23rd week of 2017 patent applcation highlights part 32 |
Patent application number | Title | Published |
20170159366 | TUNGSTEN CARBIDE INSERT BIT WITH MILLED STEEL TEETH - An earth boring bit has rotary cutters with embedded tungsten carbide inserts and milled steel teeth. The teeth and the grooves are first milled into the cutters, with the grooves extending between bases of the teeth, parallel to the crests of the teeth. Hard facing is applied to surfaces of the teeth and the grooves, and then the cutters are heat treated. Insert sockets are drilled into the teeth, centrally disposed in crests of the teeth. The tungsten carbide inserts are secured in the insert sockets, aligned for forming cutting profiles with respective ones of the milled teeth. The cutters are preferably frustoconically shaped and used for a rotary cone rock bit, and the tungsten carbide inserts configured as chisel-shaped inserts having crests which are aligned parallel to the crests of the milled steel teeth. | 2017-06-08 |
20170159367 | Methods Of Removing Shoulder Powder From Fixed Cutter Bits - Tools, for example, fixed cutter drill bits, may be manufactured to include hard composite portions having reinforcing particles dispersed in a continuous binder phase and auxiliary portions that are more machinable than the hard composite portions. For example, a tool may include a hard composite portion having a machinability rating 0.2 or less; and an auxiliary portion having a machinability rating of 0.6 or greater in contact with the hard composite portion. The boundary or interface between the hard composite portion and the auxiliary portion may be designed so that upon removal of the most or all of the auxiliary portion the resultant tool has a desired geometry without having to machine the hard composite portion. | 2017-06-08 |
20170159368 | Rotational Drill Bits and Drilling Apparatuses Including the Same - A roof-bolt drill bit includes a bit body that is rotatable about a central axis, a coupling pocket defined in the bit body, and at least one cutting element mounted to the bit body. The at least one cutting element includes a cutting face, a cutting edge adjacent the cutting face, a back surface opposite the cutting face, and a side surface extending between the cutting edge and the back surface. The roof-bolt drill bit additionally includes a coupling attachment coupled to the bit body, the coupling attachment being positioned adjacent to a portion of the side surface of the cutting element that abuts a side surface of the coupling pocket. | 2017-06-08 |
20170159369 | EARTH-BORING TOOLS INCLUDING SELECTIVELY ACTUATABLE CUTTING ELEMENTS AND RELATED METHODS - Method of operating earth-boring tools may involve activating a selectively activatable hydraulic fracturing device secured to the earth-boring tool to impact an underlying earth formation with a fluid from the selectively activatable hydraulic fracturing device. A crack may be at least one of initiated or propagated in a portion of the underlying earth formation utilizing the fluid in response to activation of the selectively activatable hydraulic fracturing device. The selectively activatable hydraulic fracturing device may be subsequently deactivated. Earth-boring tools may include a selectively activatable hydraulic fracturing configured to transition between an activated state in which fluid is permitted to flow through the selectively activatable hydraulic fracturing device to engage with an underlying earth formation and a deactivated state in which fluid does not flow through the selectively activatable hydraulic fracturing device. The selectively activatable hydraulic fracturing device may be configured to at least one of initiate or propagate cracks. | 2017-06-08 |
20170159370 | EARTH-BORING TOOLS INCLUDING SELECTIVELY ACTUATABLE CUTTING ELEMENTS AND RELATED METHODS - Methods of operating earth-boring tools may involve extending a selectively actuatable cutting element outward from a face of the earth-boring tool. A portion of an underlying earth formation may be crushed by a crushing cutting action utilizing the selectively actuatable cutting element in response to extension of the cutting element. The selectively actuatable cutting element may subsequently be retracted. Earth-boring tools may include a selectively actuatable cutting element mounted to a blade, the selectively actuatable cutting element configured to move between a retracted state in which the selectively actuatable cutting element does not engage with an underlying earth formation and an extended state in which the selectively actuatable cutting element engages with the underlying earth formation. The selectively actuatable cutting element may be configured to perform a gouging or crushing cutting action at least upon initial positioning into the extended state. | 2017-06-08 |
20170159371 | ESTIMATING CASING WEAR DUE TO DRILL STRING RECIPROCATION - Estimating casing wear during a reciprocation portion of a drilling operation may take into account the forces that cause casing wear during the up and down strokes independently. For example, during a drilling operation, a method may include reciprocating the drill string through the wellbore for a plurality of up strokes and a plurality of down strokes according to reciprocation parameters; calculating an up stroke normal force and a down stroke normal force for the casing or a section thereof; calculating up and down stroke casing wears based on the up and down stroke normal forces, respectively, using a reciprocation casing wear model; calculating a reciprocation casing wear based on the up and down stroke casing wears; and calculating a total casing wear for the casing or the section thereof based on the reciprocation casing wear using a total casing wear model. | 2017-06-08 |
20170159372 | RIG POSITIONING SYSTEM - A rig positioning system includes a first position system having a first component that is coupled to a movable drilling rig so as to be movable therewith. The first position system detects a position of the movable drilling rig on a pad with respect to a well. The first position system has a first accuracy. A second position system has a first component coupled to the movable drilling rig so as to be movable therewith, and a second component. The movable drilling rig is movable with respect to the second component. The second position system determines the position of the movable drilling rig with respect to the well. The second position system has a second accuracy that is finer than the first accuracy. | 2017-06-08 |
20170159373 | Bend Stiffener - A bend stiffener for resisting excessive-bending of an elongate underwater member in a region where it meets a rigid structure, comprises: a sleeve ( | 2017-06-08 |
20170159374 | UNDERGROUND WATER PUMPING PIPE ASSEMBLY FOR UNDERGROUND WATER MOTOR PUMP - There is provided an underground water pumping pipe assembly, comprising: a first pipe coupled to an underground water motor pump; second to n-th pipes wherein the second pipe is coupled to the first pipe; a packing configured to wrap the first pipe; clamping bands, each band coupled to each first securing portion to fix the packing to the first pipe; and first coupling members to receive therein the first pipe and be coupled to the top and bottom of the packing respectively, wherein each first coupling member has a first member body and first and second guides formed on the body to be vertically arranged to be alternated with each other to define spaces therebetween, wherein an electrical wire and a wire rope for the motor pump extend through the spaces respectively. | 2017-06-08 |
20170159375 | ENHANCED SLICKLINE - In accordance with embodiments of the present disclosure, a slickline for use in well drilling and hydrocarbon recovery operations includes a cable and an intermediate layer disposed around the cable. The slickline also includes a doped polymeric coating layered around the intermediate layer. The doped polymeric coating is a different material from the intermediate layer, and the doped polymeric coating includes a polymeric material doped with an element that is detectable within the doped polymeric coating via a detection machine for purposes of determining wear or other aspects about the conditions of the slickline. | 2017-06-08 |
20170159376 | BLAST RESISTANT MATERIAL - A system includes an enclosure defining an inner volume comprising a blast-resistant material having a metallic layer, wherein the metallic layer has substantially zero elongation, and a polymer layer coupled to the metallic layer and a pressure containing component disposed within the inner volume of the enclosure. | 2017-06-08 |
