31st week of 2019 patent applcation highlights part 34 |
Patent application number | Title | Published |
20190234152 | FIXED CUTTER DRILL BIT HAVING HIGH EXPOSURE CUTTERS FOR INCREASED DEPTH OF CUT - A bit for drilling a wellbore includes: a body; and a cutting face forming a lower end of the bit. The cutting face includes: a blade protruding from the body and having a plurality of stud pockets formed in a bottom of the blade adjacent to a leading edge of the blade; a plurality of studs, each stud disposed in the respective pocket, mounted to the blade by a first braze material, and having a cutter pocket formed therein; a plurality of cutters, each cutter having a superhard cutting table attached to a cermet substrate, disposed in the respective cutter pocket, and mounted to the respective stud by a second braze material. An exposure of each cutter is greater than or equal to a diameter of the respective cutter. | 2019-08-01 |
20190234153 | METHODS AND APPARATUS FOR OPERATIVELY MOUNTING ACTUATORS TO PIPE - An apparatus for mounting one or more transducers to a drill pipe. The apparatus comprises a sub-pipe having a bore and a transducer-holding assembly, wherein the transducer-holding assembly is insertable into the bore of the sub-pipe from an axial end of the sub-pipe. The apparatus further comprising a tension collar connected to the bore-defining surface of the sub-pipe and bearing upon the transducer-holder. | 2019-08-01 |
20190234154 | THREADED JOINT FOR OIL AND GAS PIPES - Threaded joint for oil and gas pipes, comprising a female part and a male part, the female part being a joint tubular body comprising a threaded coupling section, a seal section which prolongs the coupling section, the male part comprising a tubular body which comprises a first section which external surface is threaded, a second sealing section comprising a seal surface which cooperates with the female part seal surface for sealing the joint, the sealing surface of the female part being made of conical sections, the sealing surface of the male part comprises a proximal portion closer to the first section and a distal portion, the proximal section portion being a conical surface which forms a first seal with the sealing surface of the female part and the distal portion having a convex surface which forms a second seal with the sealing surface of the female part. | 2019-08-01 |
20190234155 | COILED TUBING POWER CABLE WITH VARYING INNER DIAMETER - A string of coiled tubing having a power cable therein supports and supplies power to an electrical submersible well pump assembly in a well. The coiled tubing has an upper section and a lower section joining each other, the upper section having a smaller inner diameter than the lower section. The power cable has an upper portion installed in the upper section of the coiled tubing and a lower portion installed in the lower section of the coiled tubing. The power cable has three insulated electrical conductors embedded within an elastomeric jacket. A metal armor strip has turns wrapped helically around the jacket. The armor strip is compressed between the jacket and the coiled tubing both in the upper section and in the lower section of the coiled tubing. | 2019-08-01 |
20190234156 | SLIPS POSITIONING APPARATUS FOR A WELL OPERATION - A slips positioning apparatus for a wellhead installation is installed in a fixed position relative to the blow out preventer and allows releasable locking of the slips relative to well center and driving movement of the slips relative to well center. The slips positioning apparatus includes a slips-mounting structure for accepting connection of the slips; an installation structure for mounting the apparatus rigidly above the blow out preventer and relative to well center. The installation structure is a plate that defines a first plane. The apparatus further includes a first and a second linear guides configured for movement of the slips-mounting structure relative to the installation structure along respective first and second directions in planes substantially parallel with the first plane; and first and second linear actuators for moving the slips-mounting structure respectively along the first and second linear guides. Slips are mounted on the slips-mounting structure and positioned, including releasably locked and/or driven, by the apparatus relative to well center. | 2019-08-01 |
20190234157 | SEALING/LOCKING ROD SAFETY CLAMP AND RAM SYSTEM - Sealing/locking rod safety clamp systems and components are provided. In some embodiments, the systems can comprise a locking rod clamp, a lockable drive motor shaft, and locking shaft rams. Methods of use of sealing/locking rod safety clamp systems and components are also provided. | 2019-08-01 |
20190234158 | Pipe Handling Assembly - A pipe handling assembly carried by a horizontal boring machine includes a pipe box having a plurality of columns. One or more pipe sections may be received and stored in any of the columns. A pair of shuttle arms are used to move the pipe sections from the pipe box to a carriage included in the machine. The pipe column selection assembly includes an elongate rotatable shaft that carries a series of stop elements. A shaft-mounted pinion gear drives movement of the shuttle arms. A longitudinally positionable bolt element can block the rotational path of any selected one of the stop elements. Such blockage stops movement of the shuttle arms beneath a corresponding one of the columns. The pipe column selection assembly allows an operator to select which column to load or unload a pipe section into and from within a pipe box. | 2019-08-01 |
20190234159 | RISER MONITORING AND LIFECYCLE MANAGEMENT SYSTEM AND METHOD - Systems and methods for riser monitoring and lifecycle management are disclosed. The riser monitoring and lifecycle management method includes receiving a signal indicative of an identification of a riser component at a monitoring and lifecycle management system (MLMS), wherein the riser component forms part of a riser assembly. The method also includes detecting one or more properties via at least one sensor disposed on the riser component during operation of the riser assembly, and communicating data indicative of the detected properties to the MLMS. The MLMS stores the data indicative of the detected properties with the identification of the riser component in a database. | 2019-08-01 |
20190234160 | DEVICE AND METHOD FOR THE IMPLEMENTATION OF A REFORMABLE TUBULAR STRUCTURE MADE OF COMPOSITE MATERIAL - The present invention relates to a device and a method for the implementation of a flexible tubular structure made of reformable composite material, designed for passing from a first folded configuration to a second longitudinally developed operating configuration using a tapered profile slidingly engageable inside the tubular structure. | 2019-08-01 |
20190234161 | DRILL ROD FOR BREAKING UP THE EDGES OF BOREHOLES AND A METHOD FOR BREAKING UP THE EDGES OF BOREHOLES - A drill rod for breaking up the edge of a hole comprises a cylindrical body, a buffer and injector nozzles. The drill rod injects air and water through its injector nozzles at the material deposited at the edge of the hole, thus achieving the breaking up thereof without the need to use auxiliary equipment or manual operations. A method for breaking up the edge of a hole is described, including using a rod to break up the edge of a hole, and comprising the stages necessary to perform this operation using a drill. | 2019-08-01 |
20190234162 | System and Method to Control Wellbore Pressure During Perforating - A system and method to control wellbore pressure during perforating. The system comprises a carrier, a sensor, a pressure-altering device, and a processor in communication with the sensor. The sensor is configured to detect a stress wave propagating through the carrier before the arrival of a related pressure wave in the wellbore and generate a signal indicative of the detected stress wave. The pressure-altering device is actuatable to change the pressure in the wellbore. The processor is operable to analyze the signal from the sensor and control the pressure-altering device based on the detected stress wave to change the magnitude of the related pressure wave in the wellbore. | 2019-08-01 |
20190234163 | Hookless Hanger For A Multilateral Wellbore - A hookless hanger for a multilateral wellbore can include an assembly with an upper tubular body and a lower tubular body. The upper tubular body can be positioned in a main bore of the wellbore. The lower tubular body can be pivotally coupled to the upper tubular body at a joint. The lower tubular body can pivot relative to the upper tubular body and can be positioned in a lateral bore of the wellbore. | 2019-08-01 |