20170159377 | Method and apparatus for elevating the tapered stress joint or flex joint of an SCR above the water - A removable riser hang-off connector is equipped with a flexible element that, in one embodiment, comprises rubber-encapsulated steel plates. The connector is designed for attachment to a hang-off collar provided on a steel catenary riser below the tapered stress joint or flex joint. Connection of the removable riser hang-off connector may be made by an ROV. With the removable riser hang-off connector attached, the tapered stress joint and/or flex joint may be raised out of the water (for inspection, maintenance, repair or replacement) by lifting the upper end of the SCR out of its porch receptacle with a chain jack (or other lifting device) and inserting the removable riser hang-off connector into the porch receptacle. This temporarily supports the SCR in an elevated state with the tapered stress joint and/or flex joint above the surface of the water. | 2017-06-08 |
20170159378 | MOVEABLE HOISTING SYSTEM - A hoisting system is disclosed including a moveable sheave coupled to a well support structure, the moveable sheave slideable along the well support structure and relative to a fixed sheave to laterally move a hoisting line relative to a well center. The hoisting system may include a second moveable sheave such that a second hoisting line may be laterally moved to various locations including a second well center or the same well center as the first hoisting line. | 2017-06-08 |
20170159379 | Pipe Storage Box - A pipe handling device and method for use with a horizontal directional drilling system. The pipe handling device stores sections of drill pipe in individual columns within a magazine. The magazine is constructed so that it can be mounted to a boring machine in a pin-up or pin-down orientation. A plurality of signal elements are attached to the magazine and each extend at least partially within a footprint of each column. The signal elements may move from a first position, indicating the column is full of pipe sections, to a second position, indicating the column is not full of pipe sections. A proximity sensor assembly detects movement of the individual signal elements and signals a processor accordingly. These signals indicate whether or not a given column is full of pipe sections. | 2017-06-08 |
20170159380 | AN ELEVATOR DEVICE FOR DRILLING SYSTEMS - An elevator device for drilling systems consisting substantially of a lifting device ( | 2017-06-08 |
20170159381 | PROXIMITY DETECTION BETWEEN TUBULARS FOR BLIND STABBING - System, method, and apparatus for connecting tubulars, of which the method includes determining an elevation of a drilling device above a rig floor, lowering a first tubular connected to the drilling device toward a second tubular by lowering the drilling device, determining that the first tubular is in proximity to the drill string based at least in part on an elevation of the drilling device, determining that the first tubular is in proximity to the second tubular based at least in part on a magnetic flux or an electrical current applied to the tubular, the second tubular, or both, and connecting the first and second tubulars together. | 2017-06-08 |
20170159382 | CARRIER BLOCK AND GRIPPER BLOCK FOR COILED TUBING ASSEMBLY - A combination of a carrier block and gripper block is disclosed. The gripper block includes a first side and a second side spaced apart from the first side, and an upper surface spanning the distance between the first side and the second side. The upper surface includes a gripping surface. The gripper block includes at least one recess positioned in at least one of the first side and the second side of the gripper block, the at least one recess including an engagement surface. A retention device includes a retention feature proximate the first end and extending laterally away from a longitudinal axis of the retention device. The carrier block includes at least one retention recess disposed at least partially through the carrier block, the at least one retention recess being configured to receive a second end of the retention device. | 2017-06-08 |
20170159383 | DEVICES FOR CONTINUOUS MUD-CIRCULATION DRILLING SYSTEMS - A system and method for continuous mud circulation during a drilling operation, of which the method includes delivering a first flow of drilling mud to and through a blowout preventer via a drill string and a wellbore. The method also includes delivering a second flow of drilling mud to and through the blowout preventer. The second flow is delivered to the blowout preventer through an alternative line and not via the drill string. The method also includes stopping the first flow of the drilling mud, and adding or removing a tubular to or from the drill string after the first flow of drilling mud is stopped and while continuously delivering the second flow of drilling mud. Adding or removing the tubular includes decoupling a rotating control device from the blowout preventer, detachably coupling the rotating control device with a drag device, and raising or lowering the rotating control device with the drag device coupled therewith. | 2017-06-08 |
20170159384 | Deviated/Horizontal Well Propulsion For Downhole Devices - The disclosure includes a method of placing a wireline device in a deviated well having a hydrostatic column, the method comprising placing a positioning device in a wellbore of the deviated well, electrically powering the positioning device, moving the wireline device across a deviated region of the wellbore using the positioning device, wherein moving includes creating a driving force using the positioning device, and wherein the driving force is at least one of: a mechanical driving force and a fluid pressure driving force. | 2017-06-08 |
20170159385 | DOWNHOLE WIRELINE MACHINING TOOL STRING - The present invention relates to a downhole wireline machining tool string for increasing an inner diameter of a well tubular metal structure in a well. The downhole wireline machining tool string has a longitudinal axis and comprises a rotatable tool part comprising a machining tool having a first end part, a second end part, a diameter and a circumference, and a stationary tool part comprising a driving unit configured to rotate the rotatable tool part and powered through the wireline. The machining tool comprises a body having an outer face, and the machining tool further comprising a plurality of inserts, each insert having a length along the longitudinal axis, and the inserts projecting from the outer face of the body and being distributed around the circumference. Furthermore, the present invention relates to a machining tool for increasing an inner diameter of a well tubular metal structure in a well or cutting out a piece, e.g. in a downhole valve. | 2017-06-08 |
20170159386 | Explosive Tubular Cutter And Devices Usable Therewith - Explosive cutter assemblies and methods include a liner having a single unitary body, and an explosive charge disposed within the liner. The explosive charge includes a continuous unitary body of explosive material having a first area disposed in association with an inner surface of the liner and a second area extending from the center of the assembly to the first area. A detonator can be used to ignite the second area of explosive material, causing propagation of a detonation to the first area, which in turn causes deformation of the liner and projection of the liner toward a target to form a cut. An adaptor sub having a detonator within can be inserted into the cutter assembly to secure the assembly together, position the detonator in association with the explosive material, and engage a conduit usable to raise and lower the cutter assembly and transmit a detonation signal. | 2017-06-08 |
20170159387 | AXIAL VIBRATION TOOL FOR A DOWNHOLE TUBING STRING - There is provided an axial vibration tool with a flow control element, a rotary motor that provides an actuation force to the flow control element, a first flow path with at least a portion in fluid communication with the rotary motor and providing fluid to drive the rotary motor. A shock tool is carried by the outer housing and generates an oscillating force based on fluid pressure applied to an activation element. A high pressure flow path is between a source of high pressure fluid and the activation element, and a low pressure flow path is between a source of low pressure fluid and the activation element. The low pressure fluid source has a lower pressure than the high pressure fluid source. The flow control element controls flow through at least the high pressure path by applying pressure fluctuations to the activation element when actuated by the rotary motor. | 2017-06-08 |
20170159388 | Method And Apparatus For Retrieving A Tubing From A Well - This invention relates to an interface tool and apparatus for retrieving a tubing from a well at least partly filled with a liquid, the tubing having first and second end portions. The apparatus includes means for engaging tubing; means for sealing first end portion of the bore of tubing; means for injecting a low density fluid into tubing in or at an elevation below, sealing means; connecting means to a surface of the well. Apparatus includes first and second tool string sections, and interface tool configured for connecting first tool string section and second tool string section. First tool string section provided with engagement means, sealing means, injection means and connection means. The second downhole equipment provided with a sealing means for closing the second end portion of tubing, such as a mechanical plug having a check valve, and a cutting tool for cutting tubing underneath sealing means. | 2017-06-08 |
20170159389 | MECHANICALLY EXTENDABLE DRILLING STAND AND METHOD OF USE - A mechanically extendable drilling stand configured to be installed on an in-ground drilling casing in conjunction with typical elements of the drilling stack and then extended using a height adjustment assembly to mate with a rotating head or flow nipple line at the drilling sub floor. The mechanically extendable drilling stand having an upper cylindrical conductor section configured to telescopically engage with a lower cylindrical conductor section and a sealing assembly formed between the conductor sections. | 2017-06-08 |
20170159390 | HIGH PRESSURE SEALS FOR WELLHEAD PRESSURE CONTROL FITTINGS - High pressure seals for pressure control fittings are disclosed, where such pressure control fittings are located at a wellhead, for example. Embodiments of cam lock seals, a spring-driven ball race seal and wedge seals are disclosed. | 2017-06-08 |
20170159391 | VARIABLE RAM PACKER FOR BLOWOUT PREVENTER - A variable ram packer includes a body including two contact regions. The first contact region includes a region of the body of the packer that includes a first material and a second material, layered on top of one another. The first material has an elastic modulus less than that of the second material. The second contact region includes the second material and a third material, layered on top of one another. The third material has an elastic modulus greater than that of the second material, but less than that of the first material. | 2017-06-08 |
20170159392 | INFLATABLE VARIABLE BORE RAM - A variable ram packer includes a body with a bore contact region, at least one fluidic flexible matrix component (FFMC) tube, an inflation mechanism, and a fluid port. The FFMC tube is positioned inside the body next to the bore contact region. The fluid port is fluidly coupled with a connecting line, which is fluidly coupled with the inflation mechanism. The FFMC tube inflates in response to an increase in pressure from the inflation mechanism, which translates the bore contact region inward. | 2017-06-08 |
20170159393 | PIPE RAM ASSEMBLY FOR MANY ACTUATION CYCLES - A blowout preventer and a method for drilling, of which the blowout preventer includes a body defining a ram recess and an annular recess, the ram recess and the annular recess being separated apart. The blowout preventer also includes a ram positioned at least partially in the ram recess and movable with respect to the body, the ram having a distal end configured to engage a tubular and a proximal end positioned within the first recess. The blowout preventer further includes an actuation assembly including an actuation chamber, the annular recess being positioned between the actuation chamber and the ram recess. The blowout preventer also includes a buffer supply system configured to circulate a fluid through the annular recess, to prevent leakage of fluid from the ram recess into the actuation chamber. | 2017-06-08 |
20170159394 | Proportional Electrohydraulic Servo Valve Closed Loop Feedback Control of Pressure Reducing and Relieving Hydraulic Circuit - Systems, devices and methods for regulating pressure in a blowout preventer (BOP) of a subsea well assembly. A closed loop regulator (CLR) that combines the functions of a pressure relieving valve and a pressure reducing valve into one body to control the pressure of a hydraulic circuit or a BOP mux control pod. A closed loop servo valve controlled proportional electrohydraulic reducing valve is used to allow continual variation of the pressure set point for the downstream circuit. If the downstream pressure exceeds the set point by a predetermined amount, the pressure relieving valve vents the pressure to the reservoir or atmosphere. | 2017-06-08 |
20170159395 | PRESSURIZING ROTATING CONTROL DEVICES - A rotating control device (RCD), for use in drilling a wellbore, includes an RCD body, a sealing element, and a bearing assembly disposed within the RCD body and supporting an inner mandrel to rotate relative to the RCD body. The sealing element is carried by the inner mandrel, and the bearing assembly includes a bearing sealed in an internal bearing fluid chamber. The internal bearing fluid chamber includes a bearing fluid maintained at a pressure greater than a pressure of wellbore fluid in an interior of the RCD body by a pressure compensating piston between the bearing fluid contacting a first end of the piston and the wellbore fluid contacting a second, opposite end of the piston. | 2017-06-08 |
20170159396 | THROUGH-TUBING DEPLOYED ANNULAR ISOLATION DEVICE AND METHOD - A through-tubing annular isolation device includes a plurality of building elements tethered sequentially together such that a tubular form is achieved at a second energy condition and a dimensionally smaller form is achieved at a first energy condition. A method for isolating an annular space through-tubing. | 2017-06-08 |
20170159397 | DOWNHOLE DEVICES FOR PROVIDING SEALING COMPONENTS WITHIN A WELLBORE, WELLS THAT INCLUDE SUCH DOWNHOLE DEVICES, AND METHODS OF UTILIZING THE SAME - Downhole devices, wells that include the downhole devices, and methods of utilizing the same are disclosed herein. The downhole devices include a core; a sealing component holder positioned within the core including an opening to an external surface of the core; a plurality of sealing components positioned within the sealing component holder; a metering device; and a cover positioned over the opening. The metering device is constructed and arranged to displace an internal volume of the sealing component holder and discharge through the opening a portion of the plurality of sealing components contained within the sealing component holder. The cover is constructed and arranged to allow the portion of the sealing components to exit the opening upon displacement of the internal volume of the sealing component holder. | 2017-06-08 |
20170159398 | APPARATUSES AND METHODS FOR ENABLING MULTISTAGE HYDRAULIC FRACTURING - There is provided a plurality of injection stations, wherein each one of the injection stations, independently, comprising: a housing; a port extending through the housing; a flow control member configured for displacement for effecting at least opening of the port such that, when the injection station is integrated within a wellbore string that is disposed within a wellbore of a subterranean formation, and treatment fluid is being supplied through a wellbore string passage of the wellbore string, injection of the supplied treatment fluid into the subterranean formation is effected through the port; and a deployable seat, mounted to the housing, and including an aperture, and configured such that, when the seat is deployed in a deployed position, the seat is configured for receiving a respective plug for seating of the respective plug over the aperture of the seat; such that a plurality of plugs are respective to the injection stations, wherein each one of the plugs is respective to a deployable seat of a one of the injection stations, such that each one of the plugs is respective to a one of the injection stations. | 2017-06-08 |
20170159399 | LOCK RING AND PACKOFF FOR WELLHEAD - A packoff and a locking assembly installed in a bore of a wellhead component are provided. In one embodiment, a packoff includes inner and outer annular seals and an energizing ring shaped to be wedged between the inner and outer annular seals so as to apply a radially inward biasing force on the inner annular seal and a radially outward biasing force on the outer annular seal. In another embodiment, a locking assembly includes a lock ring that extends into a recess in a wall of the bore of the wellhead component and an actuator radially disposed between an inner component within the bore and the lock ring to retain the lock ring within the recess. The actuator can have an interference fit with the inner component to inhibit movement of the actuator between the lock ring and the inner component. Additional systems, devices, and methods are also disclosed. | 2017-06-08 |
20170159400 | Systems and Methods for an Expandable Packer - The present disclosure relates to a downhole packer assembly that includes an outer skin, an inner packer disposed within the outer skin such that inflation of the inner packer is configured to expand the outer skin, a pair of mechanical fittings engaged with axial ends of the outer skin, and a ring assembly disposed within at least one of the pair of mechanical fittings. The ring assembly includes a shear pin configured to shear upon application of a tensile force to the downhole packer assembly. | 2017-06-08 |