20190234164 | SELECTIVE TEST TOOL - This disclosure presents a selective service tool that has key prop mandrel that is slidably coupled to and extends over a cage mandrel. The lower end of the key prop mandrel including key props. The key has first and second opposing sections located about an outer perimeter and adjacent an upper end of the locator mandrel, wherein the key props are positionable between the first section and the outer perimeter of the locator mandrel and the second section and the outer perimeter of the locator mandrel, respectively, when the key is in a deployed position. | 2019-08-01 |
20190234165 | Variable Intensity And Selective Pressure Activated Jar - A jarring tool used to dislodge a stuck tubular string or bottom hole assembly within an underground wellbore. Tubular strings with which the tool may be used may be formed from drill pipe, jointed pipe, or coiled tubing. A funnel element is placed underground either within, or as part of, a tubular string. A deformable ball may be seated within the funnel element to block fluid from passing within the tubular string. Hydraulic pressure may build within the tubular string until it exceeds the pressure the ball can withstand. This will cause the ball to deform and be expelled through the funnel element. With no ball to block its flow, fluid will be rapidly released through the funnel element. The rapid release of fluid will cause a powerful jarring or jolting to the tubular string or bottom hole assembly. | 2019-08-01 |
20190234166 | REACTION VALVE DRILLING JAR SYSTEM - An apparatus and method for drilling is disclosed, including a drill string with at least one jar and one reaction valve. Drilling fluid flows through the reaction valve. The reaction valve is selectively throttled, which creates a differential pressure across the valve seat. The differential pressure creates an axial force that is transferred to the jar, which aids in cocking or firing the jar. In an embodiment, a reaction valve throttles downward fluid flow to create a downward compressional force on the jar, while in another embodiment, a reaction valve throttles upward fluid flow to create an upward tensile force on the jar. Upward and downward fluid flow may be alternatively throttled for alternately firing the jar upwards and downwards. A bypass valve may be included in the drill string for establishing a drilling fluid flow path when such may be otherwise obstructed by foreign matter in the wellbore. | 2019-08-01 |
20190234167 | Method And Apparatus For Production Well Pressure Containment For Blowout - Apparatus and methodologies are provided for modifying the wellhead structure of a production well to seal the production well before subterranean fracturing operations. The apparatus includes an enclosure tubular and adapter | 2019-08-01 |
20190234168 | WEATHERIZATION SYSTEM FOR A WELLHEAD EMISSION REDUCTION SYSTEM - A weatherization system for a wellhead methane emission reduction system is described. The weatherization system reduces green-house gas emission into the atmosphere and reduces the effects of weather on the methane emission reduction system. The weatherization system includes a stack assembly connected to a housing of the reduction system by a housing adapter. The stack assembly includes a stack adapter and a stack cover, which collectively helps protect the methane emission reduction system and prevents weather or atmospheric factors from entering the housing. The weatherization system may include one or more sensors for measuring the effects of weather or degradation of at least one of the weatherization system and the methane emission reduction system. | 2019-08-01 |
20190234169 | WELLBORE SEAL ENERGIZING RING WITH RETAINING FEATURE - A wellhead assembly includes an outer wellhead member having a bore and an inner wellhead member located in the bore, defining an annular pocket between the outer and inner wellhead members. A sealing assembly is located within the annular pocket, the sealing assembly having an annular seal and an energizing ring. The energizing ring engages inner and outer legs of the annular seal to push the inner and outer legs into sealing engagement with the inner and outer wellhead members. A retainer nut is threadingly attached to the free end of the outer leg of the sealing assembly. Mating grooves are located on one of an inner diameter of the retainer nut and an outer diameter of the energizing ring and mating protrusions located on the other. The mating protrusions mate with the mating grooves to prevent relative axial movement between the energizing ring and the annular seal. | 2019-08-01 |
20190234170 | BLOWOUT PREVENTER BONNET RETENTION METHODS AND SYSTEMS - Methods and systems for retaining bonnets on blowout preventers. In one embodiment, a blowout preventer includes a hollow body, a ram disposed in a ram cavity of the hollow body, and a bonnet coupled to the hollow body. The bonnet is fastened to the hollow body with threaded fasteners, which include a threaded shaft and a threaded nut. The shaft and the nut include mating interrupted threads with threaded portions and longitudinal unthreaded portions that can be rotationally aligned so that threaded portions of each of the shaft and the nut are aligned with unthreaded portions of the other of the shaft and the nut to allow the threaded shaft to be received within the threaded nut and the threaded nut to then be rotated with respect to the threaded shaft to cause the threaded portions of the threaded nut to engage the threaded portions of the threaded shaft. | 2019-08-01 |
20190234171 | HYDRAULIC FRACTURING SYSTEM, APPARATUS, AND METHOD - An apparatus according to which a subterranean formation in which a wellbore extends is hydraulically fractured, the apparatus comprising first and second manifolds, the first manifold including first and second flow lines adapted to be in fluid communication with first and second pumps, respectively, the first pump being adapted to pressurize fluid received from the first flow line, and the second pump being adapted to pressurize fluid received from the second flow line, and the second manifold including a third flow line adapted to convey pressurized fluid from the first and second pumps to the wellbore to hydraulically fracture the subterranean formation in which the wellbore extends. The apparatus is adapted to be connected to another apparatus used to hydraulically fracture the subterranean formation in which the wellbore extends by moving one, or both, of the first and second flow lines relative to the third flow line. | 2019-08-01 |
20190234172 | STUFFING BOX CONTAINMENT APPARATUS - A containment device for containing leakage from a stuffing box is provided. The containment device can have a base defining an interior space, a structural member positioned substantially vertically with an interior passage sized to allow a polish rod to pass through and a lid. The containment device can be adapted for connection to the stuffing box so that a bottom of the structural member rests on the stuffing box when the containment device is installed on the stuffing box. The containment device can be installed by removing a dust cap from the stuffing box and attaching the containment device to a top of the stuffing box with the interior passage aligning with the stuffing box. The dust is installed on top of the lid and the lid placed on the base. The polish rod can then be run through the interior passage of the containment device. | 2019-08-01 |
20190234173 | Rotating Control Devices and Methods to Detect Pressure Within Rotating Members - A rotating control device includes a housing with a sensor port extending to a central housing bore, a sensor in the port, and a rotating sleeve assembly (RSA) extending within the central bore. The RSA includes a sleeve configured to rotate relative to the housing and a second bore coaxially aligned with the central bore of the housing, A piston port in the sleeve extends to the second bore, and a piston disposed in the piston port is configured to reciprocate between a first position and a second position in response to a change in pressure of fluid within the second bore. The piston port and the piston are disposed at a location in the rotating sleeve that passes the sensor periodically when the rotating sleeve rotates; the sensor configured to detect the piston when it rotates past the sensor and is in its second position. | 2019-08-01 |
20190234174 | TREATMENT APPARATUS WITH MOVABLE SEAT FOR FLOWBACK - A coiled adaptive seat is held to a smaller diameter for delivery with a tool that features a locating lug for desired alignment of the seat with an intended groove in the inner wall of a tubular. The release tool retracts a cover from the seat allowing its diameter to increase as it enters a groove. Alternatively the adaptive seat is released near the groove and pushed axially in the string to the groove for fixation. Once in the groove the inside diameter of the string is a support for a blocking object so that sequential treatment of parts of a zone can be accomplished. The blocking object is removed with pressure, dissolving, milling or disintegration leaving a narrow ledge in the tubular bore from the seat that can simply be left in place or milled as well. An E4#10 from Baker Hughes is modified for adaptive seat delivery. | 2019-08-01 |
20190234175 | TREATMENT APPARATUS WITH FLOWBACK FEATURE - A coiled adaptive seat is held to a smaller diameter for delivery with a tool that features a locating lug for desired alignment of the seat with an intended groove in the inner wall of a tubular. The release tool retracts a cover from the seat allowing its diameter to increase as it enters a groove. Alternatively the adaptive seat is released near the groove and pushed axially in the string to the groove for fixation. Once in the groove the inside diameter of the string is a support for a blocking object so that sequential treatment of parts of a zone can be accomplished. The blocking object is removed with pressure, dissolving, milling or disintegration leaving a narrow ledge in the tubular bore from the seat that can simply be left in place or milled as well. An E4#10 from Baker Hughes is modified for adaptive seat delivery. | 2019-08-01 |
20190234176 | Pressure Control Devices for Sealing Around Tubular Members - A pressure control device for sealing about a tubular string comprises: a flange disposed about a central axis, an annular extension extending from the flange and an annular seal element coupled to the annular extension. The seal member includes a through-passage for receiving the tubular string and an annular recess in which the annular extension is disposed. The annular extension includes a radially-inward facing surface that includes a tapered region that is nonlinear in an axial cross-section for reducing mechanical stresses in the seal member. | 2019-08-01 |
20190234177 | Downhole Tool System and Method - The present invention comprises a novel thread form and slip alignment device and method for anchoring drillable downhole tools, such as fracturing plugs, bridge plugs, or cement retainers within a wellbore. The slips are oriented circumferentially about upper and lower cones between upper and lower slips and upper and lower load members whereby the downhole tool is capable of withstanding piston forces resulting from differential pressure from above and below the set position through the utilization of a sealing element to maintain differential pressure from above and/or below the tool. Upon wellbore pressure application above and/or below the plug, relative axial movement between the mandrel and the slips, tool, and cones occurs until halted by an upper and lower stop disposed on the mandrel at each distal and proximate end. Further, components used in the slip alignment feature may be manufactured from weak materials or anisotropic material properties for milling. | 2019-08-01 |
20190234178 | Degradation Resistant Rotary Valves for Downhole Tools - A rotary valve with increased resistance to degradation that can include, a manifold with multiple flow paths, a rotary actuator rotatably mounted within the valve, and a valve seat that is fixedly attached to the manifold, with an end (or component) of the rotary actuator made from silicon carbide diamond (ScD) and the end having a first surface. The valve seat can have a second surface that sealingly engages the first surface. Manufacturing a rotary valve can include combining diamond particles in a press with silicon and applying temperature and pressure to produce a piece of ScD. Interposing a compound between the piece and a structure and brazing them by heating the compound between 700-1200 degrees Celsius. Forming ports and flow paths in the piece by machining the piece with an Electrical Discharge Machining (EDM) tool. | 2019-08-01 |
20190234179 | ELIMINATION OF PEROFRATION PROCESS IN PLUG AND PERF WITH DOWNHOLE ELECTRONIC SLEEVES - A method includes positioning a completion assembly in a wellbore penetrating a subterranean formation and conveying a frac plug through the completion assembly. The completion assembly may provide a fracturing assembly. The method further includes detecting a wireless signal provided by the frac plug with a sensor included in the fracturing assembly, actuating a sliding sleeve of the fracturing assembly based on detection of the wireless signal and thereby moving the sliding sleeve to expose one or more flow ports, setting the frac plug in the wellbore downhole from the fracturing assembly, conveying a wellbore projectile through the completion assembly, receiving the wellbore projectile with the frac plug, and thereby sealing the wellbore at the frac plug, and injecting a fluid under pressure into the subterranean formation via the one or more flow ports. | 2019-08-01 |
20190234180 | GAS CAPABLE FRANGIBLE DISC BARRIER VALVE - A downhole temporary pressure isolation tool configured to withstand very high gas pressures at high temperatures may be achieved by a variety of configurations, processes, and techniques. In particular implementations, a barrier valve having one or more frangible discs configured to resist fluid flow in a particular specified duration. In some implementations, the barrier valve may achieve a V0 rating. In one embodiment, for example, a barrier valve may prevent the passage of fluid (i.e., gas and/or liquid) at 15,000 psi and a temperature of 400 degrees F. for at least 15 minutes. If the barrier valve has two frangible ceramic discs, it may prevent the passage of fluid from two directions for at least 15 minutes. | 2019-08-01 |
20190234181 | VALVE WITH SHUTTLE FOR USE IN FLOW MANAGEMENT SYSTEMS - A valve with a shuttle for use in a flow management system is capable of bypassing a backflow. | 2019-08-01 |
20190234182 | APPARATUS AND METHODS FOR CEMENTING OF WELLBORES - Various embodiments of a tubular valve assembly for cement completion of wellbores and methods of using the tubular valve assemblies are provided. | 2019-08-01 |
20190234183 | High Signal Strength Mud Siren for MWD Telemetry - A measurement while drilling (MWD) tool includes a sensor, an encoder operably connected to the sensor and a modulator operably connected to the encoder. The modulator includes a first stator, a rotor and a second stator. The rotor is optimally positioned between the first and second stator. The use of a second stator amplifies the pressure pulse signal produced by the modulator. | 2019-08-01 |
20190234184 | METHOD OF INHIBITING FOULING ON A METALLIC SURFACE USING A SURFACE MODIFYING TREATMENT AGENT - Fouling caused by contaminants onto a metallic tubular, flow conduit or vessel in an underground reservoir or extending from or to an underground reservoir may be inhibited by applying onto the surface of the metallic tubular, flow conduit or vessel a treatment agent comprising a hydrophobic tail and an anchor. The anchor attaches the treatment agent onto the surface of the metallic tubular, flow conduit or vessel. | 2019-08-01 |
20190234185 | Sea level gas separator of oil well effluent with incorporated emergency measures upon a well blow-out - A modular ‘Sea Level Gas Separator of Oil Well Effluent’ (SLGOE) unit is devised to prevent damage to the riser/conductor, as well as precluding the gas entrainment reaching the rig, upon a well blow-out. The effluent, after a blow-out, is let into ‘gas-separator’ tank of the unit, entering as a down-flow, whereby instantaneous separation of the gases is effectuated. Massively clustered top outlets let off the rising gases to a distant destination. An immensely pressured gas entrainment is attenuated by enormous receptive volume of the multiple upstream outlets of the tanks, the containing volume and pressure of a gas being inversely proportional. The gas entrainment is further precluded to entrain into the down-streaming oil of the tanks, reaching a different destination. When the drilling conductor is breached, an ‘oil separator’ tank separates the oil from admixed water, whereby the pollution of oceanic water is also precluded. | 2019-08-01 |