20170159401 | EXPANDABLE TUBULAR ELEMENT BEARING ONE OR MORE SWELLING SEALS - A radially expandable metallic tubular element has at least one annular sealing module on its external face. The sealing module includes at least one annular seal made out of a swelling material, called a swelling seal, disposed between two annular stops attached to the external face of the tubular element. | 2017-06-08 |
20170159402 | METHOD OF ENHANCING CIRCULATION DURING DRILL-OUT OF A WELLBORE BARRIER USING DISSOVABLE SOLID PARTICULATES - A fluid-impermeable barrier, used to isolate stimulated intervals in a reservoir during a multi-zone fracturing operation, may be removed from the wellbore which penetrates the reservoir using a circulating fluid containing dissolvable solid particulates. The dissolvable solid particulates bridge perforation clusters during clean-out of the wellbore and thus inhibit passage of the circulating fluid into the fracture network through the perforation clusters. | 2017-06-08 |
20170159403 | Sealing Devices, Wellbore Tubulars Including The Sealing Devices, And Hydrocarbon Wells Including The Wellbore Tubulars - Sealing devices, wellbore tubulars including the sealing devices, and hydrocarbon wells including the wellbore tubulars are disclosed herein. The sealing devices include a sealing device body that is sized and shaped to operatively engage with an aperture in the wellbore tubular and to form an at least partial fluid seal with the aperture. The sealing device body has a hardness of 55-80 durometer, a tensile strength of 14-24 megapascals (MPa), a percent elongation of 250-500 percent, a 100% tensile stress of 1.4-5.2 MPa, and/or a die C tear resistance of 26-44 kilonewtons/meter (kN/m). The wellbore tubulars include an elongate tubular body, an aperture extending through the elongate tubular body, and a sealing device operatively engaged with the aperture. The hydrocarbon wells include a wellbore and the wellbore tubular extending within the wellbore. | 2017-06-08 |
20170159404 | Hydraulic Fracturing with Strong, Lightweight, Low Profile Diverters - Low profile diverters for, and the use of such diverters in, fracing operations to stimulate production of oil and gas are capable of seating against and temporarily sealing perforations, even when frac fluid is being pumped at high rates and pressures, or in horizontal or highly deviated well bores, where conventional ball sealers cannot be reliably used because of high flow rates and pressures. | 2017-06-08 |
20170159405 | A DOWNHOLE WELL SYSTEM - The present invention relates to a downhole well system for producing hydrocarbon-containing fluid from a reservoir downhole, comprising a well tubular structure having an inside, a first and a second annular barrier for isolating an annulus outside the well tubular structure, each annular barrier comprising a tubular part adapted to be mounted as part of the well tubular structure, the tubular part having an outer face, an expandable metal sleeve surrounding the tubular part and having an inner sleeve face facing the tubular part and an outer sleeve face facing a wall of a borehole, each end of the expandable sleeve being connected with the tubular part, and an annular space between the inner sleeve face of the expandable sleeve and the tubular part, the first and second annular barriers being adapted to isolate a production zone when expanded, and an inflow valve assembly arranged between the first and the second annular barriers opposite the production zone for providing fluid communication between the production zone and the inside of the well tubular structure through a passage in the inflow valve assembly by adjusting a closing member in relation to the passage, wherein the inflow valve assembly comprises a sensor unit comprising a sensor adapted to measure at least one property of the fluid, a power supply for powering at least the sensor, and a control unit for activating the adjustment of the closing member based upon the measurement of the sensor. Furthermore, the present invention relates to an inflow regulation method for adjusting the inflow of fluid in the downhole well system according to the invention. | 2017-06-08 |
20170159406 | DOWNHOLE TREATMENT TOOL AND METHOD - A downhole treatment tool including a housing having one or more openings and one or more ports. A sleeve disposed in movable relationship to the housing. The sleeve having one or more apertures that upon movement of the sleeve are selectively positionable among positions of unaligned, aligned with the one or more openings or aligned with the one or more ports. A method for treating a downhole location. | 2017-06-08 |
20170159407 | Selective Stimulation Ports Including Sealing Device Retainers And Methods Of Utilizing The Same - Selective stimulation ports including sealing device retainers and methods of utilizing the same are disclosed herein. The selective stimulation ports (SSPs) are configured to be operatively attached to a wellbore tubular that defines a tubular conduit. The SSPs include an SSP conduit, which extends at least substantially perpendicular to a wall of the wellbore tubular, and a sealing device receptacle, which defines at least a portion of the SSP conduit and is sized to receive a sealing device. The SSPs also include a sealing device seat, which is shaped to form a fluid seal with the sealing device. The SSPs further include a sealing device retainer, which is configured to retain the sealing device within the sealing device receptacle. The methods include methods of stimulating the hydrocarbon well utilizing the SSPs and/or methods of conveying a downhole tool within the hydrocarbon well utilizing the SSPs. | 2017-06-08 |
20170159408 | Compression Activated Bypass Valve - A main body housing includes a main body port. An O-ring sleeve is contained in the housing. The O-ring sleeve includes an O-ring sleeve port and O-rings mounted on either side of the O-ring sleeve port. The O-ring sleeve is not rotatable with respect to the main body housing and is translatable with respect to the main body housing between an open O-ring sleeve position and a closed O-ring sleeve position. The O-ring sleeve port aligns with the main body port when the O-ring sleeve is in the open O-ring sleeve position and the O-ring sleeve port is sealed from the main body port by the O-rings when the O-ring sleeve is in the closed O-ring sleeve position. | 2017-06-08 |
20170159409 | Well Cleaning System - A well cleaning system includes a well bore that has a vertical section and a horizontal section. A workover rig is positioned over the well bore and the workover rig includes a plurality of flexible tubes. The flexible tubes are coupled together to form a line. The line is coupled to the workover rig such that the workover rig urges the line into the horizontal section of the well bore. A perforated pipe is fluidly coupled between a selected pair of the flexible tubes. Thus, the perforated pipe may equalize a pressure between the horizontal section and the workover rig thereby facilitating debris to enter the line when the line is urged into the well bore. A cleanout unit is coupled to the line. The cleanout unit agitates the debris in the horizontal section thereby facilitating the debris to enter the flexible pipes when the line is urged into the well bore. | 2017-06-08 |
20170159410 | A SHARED ACTUATION SYSTEM - The present invention refers to a shared actuation system to place tools on any subsea valve interface on an oil production station located in a subsea structure, such as a manifold. The system comprises a connection device for connection to the subsea structure, attached to the connection device at least one structural element, all connected to each other through rotary joints, providing at least two degrees of freedom for a distal end of the structure elements where an actuation tool is positioned, for interaction with the valve interfaces on the subsea structure, where the structural elements further is connected to a sail element. | 2017-06-08 |
20170159411 | SYSTEM FOR SUBSEA PUMPING OR COMPRESSING - System for subsea pumping or compressing, comprising: an ESP (electrical submersible pump), a flowline jumper, a connector part in either end of the flowline jumper, and an arrangement for lifting, the ESP has been arranged in the flowline jumper which has been orientated in substance horizontal, distinctive in that the system further comprises: a stiffening arrangement, ensuring a straight ESP shaft at ail times during lifting, installation and operation, and a load limiting arrangement for limiting or eliminating the load on structure and seabed supporting the system. | 2017-06-08 |
20170159412 | RECYCLE LOOP FOR A GAS LIFT PLUNGER - A system and a method for operating a gas lift plunger in a well, of which the method includes determining that the plunger is at a predetermined position in the well. Gas from a compressor is introduced into a pressure vessel in response to determining that the plunger is at the predetermined position in the well. The gas is then introduced from the compressor into the well a predetermined amount of time after the plunger is determined to be at the predetermined position in the well. | 2017-06-08 |