20190234186 | SYSTEM AND METHODOLOGY FOR JOINING COMPONENTS - A technique facilitates joining of components without subsequent heat treatments. The components are joined by using a friction stir process which establishes a desired friction stir region at an appropriate location to securely join the desired components. In well applications, various components of sand screen assemblies may be joined by the friction stir process. For example, metal sand screen components may be securely coupled with a corresponding metal base pipe. The joining technique enables retention of the corrosion resistant properties of the materials without applying post weld heat treatments and/or other subsequent treatments. | 2019-08-01 |
20190234187 | CASED BORE TUBULAR DRILLING AND COMPLETION SYSTEM AND METHOD - Embodiments of the present disclosure include a system including a pair of wellbore tubulars coupled together via a casing collar. The system also includes a hold down collar arranged circumferentially about the casing collar. The system includes an actuating piston including an actuating body, the actuating piston being axially movable along the wellbore axis between an activated position and a deactivated position. The system includes slip elements arranged downstream of the actuating piston, the slip elements receiving the actuating body in a space formed between the slip elements, wherein the actuating body drives the respective slip elements in opposite radial directions when in the activated position to secure the wellbore tubulars within the wellbore. | 2019-08-01 |
20190234188 | Direct Connecting Gun Assemblies for Drilling Well Perforations - A perforation gun assembly comprising a plurality of guns with a box fitting at one end and a modified pin fitting at the distal end; the modified pin fitting further comprising an end cap secured to an internal charger carrier, aligning a plurality of shape charges with scallops in the gun casing; and having a pressure switch, which connects to an electrical connection point at the box end of a charger carrier in an adjacent gun. The end cap being captured between the pin of one gun and the internal edge of the mating gun to protect and channel blast force to the pressure switch. | 2019-08-01 |
20190234189 | FIRING HEAD ASSEMBLY, WELL COMPLETION DEVICE WITH A FIRING HEAD ASSEMBLY AND METHOD OF USE - A firing head assembly for use with a perforating gun is described. The firing head assembly includes a tubular housing, first and second pistons, and a compressible member arranged within a lumen of the tubular housing and positioned between the first and second pistons. According to an aspect, the assembly includes a plurality of upper locking arms and lower locking arms that engage with locking members formed in the tubular housing. The firing head assembly further includes upper and lower shear washers arranged at the second opening of the tubular body, in a sandwich type configuration with respect to the second piston. Pressures within the firing head assembly may be adjusted to activate the firing head assembly to either trigger an explosive reaction or to not trigger the explosive reaction. | 2019-08-01 |
20190234190 | GEOTHERMAL HEAT RECOVERY DEVICE AND GEOTHERMAL HEAT RECOVERY DEVICE OPERATING METHOD - A geothermal heat recovery device includes a circulation flow path provided with a circulation pump, a heat medium pressurized by the circulation pump circulating through the circulation flow path in a hot liquid state; a heat exchanger installed underground and configured to heat the heat medium flowing through the circulation flow path with underground heat; a binary electricity generation device configured to recover, as electrical energy, thermal energy from the heat medium heated in the heat exchanger; a bypass path connected to the circulation flow path; and an adjustment mechanism configured to adjust a flow division ratio between a flow rate of the heat medium flowing into the heat exchanger and a flow rate of the heat medium bypassing the heat exchanger through the bypass path. | 2019-08-01 |
20190234191 | COMPACT LUBRICATOR AND HEADER SYSTEM - A header with associated lubricator is for fluid handling at the wellhead of an oil and gas well where a plunger/lubricator lift system is deployed, and provides a novel compact lubricator with attached header which can replace a conventional wellhead flow-tee without modifying or moving other wellhead equipment to accommodate the new lubricator and header replacing the old flow-tee. A sub seal is provided at the header/lubricator attachment(s). The header with associated lubricator encloses a conduit with seals in the attachment interfaces between the header and lubricator or between the header and exit attachment means, where the conduit may also comprise a means of flow restriction through machined geometry or by retaining a reduced diameter or valve component through various means of attachment. The flow restrictor means may also be serviced via service access means provided in the header or lubricator exterior wall. | 2019-08-01 |
20190234192 | Apparatus for transferring a reciprocating movement from a surface machinery to a downhole device and a method of producing well fluids - The invention relates to an apparatus for transferring a reciprocating movement from a machinery arranged at a surface to a device located downhole in a subterranean well, the apparatus comprising:
| 2019-08-01 |
20190234193 | COILED TUBING SUPPORTED ESP WITH GAS SEPARATOR - An assembly for pumping well fluid from a well includes a production conduit string having a polished bore receptacle. A coiled tubing segment with a power cable is suspended within the production conduit string. A motor, which is secured to the coiled tubing segment and electrically connected with the power cable, drives a pump. The pump discharge opens into a coiled tubing annulus between the coiled tubing segment and production conduit string. A gas separator has a heavier fluid outlet leading into the pump intake and a lighter fluid outlet leading into the production conduit string below the polished bore receptacle. A seal member extends between the gas separator and the pump in sealing engagement with the polished bore receptacle above the lighter fluid outlet and below the pump discharge. | 2019-08-01 |
20190234194 | STORING AND DE-LIQUEFYING LIQUEFIED NATURAL GAS (LNG) AT A WELLSITE - A method and a system for pressurizing a reservoir volume including fluid in a formation with a parent well extending through the formation includes storing liquefied natural gas (LNG) at an on-site location of the parent well, de-liquefying the LNG to form natural gas at the on-site location, and injecting the natural gas into the parent well to pressurize the reservoir volume through the parent well. | 2019-08-01 |
20190234195 | ELECTROMAGNETIC RANGING WITH AZIMUTHAL ELECTROMAGNETIC LOGGING TOOL - Apparatus, systems, and methods for ranging operate to use a wireline active ranging system to initially determine a relative distance and relative direction from a first well (e.g., ranging well) to a second well (e.g., target well) and an EM azimuthal logging tool to maintain or adjust the distance from the target well while drilling the ranging well. Additional apparatus, systems, and methods are disclosed. | 2019-08-01 |
20190234196 | APPARATUS AND METHODS FOR MAKING AZIMUTHAL RESISTIVITY MEASUREMENTS - A resistivity measuring tool used in a drillstring having a drill bit on a distal end for drilling a wellbore in a formation includes a tool body having a longitudinal axis, a transmitting antenna, and a receiving antenna. The receiving antenna includes an antenna body having a longer axis disposed longitudinally in the tool body, and a wire coil having a central axis disposed around the antenna body, wherein the wire coil central axis is substantially perpendicular to the longer axis of the antenna body, and wherein the wire coil is configured to generate a magnetic moment orthogonal to the tool body longitudinal axis. The transmitting antenna is configured to transmit electromagnetic energy into the formation and induce a voltage signal related to a parameter of the formation in the receiving antenna. | 2019-08-01 |
20190234197 | HORIZONTAL DIRECTIONAL DRILLING AREA NETWORK AND METHODS - A drilling area network hub is located proximate to a drill rig and includes an uphole transceiver in bidirectional communication with a downhole transceiver by utilizing the drill string as an electrical conductor. Certain information is collected including rig-based and/or location information. At least one field report is generated based on the certain information to characterize at least one of an inground operation, an operational condition of the downhole transceiver, an operational condition of the uphole transceiver, and an operational condition of the drill rig. A drilling area network server receives the field report from the Internet at a remote location and can generate a custom report and/or recommended actions based on field data. Region specific parameters can be applied to the operation of a drilling system. The drilling area network hub can transfer data logs to the remote location according to assigned priorities. | 2019-08-01 |
20190234198 | TILTMETER FOR EAT APPLICATIONS - An electro acoustic technology (EAT) based micro seismic sensor and tiltmeter system and method is described for the measurement of minute deformations in downhole formations caused by hydraulic fracturing or other sources of pore pressure changes. A number of sensor arrays are described that are installed in clamp-on EAT devices installed in tool wells located in close proximity to hydraulically fractured wells. | 2019-08-01 |
20190234199 | HORIZONTAL DIRECTIONAL DRILLING SYSTEM INCLUDING SONDE POSITION DETECTION USING GLOBAL POSITIONING SYSTEMS - A locator device and methods of use are disclosed. The locator device includes a first locating system configured to generate to sense an electromagnetic field emanating from a sonde associated with a drill head, and a second locating system including a global positioning system. The locator device includes a display on the locating system configured to display a map of the area in which the locator device resides based on a location detected by the global positioning system. The locator device also includes control electronics configured to, upon receipt of an input from a user, record location data in a memory associated with the locator device for use by a horizontal directional drilling control system. | 2019-08-01 |
20190234200 | POLYMERIC TRACERS - Tracing subterranean fluid flow includes providing a first polymeric tracer to a first injector, collecting a first aqueous sample from a first producer, and assessing the presence of the first polymeric tracer in the first aqueous sample. The first polymeric tracer includes a first polymer formed from at least a first monomer. The presence of the first polymeric tracer in the first aqueous sample is assessed by removing water from the first aqueous sample to yield a first dehydrated sample. pyrolyzing the first dehydrated sample to yield a first gaseous sample, and assessing the presence of a pyrolization product of the first polymer in the first gaseous sample. The presence of the pyrolization product of the first polymer in the first gaseous sample is indicative of the presence of a first subterranean flow pathway between the first injector location and the first producer location. | 2019-08-01 |
20190234201 | SYSTEM AND METHOD OF TRIGGERING, ACQUIRING AND COMMUNICATING BOREHOLE DATA FOR A MWD SYSTEM - A set of instructions stored on at least one non-transitory computer readable medium running on a computer system having at least one processor. The set of instructions extract outputs from sensors of a measurement while drilling system of a drilling rig; enable a transmitter to transmit a first data stream having at least one data series including drilling data, the first data stream having an interruptible portion encompassing at least a portion of the drilling data; detect a trigger event during transmission of the first data stream; and cease transmission of the first data stream. | 2019-08-01 |
20190234202 | SYSTEM AND METHOD TRIANGULATION AND ZONE MANAGEMENT FOR DRILLING RIG COMMUNICATION COORDINATION - A system for tracking a position on a rig site may include a plurality of static beacons of defined positions on the rig site configured to transmit reference signals at a selected triggering time for transmission; at least one moveable receiver at a first location on the rig site configured to receive the reference signals from the plurality of static beacons, determine the reception time of signal, and transmit reception information to a master node via a communication channel; wherein the master node is at a location on the rig site with a reference base time, wherein the master node receives the defined positions and reference times of the plurality of static beacons, and wherein the system is configured to, based on the reception information, determine signal travel times between the static beacons and the at least one moveable receiver, determine the distances between the static beacon and the at least one moveable receiver based on a travel time of the reference signals, and determine a position of the first location. | 2019-08-01 |
20190234203 | SYSTEMS AND METHODS FOR TERAHERTZ MODULATION FOR TELEMETRY - Systems and methods for terahertz modulation in a terahertz frequency band from about 0.1 terahertz to about 10 terahertz propagating in a wellbore intersecting a subterranean earth formation. A transmitter generates the EM radiation in the terahertz frequency band. A modulator located in the wellbore receives the EM radiation and generates an amplitude modulated signal with the EM radiation. | 2019-08-01 |
20190234204 | Estimating Properties of a Subterranean Formation - Extracting a core sample from within a wellbore is optimized based on information extracted from acoustic signals that are generated downhole. The acoustic signals provide an indication of the formation being cored, which is used to obtain or adjust designated coring operating parameters for accomplishing an efficient and effective coring procedure. Coring operating parameters that are adjusted include weight on bit and bit rotational speed. Optimizing coring operating parameters reduces wear on the bit and produces samples with less fractures. Generating acoustic signals is done by the operation of coring itself, or contacting the formation with a coring bit. Contacting includes impacting the coring bit radially against the wellbore's sidewall, or moving the bit laterally after coring operations have initiated. | 2019-08-01 |
20190234205 | METHOD TO COMPUTE DENSITY OF FRACTURES FROM IMAGE LOGS - A method for performing a formation-related physical action includes: receiving image data of a wall of a borehole penetrating a formation, the image data having image data of fractures intersecting the wall of the borehole; and defining a volume surrounding the borehole. The method also includes determining a surface area of each fracture intersecting the volume at each defined depth in a plurality of depths and calculating a fracture density for each defined depth based on the surface area of each fracture intersecting the volume at each defined depth in a plurality of depths and a size of the volume. The method further includes performing the formation-related physical action based on the fracture density for each defined depth using apparatus configured to perform the formation-related physical action. | 2019-08-01 |
20190234206 | PORE PRESSURE MONITORING DEVICE AND METHOD FOR MONITORING PORE WATER PRESSURE - The invention relates to a pore pressure monitoring device, for use in geotechnical engineering, adapted to be deployed underground for monitoring pore-water pressure in the ground, comprising a pressure sensor cavity ( | 2019-08-01 |
20190234207 | OPTIMIZATION OF RATE-OF-PENETRATION - A method includes receiving sensor data characterizing one or more properties of a first formation undergoing drilling; determining, based on the received sensor data and a plurality of clustered historical data, an identity of the first formation; determining, based on one or more of the identity of the first formation and a target rate of penetration, a target operating parameter of a drill configured to penetrate the first formation, the target operating parameter configured to achieve the target rate of penetration of the drill through the first formation; and varying the operation of the drill based on the target operating parameter. Related apparatus, systems, articles, and techniques are also described. | 2019-08-01 |