20170159413 | PROGRESSIVE CAVITY PUMP HOLDBACK APPARATUS AND SYSTEM - A progressive cavity pump system on a well includes a holdback apparatus. The holdback apparatus has a housing and a one-way bearing in the housing. The housing attaches to the drive head on the well. The one-way bearing allows the motor to drive the pump. The one-way bearing prevents reverse rotation, preventing the sucker rod from unwinding and fluid above the pump from draining, when the pump loses power. | 2017-06-08 |
20170159414 | SEAL ASSEMBLY FOR A SUBMERSIBLE PUMPING SYSTEM AND AN ASSOCIATED METHOD THEREOF - A seal assembly for a submersible pumping system is presented. The seal assembly includes a support tube configured to surround a shaft. Further, the seal assembly includes a first bag positioned surrounding the support tube to define a first chamber between the first bag and the support tube, wherein the first chamber is configured to contain a motor fluid. Also, the seal assembly includes a second bag positioned surrounding the first bag to define a second chamber between the first bag and the second bag. In addition, the seal assembly includes an impermeable device disposed in the second chamber and configured to isolate the motor fluid from a wellbore fluid. | 2017-06-08 |
20170159415 | Downhole Hydraulic Motor - This relates to an improved downhole hydraulic motor powered by a surface pump unit. The improved submersible hydraulic motor can comprise an engine. The hydraulically driven engine can be operable in a downhole environment. The engine can comprise an inlet port and an outlet port. The inlet port can be operable to receive a fluid from a surface pump unit, while the outlet port can be operable to emit said fluid from said engine. | 2017-06-08 |
20170159416 | METHOD FOR OPTIMIZATION OF HUFF-N-PUFF GAS INJECTION IN SHALE RESERVOIRS - Methods for optimization of liquid oil production by huff-n-puff in shale reservoirs to achieve an improved (and optimal) oil recovery factor. The process determines and utilizes the optimum huff and puff times, number of cycles and soaking time under practical operation and reservoir conditions. The huff time in the process is a period so long that the pressure near the wellbore reaches the set maximum injection pressure during the huff period. The puff time in the process is the time required for the pressure near the wellbore to reach the set minimum production pressure during the puff period. Soaking is typically not necessary during the huff-n-puff gas injection in shale oil reservoirs. The number of huff-n-puff cycles is determinable by the time in which the economic rate cut-off is reached. | 2017-06-08 |
20170159417 | INTELLIGENT WATER FLOOD REGULATION - A technique facilitates remote monitoring and control of water flood regulator assemblies from a surface location, or other remote location, and for at least one zone in a well. For each zone, a regulator assembly comprising a regulator is deployed and is adjustable to enable regulation of a flow of water into a corresponding water flood injection zone. A control system is operatively coupled with the assembly to enable selective adjustment of the assembly for regulation of the water flow rate without employing intervention operations. In some applications, the surface controlled intelligent water flood regulator provides real time injection point flow information and enables real time adjustment. | 2017-06-08 |
20170159418 | Wellbore Tubulars Including A Plurality Of Selective Stimulation Ports And Methods Of Utilizing the Same - Wellbore tubulars including a plurality of selective stimulation ports and methods of utilizing the same are disclosed herein. The wellbore tubulars include a tubular body including an external surface and an internal surface that defines a tubular conduit. The wellbore tubulars also include a plurality of selective stimulation ports, and each selective stimulation port includes an SSP conduit and an isolation device that is configured to selectively transition from a closed state to an open state responsive to a shockwave having greater than a threshold shockwave intensity. The methods include methods of stimulating a subterranean formation utilizing the wellbore tubulars. The methods also include methods of re-stimulating the subterranean formation utilizing the wellbore tubulars. | 2017-06-08 |
20170159419 | Selective Stimulation Ports, Wellbore Tubulars That Include Selective Stimulation Ports, And Methods Of Operating The Same - Selective stimulation ports (SSPs), wellbore tubulars that include the SSPs, and methods of operating the same are disclosed herein. The SSPs are configured to be operatively attached to a wellbore tubular and include an SSP body, an isolation device extending within an SSP conduit of the SSP body, a retention device coupling the isolation device to the SSP body, and a sealing device seat. The isolation device is configured to selectively transition from a closed state to an open state responsive to a shockwave, which has greater than a threshold shockwave intensity, within a wellbore fluid that extends within a tubular conduit of the wellbore tubular. The methods include generating the shockwave within the wellbore fluid such that the shockwave has greater than the threshold shockwave intensity. The methods further include transitioning the isolation device from the closed state to the open state responsive to receipt of the shockwave. | 2017-06-08 |
20170159420 | Select-Fire, Downhole Shockwave Generation Devices, Hydrocarbon Wells that Include The Shockwave Generation Devices, And Methods Of Utilizing The Same - Select-fire, downhole shockwave generation devices, hydrocarbon wells that include the shockwave generation devices, and methods of utilizing the same are disclosed herein. The shockwave generation devices are configured to generate a shockwave within a wellbore fluid that extends within a tubular conduit of a wellbore tubular. The shockwave generation devices include a core, a plurality of explosive charges arranged on an external surface of the core, and a plurality of triggering devices. Each of the plurality of triggering devices is associated with a selected one of the plurality of explosive charges and is configured to selectively initiate explosion of the selected one of the plurality of explosive charges. The methods include methods of generating a shockwave utilizing the downhole shockwave generation devices. | 2017-06-08 |
20170159421 | Wellhead platform systems for use in extracting and testing multi-phase raw mixtures - Example embodiments include systems for use in a wellhead platform. The system may comprise a separator subsystem, a scrubber subsystem, a first stage compressor subsystem, and a second stage compressor subsystem. The separator subsystem may comprise a separator inlet section for receiving multi-phase raw mixtures, a separator container body for housing the received multi-phase raw mixture, and a separator gas outlet section for separating gas. The scrubber subsystem may comprise a scrubber inlet section connected to the separator gas outlet section, a scrubber container body, and a scrubber gas outlet section for separating gas. The first stage compressor subsystem may be operable to receive gas separated from the scrubber subsystem, compress the received gas, and output the compressed gas. The second stage compressor subsystem may be operable to receive compressed gas from the first stage compressor subsystem, further compress the received compressed gas, and output the further compressed gas. | 2017-06-08 |
20170159422 | Hydrocarbon Well Performance Monitoring System - A system and method for real-time data acquisition and presentation of force, position, load, pressures, and movement within a subterranean well pumping system, such as an oil well. Data is gathered using sensors attached to a surface level pump drive and wellhead system. Well structural data and well production data are combined therewith to generate a real-time display of down-hole well operation, including animated graphics of the pump operation, including pump movement, rod and tubing stretch, fluid movement, gas compression, system forces, and fluid pressures. Liquid levels are tested using an acoustic liquid level instrument, and incorporated to improve well performance analysis. | 2017-06-08 |
20170159423 | DEPTH POSITIONING USING GAMMA-RAY CORRELATION AND DOWNHOLE PARAMETER DIFFERENTIAL - Methods, systems, and apparatuses for determining the location or depth in a wellbore of a tubular string ( | 2017-06-08 |
20170159424 | METHOD AND SYSTEM DELIVERING A TRACER TO A FLOW - A tracer plug including a body configured to reside in a complementary opening in a separate structure. The body includes a tracer; a through-flow passage in the body; and wherein the tracer is disposed in fluid communication with the opening. A method for identifying fluid. | 2017-06-08 |
20170159425 | COMMUNICATION USING ELECTRICAL SIGNALS TRANSMITTED THROUGH EARTH FORMATIONS BETWEEN BOREHOLES - An embodiment of a system for communication with a downhole component includes a downhole component configured to be disposed in a first borehole in an earth formation, the first borehole including a first electrically conductive component, and a power source electrically connected via a conductor to the first conductive component and to a second electrically conductive component disposed in a second borehole, the power source configured to induce a voltage difference between the first conductive component and the second conductive component, the voltage difference causing electrical signals to propagate along an electric circuit that includes the first conductive component, the second conductive component and a region of an earth formation between the first borehole and the second borehole. The system a processor configured to control the power source and the voltage difference to transmit an electrical signal between the downhole component and a communication device via the electric circuit. | 2017-06-08 |
20170159426 | INTEGRATED DOWNHOLE SYSTEM WITH PLURAL TELEMETRY SUBSYSTEMS - A downhole system has a plurality of telemetry systems and a control system configured to obtain information from one or more sensors and transmit that information on one or more of the plurality of telemetry systems. The configuration of a controller may be changed so as to change which information is transmitted on a given telemetry system and how the information is to be transmitted on the given telemetry system. | 2017-06-08 |
20170159427 | METHOD AND SYSTEM FOR TRANSMITTING A DATA FRAME OF AN ELECTROMAGNETIC TELEMETRY SIGNAL TO OR FROM A DOWNHOLE LOCATION - Methods, techniques, and systems for transmitting a data frame of an electromagnetic (EM) telemetry signal to or from a downhole location can be performed using multi-channel transmissions in which at least two different channels at two different frequencies are used to send a long header and the data frame. At least a portion of the long header is transmitted at a first frequency, and at least a portion of the data frame and any remaining portion of the long header not transmitted at the first frequency are transmitted at one or more additional frequencies different from each other and the first frequency. In one example, only two channels are used: one channel is used to transmit all of the long header, another channel is used to transmit all of the data frame, and either of the channels is used to transmit an identifier identifying the type of the data frame. | 2017-06-08 |
20170159428 | ACOUSTIC ANISOTROPY USING STATISTICAL ANALYSIS - Acoustic anisotropy of downhole formations is determined using statistical analysis. During operation of a downhole system, acoustic slowness measurements are acquired around a borehole extending along a formation. Statistical analysis is performed on the acquired slowness measurements, whereby the maximum and minimum slownesses of the formation are determined. | 2017-06-08 |
20170159429 | Sidewall Core Detection - A coring tool including a coring bit operable to obtain a core sample of a subterranean formation from a sidewall of a wellbore extending into the subterranean formation. The coring tool also includes a storage tube, an actuator operable to move the core from the coring bit into the storage tube, and a sensor operable to generate information related to presence of the core within the storage tube. | 2017-06-08 |
20170159430 | WELLBORE FLUID ANALYSIS - Wellbore fluid analysis is provided. In some implementation, a fluid analysis apparatus includes a transparent chip with an inlet configured to accept a sample of a wellbore fluid, and a flow channel allowing the wellbore fluid to come into contact with a reagent. The fluid analysis apparatus also includes two partially transmissible mirrors positioned on opposing sides of the flow channel forming an optical cavity. In another implementation, a downhole tool includes a fluid analysis apparatus with a partially transparent chip having a flow channel allowing a wellbore fluid to come into contact with a reagent. The fluid analysis apparatus also includes a measurement system that can be used in conjunction with broadband cavity enhanced absorption spectroscopy. | 2017-06-08 |
20170159431 | LONGWALL OPTIMINZATION CONTROL - A method of controlling a longwall mining system, the longwall mining system including a longwall shearer, a conveyor, and a plurality of roof supports, such that the method includes creating, by a controller, a load profile of the conveyor representing a distribution of mineral along a length of the conveyor, calculating, by the controller, a desired change in the load profile based on the load profile of the conveyor, and controlling, by the controller, the longwall mining system to adjust the distribution of mineral on the conveyor based on the desired change in load profile. | 2017-06-08 |
20170159432 | SMART CUTTING DRUM ASSEMBLY - A cutting tool mounting assembly adapted for attachment to a surface of a rotatable driving member of a cutting tool machine. The cutting tool mounting assembly includes: a cutting tool; a base having a bottom portion for attachment to the surface of the rotatable driving member and a front portion that defines a receptacle having an inner wall; a bushing configured for receipt in the receptacle of the base and having an aperture for receiving the cutting tool; and a sensor element for acquiring and transmitting operation data. | 2017-06-08 |
20170159433 | VENTILATED MINE ROOF SUPPORT - A longitudinally yieldable support for underground roof support includes first and second outer shell portions having a first wall thickness and a third outer shell portion having a second wall thickness that is greater than the first wall thickness. The support is filled with a solid compressible filler material. At least one air ventilation tube extends between opposite sides of the third outer shell portion to allow a flow of air through the support as the first and second outer shell portions and filler material therein yield under load. | 2017-06-08 |
20170159434 | METHOD AND ARRANGMENT FOR MOUNTING BOLTS IN A TUNNEL WALL - The present invention relates to a method, and an arrangement for mounting bolts in a material. The method comprises: storing actual data representing the actual positions of bore holes having been bored in the tunnel wall by a drill rig ( | 2017-06-08 |
20170159435 | System for Filtering the Fresh Air Flowing in a Tunnel and/or the Exhaust Gases Flowing out Therefrom - A system for the treatment of exhaust gases flowing in and/or flowing out from a tunnel (T) overlying a roadway (R) through a ventilation duct (TV). The system comprises: filtering means ( | 2017-06-08 |
20170159436 | SPRAY NOZZLE FOR UNDERGROUND ROOF SUPPORT - A fluid spray for an underground roof support includes a first housing portion, a spray outlet, a second housing portion formed integrally with the first housing portion, and a service port. The first housing portion includes an elongated shaft having a first end, a second end, and a first fluid passage extending between the first end and the second end. The spray outlet is positioned adjacent the second end of the shaft. The second housing portion is positioned adjacent the first end of the shaft. The second housing portion includes at least one port and a second fluid passage between the at least one port and the first fluid passage. The service port is aligned with the first fluid passage, and the service port is selectively opened to provide access to the first fluid passage from the first end of the first housing portion. | 2017-06-08 |
20170159437 | NON-CAKING MINE ROCK DUST FOR USE IN UNDERGROUND COAL MINES - A method for using a composition for use as rock dust in an underground mine is disclosed. The composition includes a fine, wet ground inorganic particulate material treated with at least one hydrophobic treatment, and a coarse, untreated, dry ground inorganic particulate material. Also disclosed is a composition including coal dust and mine rock dust including a fine, wet ground inorganic particulate material treated with at least one hydrophobic treatment, and a coarse, untreated, dry ground inorganic particulate material. The amount of mine rock dust may be sufficient to render the coal dust explosively inert according to at least one of a 20-L explosibility test or an ASTM E1515 explosibility test. The fine, wet ground inorganic particulate material may be calcium carbonate. The coarse, untreated inorganic particulate material may be calcium carbonate. The fatty acid may be stearic acid. | 2017-06-08 |