20190234208 | SYSTEM AND METHOD FOR SURFACE MANAGEMENT OF DRILL-STRING ROTATION FOR WHIRL REDUCTION - A system and method to reduce a whirl effect on a rotation of a drill string with an AC induction motor mechanically coupled to a rotary drilling system and configured to drive the rotary drilling system and the drill string attached thereto. Additionally, the system includes an electronic inverter to generate supplied power for the AC induction motor and a controller configured to drive the operation of the electronic inverter to impose a virtual drive characteristic relating a torque output of the motor with speed of the motor, determine a desired nominal operating point, and determine presence of whirl in the drill string from torque of the rotary drilling system and speed of the drill string. | 2019-08-01 |
20190234209 | MEASURING FLUID DENSITY IN A FLUID FLOW - A downhole production system includes an electric submersible pump (ESP) configured to be positioned within a wellbore. A measurement device is positioned upstream of an ESP suction. The measurement device is fluidically coupled to the suction of the ESP. The measurement device is configured to measure a water-cut of a production fluid flowing into the ESP. The measurement device includes a first flow section configured to receive a fluid flow, a second flow section positioned downstream of the first flow section which is fluidically coupled to the first flow section and at an angle from the first section, a first differential pressure sub-system positioned within the first flow section and a second differential pressure sub-system positioned within the second flow section, downstream of the first differential pressure sub-system. A packer is positioned uphole of a fluid inlet of the measurement device and is configured to direct fluid into the measurement device. | 2019-08-01 |
20190234210 | SYSTEM AND METHOD FOR DOWNHOLE INORGANIC SCALE MONITORING AND INTERVENTION IN A PRODUCTION WELL - An apparatus for estimating an ambient environment at which inorganic scale will form in a downhole fluid includes a stress chamber disposed in a borehole in a production zone at a location within a specified range of maximum pressure and configured to receive a sample of the fluid from the production zone and to apply an ambient condition to the sample that causes the formation of inorganic scale. An inorganic scale sensor is configured to sense formation of inorganic scale within the chamber and an ambient environment sensor is configured to sense an ambient environment within the chamber at which the formation of inorganic scale occurs. The apparatus further includes a processor configured to receive measurement data from the inorganic scale sensor and the ambient environment sensor and to identify the ambient environment at which the formation of inorganic scale occurs. | 2019-08-01 |
20190234211 | FORMATION FLUID SAMPLING MODULE - A formation fluid sampling module including a body having an interior, a first probe including a first end arranged in the interior and a second end exposed at the outer surface, and a second probe including a first end section arranged in the interior and a second end exposed at the outer surface. The second end extends radially outwardly of and about the second end of the first probe. A pump is arranged in the interior. The pump includes a first pumping chamber including a first inlet fluidically connected to the first end, a second pumping chamber including a second inlet fluidically connected to the first end section and a piston operatively associated with each of the first pumping chamber and the second pumping chamber. | 2019-08-01 |
20190234212 | BIT TIP INSERT - An improved diamond coated bit tip insert for a unitary bit/holder, tool, and/or pick for road milling operations that includes a body including a tip and a base subjacent to the tip. The tip of the bit tip insert includes a substrate and an overlay on an outer surface of the substrate. The base of the bit tip insert includes a tapered sidewall or a cylindrical sidewall, the tapered sidewall providing a greater concentration of force applied at an interface of the overlay and the substrate of the tip during a high pressure high temperature (HPHT) process than when using the cylindrical sidewall and the high pressure, high temperature process. | 2019-08-01 |
20190234213 | INSERT WITH HEAT TRANSFER BORE - A bit tip insert on a bit/holder, tool, and/or pick for road milling operations that includes a body including a tip and a base subjacent the tip The bit tip insert also includes at least one heat transfer bore extending from a distal end and/or bottom of the body to a bore termination disposed within the base and/or the tip of the bit tip insert. The at least one bore of the bit tip insert is adapted to allow inward contraction when the overlay transfers heat into the base during operation. | 2019-08-01 |
20190234214 | DEVICE AND METHOD FOR THE AUTOMATED PICKING UP AND LAYING OF A SEGMENT TO FORM A LINING OF A TUNNEL - The invention relates to a device for the automated picking up and placing of a segment forming the lining of a tunnel, intended to be coupled to a tunnel-boring machine ( | 2019-08-01 |
20190234215 | ROTARY PISTON AND CYLINDER DEVICE - A rotary piston and cylinder device ( | 2019-08-01 |
20190234216 | HIGH EFFICIENCY CENTRIFUGAL IMPELLER - A balancing weight mountable within a balance hole of a rotary component includes a cylindrical body having a desired weight. An opening is formed in a portion of the body to define a hollow passageway and a mechanism couples the cylindrical body within an interior of the balance hole. | 2019-08-01 |
20190234217 | FAN BLADE AND METHOD FOR DETERMINING SHAPE OF FAN BLADE - In a fan blade of a turbofan engine and a method for determining a shape of the fan blade, a shape from a blade root of the fan blade up to a predetermined position in a span direction of the fan blade is same as a shape from a blade root of an original fan blade up to a predetermined position in a span direction of the original fan blade, and a shape from the predetermined position in the span direction of the fan blade up to a blade tip thereof is a shape formed by rotating, only by a predetermined angle in a direction opposite to a direction of rotation of the fan blade with a rotating shaft as a center, each of blade elements present from the predetermined position in the span direction of the original fan blade up to a blade tip thereof. | 2019-08-01 |
20190234218 | AIRFOIL HAVING NON-LEADING EDGE STAGNATION LINE COOLING SCHEME - Components for gas turbine engines are provided. The components include an airfoil extending between a first end and a second end and from a leading edge to a trailing edge. The airfoil has a pressure side and a suction side. The airfoil has a non-leading edge stagnation line that transitions from a location along a leading edge surface of the airfoil at the first end to a location on the airfoil on the pressure side of the airfoil at the second end. A leading edge feed cavity is located in the leading edge of the airfoil and extending between the first end and the second end of the airfoil. A stagnation impingement cavity is formed extending along a surface of the airfoil that aligns with the non-leading edge stagnation line. | 2019-08-01 |
20190234219 | SHROUD SEGMENT FOR DISPOSITION ON A BLADE OF A TURBOMACHINE, AND BLADE - A shroud segment ( | 2019-08-01 |
20190234220 | METHOD FOR PRODUCING TURBINE BLADE - A method for producing a turbine blade includes forming an undercoat on a surface of a base material of a turbine blade, which is formed of a Ni-based alloy material, the undercoat being formed of a metallic material having a higher oxidation-resisting property than that of the base material, performing diffusing treatment for heating the base material having the undercoat formed thereon and diffusing a part of the undercoat on the base material side, and forming a topcoat on a surface of the undercoat after the diffusing treatment is performed, the topcoat being formed of a material having a lower thermal conductivity than that of the base material and the undercoat. | 2019-08-01 |
20190234221 | CERAMIC TURBINE VOLUTE - A gas turbine and nozzle system is provided that includes a radial inflow turbine rotor and a volute providing a flow path to deliver a pressurized gas to a circumference of the radial turbine rotor. The volute incorporates a shape which substantially conforms to a radial turbine shroud contour. The volute includes at least first and second parts. A mating surface between the first and second parts is substantially aligned with a direction of pressurized gas flow in the volute. | 2019-08-01 |