20170159438 | ROTARY SYNCHRONIZED COMBUSTION ENGINE - An engine system is provided, including a housing, multiple shafts in alignment and in parallel with each other, vertically penetrating through the housing, multiple wing sections integratively attached around the multiple shafts, respectively, and configured to engage with each adjacent one to drive axial rotation, and multiple ducts attached to the housing and communicating with inside of the housing, each duct being for use for passing an air-fuel mixture or outputting exhaust gases. The air-fuel mixture is collected in at least two open sections associated with the first wing section, and the collected air-fuel mixture is compressed and ignited for combustion when each of the at least two open sections has a minimum volume. Chemical energy generated by the combustion is used to drive the axial rotation of each wing section, thereby individually rotating the multiple shafts to transmit power. | 2017-06-08 |
20170159439 | ECCENTRICALLY PILOTED HYDRAULIC COMMUTATOR - A hydraulic motor includes a rotor and a stator, wherein the rotor and the stator define a plurality of motor pockets for receiving a flow of hydraulic fluid, and the rotor rotates relative to the stator based on a pressure differential between the motor pockets. A commutator having porting controls the flow of hydraulic fluid into the motor pockets. The rotor rotates about a first axis and the stator orbits about a second axis, and the stator is configured to orbit such that the second axis orbits about the first axis. The commutator is eccentrically piloted about the first axis and the second axis so that the commutator both rotates and orbits to control the flow of hydraulic fluid into the motor pockets. With such configuration, an output shaft is driven by rotation of the rotor about the first axis without orbiting, obviating the need for a drive link. | 2017-06-08 |
20170159440 | TURBOMACHINE BLADE COVER PLATE HAVING RADIAL COOLING GROOVE - A turbomachine blade may include an airfoil and a shank coupled to the airfoil. The shank may include a cover plate having a first circumferential face and a second, opposing circumferential face. A radial cooling groove is positioned in the first circumferential face and is configured to allow a cooling fluid to pass from a first radial position to a second, different radial position relative to the platform. The radial cooling groove provides cover plate and shank cooling. In addition, the radial cooling groove may deliver fluid for purging gaps between blade platforms and cover plates, which prevents the ingestion of hot gas from the turbine flowpath. | 2017-06-08 |
20170159441 | TURBINE DISC ASSEMBLIES AND METHODS OF FABRICATING THE SAME - A turbine disc assembly is provided. The turbine disc assembly includes a first rotor disc, a second rotor disc, and a spacer disc coupled between the first and second rotor discs along an axis to define a plenum. The spacer disc has an inner surface with a radius from the axis. A first cooling channel defined between the first rotor disc and the spacer disc is in flow communication with the plenum. The second rotor disc includes a deflector having a deflection surface positioned within the plenum such that the deflection surface is oriented towards the first cooling channel at an acute angle relative to the radius of the inner surface of the spacer disc. | 2017-06-08 |
20170159442 | COATED AND UNCOATED SURFACE-MODIFIED AIRFOILS FOR A GAS TURBINE ENGINE COMPONENT AND METHODS FOR CONTROLLING THE DIRECTION OF INCIDENT ENERGY REFLECTION FROM AN AIRFOIL - A surface-modified airfoil for a gas turbine engine component is provided. The surface-modified airfoil includes an airfoil having an exterior surface at a leading edge, a trailing edge, a suction side, and a pressure side. A surface feature in at least a portion of the exterior surface comprises at least one of a protrusion feature or a depression feature. The surface feature is operatively configured for one of anchoring a coating on at least the portion of the exterior surface or controlling a direction of incident energy reflected from the surface-modified airfoil. | 2017-06-08 |
20170159443 | CONTOURED SURFACE ANNULAR SECTION OF A GAS TURBINE - The invention relates to a blade or vane ring for a gas turbine having a plurality of blades or vanes that are arranged next to one another in the peripheral direction (UR), wherein blades or vanes have a flow segment extending essentially in the radial direction, these blades or vanes having a convex suction side, a concave pressure side, a leading edge and a trailing edge, wherein the suction side and the pressure side are joined together by the leading edge and the trailing edge, wherein the blades or vanes transition into an annular segment of the blade or vane ring radially inside and/or radially outside, wherein annular segment connects a first blade or vane ( | 2017-06-08 |
20170159444 | Blade channel, blade cascade and turbomachine - A blade channel of a turbomachine that is delimited in the circumferential direction of the turbomachine by a pressure side of an airfoil and by an opposite suction side of an adjacent airfoil that, in the radial direction of the turbomachine, is delimited by two opposing side walls, and whose extent in the axial direction of the turbomachine is delimited by leading edges and by trailing edges of airfoils; at least one of the side walls being provided with localized contours, of which at least two are formed as elevations and at least two as depressions; a saddle surface being formed between the contours that, in one rotation, alternately merges into an elevation and a depression; a blade cascade having such blade channels, as well as a turbomachine having such a blade cascade. | 2017-06-08 |
20170159445 | MISTUNED CONCENTRIC AIRFOIL ASSEMBLY AND METHOD OF MISTUNING SAME - An example method of reducing a vibratory response of airfoils that support a shroud includes circumferentially misaligning some of the airfoils in a radially inner array of airfoils with all airfoils of a radially outer array of airfoils, and circumferentially aligning at least one of the airfoils in the radially inner array of airfoils with all airfoils of the radially outer array of airfoils. | 2017-06-08 |
20170159446 | METHODS AND SYSTEMS FOR DETERMINING WEAR IN A TURBINE ENGINE - A turbine engine system includes a component positioned such that the component is subject to wear. The component includes an outer surface configured to be subjected to wear and a wear indication feature formed in the outer surface. The wear indication feature includes a first dimension at the outer surface and a second dimension at an inward location relative to the outer surface. The second dimension is different from the first dimension. | 2017-06-08 |
20170159447 | GAS TURBINE ENGINE COMPONENT HAVING ENGINEERED VASCULAR STRUCTURE - A component according to an exemplary aspect of the present disclosure includes, among other things, a wall and a vascular engineered lattice structure formed inside of the wall. The vascular engineered lattice structure includes a plurality of nodes, a plurality of branches that extend between the plurality of nodes, and a plurality of passages extending between the plurality of nodes and the plurality of passages. Further, at least one of the branches is non-circular in cross-section. | 2017-06-08 |
20170159448 | METHOD OF MANUFACTURE OF A TURBINE COMPONENT - A method for manufacturing a component having a defined geometry includes: a) defining a pre-component geometry including interim shape elements and additional, sacrificial elements for supporting interim elements; b) on a base plate, depositing multiple layers of a powder including a material from which the pre-component will be manufactured; c) sintering the powder to form the pre-component to the defined geometry; d) removing at least some of the sacrificial elements from the pre-component; e) subjecting the remaining pre-component from step d) to a HIP step; and f) removing remaining sacrificial elements from the pre-component product of step e) to provide a component to the defined component geometry. In the definition of the pre-component geometry, the interim elements differ from the corresponding final shape elements in the defined component geometry such that during the HIP step, the interim shape elements adjust to form final shape elements in the defined component geometry. | 2017-06-08 |
20170159449 | GAS TURBINE ENGINE WITH FILLET FILM HOLES - An airfoil for a gas turbine engine can have an exterior wall and an interior wall, with each wall having a thickness. The walls can intersect to define a corner at the intersection. A cooling passage can be defined by the walls at or near the corner to provide fluid communication between the interior and exterior of the airfoil. A film hole can be disposed in the walls and can have a length and diameter to define a ratio of length to diameter, L/D. An arcuate fillet can be located in the corner to define an effective radius for the fillet. The effective radius can be at least 1.5 times larger than the thicknesses of the walls to provide for an increased length to diameter ratio for the film hole. | 2017-06-08 |