20190234222 | ANGLED VANE SLOT - A stator vane arrangement may comprise a first shroud comprising a first side surface and a second side surface, a slot disposed in the first shroud, the slot at least partially defined by the first side surface and the second side surface, a stator vane extending at least partially through the slot, wherein the first side surface and the second side surface are disposed on opposite sides of the slot, and the first side surface is oriented at a first non-zero angle with respect to a radial direction. | 2019-08-01 |
20190234223 | AXIAL FLOW ROTATING MACHINE AND DIFFUSER - An axial flow rotating machine has: a rotor with a plurality of rotor blades; a stator with a plurality of stator blades; an axial flow rotating portion defined by the rotor and the stator; and a diffuser connected to the axial flow rotating portion on a downstream side of the axial flow rotating portion. A final blade portion inner-circumferential inner wall, which is a portion of an inner-circumferential inner wall of the axial flow rotating portion, is defined such that a diameter thereof at a trailing edge position of a final blade is smaller than the diameter at a leading edge position of the final blade. In addition, a diameter of all or a portion of a diffuser inner-circumferential inner wall decreases in a direction of the downstream side in an axial direction. | 2019-08-01 |
20190234224 | Passageway Between a Shroud and a Rotor Platform in a Turbine Engine - A turbomachine assembly and, in particular, a low-pressure compressor of an aircraft turbojet engine includes an annular row of upstream vanes with trailing edges extending radially from an upstream support; an annular row of downstream vanes with leading edges axially facing the trailing edges and extending radially from a downstream support; an annular passageway delimited by the upstream support and the downstream support. The downstream support has a profile with: an upstream portion delimiting the annular passageway forming an annular slide, a downstream portion axially at the level of downstream vanes, and a connecting arc connecting the upstream portion to the downstream portion. The connecting arc is arranged downstream of the leading edges. | 2019-08-01 |
20190234225 | MODULE FOR A TURBOMACHINE - The present invention relates to a module for a turbomachine, having a guide vane arrangement and a seal carrier, which is arranged, with reference to a longitudinal axis of the module, radially inside an inner platform of the guide vane arrangement, wherein, in each case with reference to the longitudinal axis of the module, when considered in an axial section, the seal carrier has a radially extending seal carrier wall and a sealing web extending axially away from it, which forms a labyrinth seal together with the inner platform of the guide vane arrangement, wherein the seal carrier wall and the sealing web are made up in one piece with each other, i.e., they are built up additively together. | 2019-08-01 |
20190234226 | CIRCUMFERENTIAL SEAL - A circumferential seal for a rotating component comprising a static seal part and a rotating seal part having a common rotational axis. The rotating seal part comprises a fin seal, wherein the fin seal comprises a protective coating. A first portion of the fin seal has a first sealing gap to the static seal part and a second portion of the fin seal has a second sealing gap to the static seal part. The first sealing gap has a greater radial dimension than the second sealing gap. | 2019-08-01 |
20190234227 | POWERING GENERATOR INSTRUMENTATION VIA MAGNETIC INDUCTION - A system for powering instrumentation of a generator wirelessly via magnetic induction is provided. The system includes a generator having a power generating source disposed within its casing to convert the electromagnetic energy produced by the generator into electrical energy that may be stored in an energy storage device. This stored energy may then be utilized by at least one sensing component within the generator casing and configured to measure and collect operational data related to the generator. A method for powering a wireless sensor within a generator via magnetic induction is also provided. | 2019-08-01 |
20190234228 | BLADED ROTOR WITH INTEGRATED GEAR FOR GAS TURBINE ENGINE - An assembly of a shaft and a rotor disk comprises a shaft configured to rotate at a first angular speed S | 2019-08-01 |
20190234229 | ACTUATOR - An actuator actuates a movable part of a turbocharger including a turbine housing for accommodating a turbine driven by exhaust, and a compressor housing for accommodating a compressor which is disposed on the same axis as the turbine and which pressure-feeds intake air. The actuator has a rod of which one end side is coupled by a link to the movable part, a case having a bearing part that slidably and axially supports the other end side of the rod, a boot which covers the sliding part of the rod and the bearing part and of which at least part of the outer peripheral surface faces the outer peripheral surface of the turbine housing, and a thermal shield member disposed between the turbine housing and the boot. | 2019-08-01 |
20190234230 | VALVE DEVICE FOR TURBINE, TURBINE, AND METHOD FOR PRODUCING VALVE DEVICE AND TURBINE - The present disclosure has an object to provide a valve device for a turbine in which valve seats of a plurality of valves can be reliably secured to a casing, a turbine including the valve device, and a method for producing the valve device and the turbine. A stop valve device used in a steam turbine includes: a plurality of valves arranged in a chamber into which steam flows; a casing in which the chamber and a plurality of steam channels are formed; and a pressure receiving plate configured to receive pressure of the steam in the chamber to hold two or more valve seats of the two or more valves on the casing. | 2019-08-01 |
20190234231 | GAS TURBINE ENGINE HAVING MINIMUM COOLING AIRFLOW - A cooling system for a gas turbine engine comprises a passage capable of receiving cooling air, a compartment radially adjacent thereto and axially aligned therewith, an opening therebetween, a valve within the opening, and a heat exchanger received in the compartment. The valve is moveable between a maximum open position and a minimum open position for increasing or decreasing airflow from the passage into the compartment. At the valve minimum open position, a leakage path is provided between the passage and the compartment, whereby cooling air is capable of passing from the passage to the compartment and toward the heat exchanger at all valve positions. A gas turbine engine is also disclosed. | 2019-08-01 |
20190234232 | METHOD FOR MANAGING A BREAKDOWN OF A TURBINE ENGINE STARTER VALVE - The present invention concerns a method ( | 2019-08-01 |
20190234233 | BLEED AIR COMPENSATED CONTINUOUS POWER ASSURANCE ANALYSIS SYSTEM AND METHOD - A system and method for providing bleed air compensation for a continuous power assurance analysis of a gas turbine engine includes estimating bleed air flow rate from the gas turbine engine, estimating a shift in power turbine inlet temperature based on the estimated bleed air flow rate, and applying the estimated shift in power turbine inlet temperature to the continuous power assurance analysis of the gas turbine engine. | 2019-08-01 |
20190234234 | PLATFORM LIP IMPINGEMENT FEATURES - An exemplary gas turbine engine includes a turbine section positioned about an engine central longitudinal axis. The turbine section includes a component with a platform providing a lip, a rail extending radially from the platform and at an axial location spaced from an outer axial extension of the lip. An inner face of the rail and a surface of the platform at least partially provide a cavity. At least one opening extends from the inner face to an outer face of the rail opposite the inner face to provide fluid communication from the cavity to the lip. | 2019-08-01 |
20190234235 | VANE FLOW DIVERTER - A vane section of a gas turbine engine according to an example of the present disclosure includes a platform and an airfoil extending outwardly from the platform and having an internal channel communicating with an opening in the platform. A rail extends inwardly from the platform, such that a surface of the platform opposite the airfoil and the rail at least partially define a platform cavity. A flow diverter extends inwardly of the platform within the platform cavity and defines a diverter cavity, an inlet configured to receive fluid flowing in a first direction from the opening in the platform to the diverter cavity, and an outlet configured to expel fluid from the diverter cavity to the platform cavity in a second direction different from the first direction. | 2019-08-01 |