20170159450 | FILLET OPTIMIZATION FOR TURBINE AIRFOIL - A blade for a gas turbine engine comprises an airfoil having a pressure side and a suction side, with a root and a tip wall. The pressure side and suction side extend beyond the tip wall to define a tip channel, defining a plurality of internal and external corners. The corners comprise fillets to define a thickness being greater than the thickness for the pressure, suction, or tip walls. A film hole can extend through the fillet, such that the length of the film hole at the fillet can be increased to define an increased length-to-diameter ratio for the film hole to improve film cooling through the film hole. | 2017-06-08 |
20170159451 | TURBINE ENGINE WITH AN AIRFOIL HAVING A TIP SHELF OUTLET - An airfoil for a gas turbine engine includes a pressure side and a suction side, with a root and a tip wall. The pressure side and suction side extend beyond the tip wall to define a tip channel, defining a plurality of internal and external corners. A tip shelf can be defined in the pressure or suction sidewalls. A film hole can extend to the tip shelf, such that the film hole can be shaped to direct a flow of cooling fluid to the film hole to improve film cooling at the tip shelf. | 2017-06-08 |
20170159452 | TRAILING EDGE COOLING FOR A TURBINE BLADE - A component for a gas turbine engine comprises an airfoil having an outer surface. One or more cooling passages can be disposed within the airfoil, having a cooling passage extending along a trailing edge. A plurality of cooling channels can extend from the cooling passage through the trailing edge. At least one flow element and at least one film hole can be disposed in the cooling channel or the trailing edge passage adjacent the cooling channel. The flow element and the film hole can be in a predetermined relationship with one another providing improved flow to the film hole. | 2017-06-08 |
20170159453 | TURBINE DISCS AND METHODS OF FABRICATING THE SAME - A turbine disc having a radius and a circumference is provided. The turbine disc includes a central aperture and a plurality of cooling channels circumferentially spaced about the central aperture such that the cooling channels are in flow communication with the central aperture. Each of the cooling channels has a radially inner end, a radially outer end, and a lengthwise axis that is curved between the radially inner end and the radially outer end. | 2017-06-08 |
20170159454 | GAS TURBINE ENGINE COMPONENT WITH A BAFFLE INSERT - A component of a gas turbine engine, the component having: an internal cooling cavity extending through an interior of the component; a baffle insert configured to be inserted into the internal cooling cavity; a plurality of trip strips extending upwardly from an exterior surface of the baffle insert; and at least one rib extending upwardly from the exterior surface of the baffle insert, wherein the plurality of trip strips and the at least one rib are spaced from an interior surface of the internal cooling cavity. | 2017-06-08 |
20170159455 | BAFFLE INSERT FOR A GAS TURBINE ENGINE COMPONENT - A baffle insert for a component of a gas turbine engine is provided. The baffle insert having: a plurality of trip strips extending upwardly from an exterior surface of the baffle insert; and at least one rib extending upwardly from the exterior surface of the baffle insert. | 2017-06-08 |
20170159456 | BAFFLE INSERT FOR A GAS TURBINE ENGINE COMPONENT AND COMPONENT WITH BAFFLE INSERT - A component of a gas turbine engine having: an internal cooling cavity; a baffle insert configured to be inserted into the internal cooling cavity; a plurality of trip strips extending upwardly from an exterior surface of the baffle insert; at least one separating feature located between a pair of ends of a pair of the plurality of trip strips, wherein the plurality of trip strips and the at least one separating feature are spaced from an interior surface of the internal cooling cavity; a plurality of trip strips extending upwardly from the interior surface; and at least one separating feature located between a pair of ends of the plurality of trip strips located on the interior surface of the internal cooling cavity, wherein the plurality of trip strips and the at least one separating feature of the interior surface are spaced from the exterior surface of the baffle insert. | 2017-06-08 |
20170159457 | DAMPER SEAL INSTALLATION FEATURES - Aspects of the disclosure are directed to a damper configured to be located in a cavity formed between first and second bases configured to seat respective first and second airfoils, the damper having a first face and a second face, where an aspect ratio between the first face and the second face ensures that the damper is installed in the cavity in accordance with a predetermined orientation. | 2017-06-08 |
20170159458 | METHOD FOR INSPECTING A ROTOR BLADE UNIT - A method for inspecting a rotor blade unit of a gas turbine, the rotor blade unit including a radially outwardly disposed outer shroud connected by a material-to-material bond to a radially inwardly adjoining rotor blade, the rotor blade having an airfoil including a pressure side and a suction side, as well as an axial leading edge and an axial trailing edge which interconnect the pressure side and the suction side. The method includes: providing a rotor blade unit; processing the outer shroud at its axially forward or axially aft side, the side selected to be processed being the one that has a greater distance from the adjacent axial leading edge or axial trailing edge of the rotor blade, a contact surface being formed by processing the selected side; providing the rotor blade unit having the contact surface in a measuring device, in particular a measuring device for determining the torsion or twist of the rotor blade unit about an axis. | 2017-06-08 |
20170159459 | PART COATED WITH A SURFACE COATING AND ASSOCIATED METHODS - A part made of composite material includes fiber reinforcement densified by a ceramic matrix. The part presents an outside surface and is coated over at least a portion of its outside surface by a surface coating in solid form including an alloy of silicon and nickel presenting a content by weight of silicon lying in the range 29% to 45%, or an alloy of silicon and cobalt. | 2017-06-08 |
20170159460 | ENHANCED ADHESION THERMAL BARRIER COATING - A gas turbine engine including a compressor section, a combustor section fluidly connected to the compressor section, a turbine section fluidly connected to the combustor section, and a plurality of gas path components exposed to a primary fluid flowpath through the compressor section, the combustor section and the turbine section. At least one of the gas path components includes an exterior facing surface, a lattice structure extending outward from the exterior facing surface, the lattice structure being integral to the exterior facing surface, and a thermal barrier coating adhered to at least a portion of the exterior facing surface and the lattice structure. | 2017-06-08 |
20170159461 | STACKING OF ROTOR BLADES ON CENTROIDS - A rotor blade for a gas turbine, in particular an aircraft gas turbine, having a blade root element and a stream deflection portion adjoining the blade root element ( | 2017-06-08 |
20170159462 | FAN BLADE APPARATUS - A gas turbine engine fan blade apparatus is disclosed comprising a reverse pitch rotatable mounting and an aerofoil part. The aerofoil part comprises radially inner and radially outer portions that are separated by an interface extending from a leading edge of the aerofoil part to a trailing edge of the aerofoil part. The reverse pitch rotatable mounting locates the radially inner and radially outer portions with respect to one another. The reverse pitch rotatable mounting and separation at the interface permit relative pitch change rotation between the radially inner and radially outer portions such that one of the radially inner and radially outer portions is rotatable to a reverse pitch configuration by comparison with the other portion. | 2017-06-08 |
20170159463 | Compliant Shroud for Gas Turbine Engine Clearance Control - The present disclosure is directed to a shroud assembly for a gas turbine. The shroud assembly includes a casing and a shroud. The shroud includes a radially outer wall engaged with the casing. A radially inner wall integrally couples to the radially outer wall. The radially inner wall and the radially outer wall collectively define a pair of axially opposed cavities. The radially inner wall moves radially outward toward the casing when one or more gas turbine blades contact the radially inner wall. | 2017-06-08 |
20170159464 | RUN-UP SURFACE FOR THE GUIDE-VANE SHROUD PLATE AND THE ROTOR-BLADE BASE PLATE - A guide vane segment | 2017-06-08 |
20170159465 | GUIDE VANE SEGMENT FOR A TURBOMACHINE - The invention relates to a guide vane cluster ( | 2017-06-08 |