20190234236 | DUAL CAVITY BAFFLE - A component for a gas turbine engine according to example of the present disclosure includes a body that has an airfoil extending between a radially inner platform and a radially outer platform, and that has an internal cavity within the airfoil. A baffle is disposed within the internal cavity. The baffle defines first and second baffle cavities that are separated by a baffle dividing wall extending between the radially inner platform and the radially outer platform. An impingement plate is spaced apart from one of the radially inner and outer platforms, includes a first opening that provides fluid communication between a first chamber and the first baffle cavity, and includes a plurality of second openings that are smaller than the first opening and provide fluid communication between the first chamber and the second baffle cavity via a second chamber. | 2019-08-01 |
20190234237 | TURBOCHARGER - A turbocharge includes: a compressor wheel; a turbine wheel configured to rotate with the compressor wheel; a turbine housing disposed so as to cover the turbine wheel; a bearing supporting a rotational shaft of the turbine wheel rotatably; and a bearing housing accommodating the bearing. One of the turbine housing or the bearing housing includes a fin portion protruding toward the other one of the turbine housing or the bearing housing so as to extend along an axial direction of the rotational shaft, and, between the turbine housing and the bearing housing, a cavity is formed on each side of the fin portion with respect to a radial direction of the rotational shaft. | 2019-08-01 |
20190234238 | BEARING STRUCTURE AND TURBOCHARGER - Provided is a bearing structure including: a shaft; a first opposed surface, which is formed on the shaft or a member mounted to the shaft; a first bearing portion, which is opposed to the first opposed surface from one end side of the shaft; a second opposed surface, which is formed on the shaft or the member mounted to the shaft, and is positioned on the one end side of the shaft with respect to the first opposed surface and the first bearing portion; and a second bearing portion, which is opposed to the second opposed surface from the one end side of the shaft. | 2019-08-01 |
20190234239 | GAS TURBINE ENGINE - In a gas turbine engine, a third bearing having a squeeze film damper is disposed between an outer periphery of an intermediate part in an axial direction of a low pressure system shaft and an inner periphery of an intermediate part in an axial direction a high pressure system shaft. Not only is it possible, by connecting the respective intermediate parts in the axial direction of the low and high pressure system shafts to each other via the third bearing to thus enhance bending stiffness of the low and high pressure system shafts and suppress centrifugal whirling, to prevent vibration from occurring, but it is also possible to suppress transmission of vibration between the low and high pressure system shafts by the squeeze film damper of the third bearing, thereby minimizing transmission of vibration to a casing. | 2019-08-01 |
20190234240 | NON-CONTACTING SEAL WITH NON-ABRADABLE COATING - There is provided a non-contacting seal assembly for a gas turbine engine, having a housing that houses a sealing ring; and a counter component cooperating with the sealing ring. The sealing ring and the counter component are rotatable relative to each other about a central axis and define sealing faces circumferentially extending around the central axis. The sealing faces face each other and are spaced apart from each other by a controlled gap. At least one of the sealing faces is coated with a non-abradable material. A method of operating a non-contacting seal assembly is also provided. | 2019-08-01 |
20190234241 | ANNULAR RETENTION STRAP - A gas turbine engine includes an annular structure disposed around an engine central longitudinal axis of the gas turbine engine. The annular structure defines an annular channel and comprises a first density, according to various embodiments. The gas turbine engine may further include a weight-saving filler disposed within the annular channel. The weight-saving filler may have a second density that is less than the first density. The gas turbine engine may further include an annular retention strap disposed around the engine central longitudinal axis of the gas turbine engine. The annular retention strap is at least partially embedded in the weight-saving filler, according to various embodiments. | 2019-08-01 |
20190234242 | Inlet Assembly for an Aircraft Aft Fan - An engine for mounting in or to an aircraft includes a stage of compression airfoils rotatable about a central axis; a casing surrounding the stage of compression airfoils and defining an inlet; and a low-distortion inlet assembly mounted within the inlet. The inlet assembly includes one or more structural members mounted at predetermined locations around a circumference of the central axis within the inlet, the predetermined locations defining an airflow distortion exceeding a predetermined threshold; and at least one airflow modifying element configured within the inlet so as to reduce airflow distortion entering the stage of compression airfoils. | 2019-08-01 |
20190234243 | HEAT EXCHANGE SYSTEM, COOLING SYSTEM AND COOLING METHOD OF GAS TURBINE, AND GAS TURBINE SYSTEM - A heat exchange system includes: a gas line through which a gas to be cooled flows; a first heat exchanger disposed in the gas line and configured to cool the gas through heat exchange with a refrigerant; a refrigerant introduction line for introducing the refrigerant into the first heat exchanger; a refrigerant discharge line for discharging the refrigerant after cooling the gas from the first heat exchanger; a recirculation line for recirculating at least a part of the refrigerant flowing through the refrigerant discharge line into the refrigerant introduction line; and a flow-rate adjustment unit for adjusting a flow rate of the refrigerant flowing through the recirculation line so that a temperature of the refrigerant introduced into the first heat exchanger from the refrigerant introduction line is not lower than a threshold. | 2019-08-01 |
20190234244 | VALVE TIMING CONTROLLER - A valve timing controller includes: a driving side rotation member synchronously rotating with a crankshaft of an internal combustion engine; a driven side rotation member disposed coaxially with a rotary shaft center of the driving side rotation member and rotating integrally with a valve opening/closing cam shaft; advancing and retarding chambers formed between the driving side and driven side rotation members; a valve unit disposed coaxially with the rotary shaft center and controlling feeding and discharging of a fluid to and from the advancing and retarding chambers; and a tubular valve case having an internal space extending in a direction along the rotary shaft center, accommodating the valve unit in the internal space, having an opening at one end in the direction along the rotary shaft center, and having a bottom portion at the other end. | 2019-08-01 |
20190234245 | ENGINE DEVICE - An engine device including, in a cylinder block ( | 2019-08-01 |
20190234246 | METHOD FOR VALVETRAIN LASH ADJUSTMENT WITH EXTRA LOST MOTION STROKE AND HIGH STIFFNESS LOST MOTION SPRING - A method for setting lash on a rocker arm assembly having a lost motion stroke includes: providing a rocker arm having a lost motion shaft including a collar, the lost motion shaft being biased toward a valve bridge by a lost motion spring, the lost motion shaft being translatable along a bore defined in the rocker arm; inserting a feeler gage in an area between the collar and the rocker arm; and adjusting an adjusting screw until a desired lash is attained. | 2019-08-01 |
20190234247 | CONTROL BASED ON MAGNETIC CIRCUIT FEEDBACK - A method of operating an internal combustion engine of a type that has a combustion chamber, a moveable valve having a seat formed in the combustion chamber, a camshaft on which a cam is mounted, and a rocker arm assembly having a rocker arm and a cam follower configured to engage the cam as the camshaft rotates. The method includes obtaining rocker arm position data, using the rocker arm position data to obtain camshaft position information, and using the camshaft position information in an engine management operation. | 2019-08-01 |
20190234248 | CYLINDER HEAD ARRANGEMENT FOR VARIABLE VALVE ACTUATION ROCKER ARM ASSEMBLIES - A novel cylinder head arrangement for an in-line four cylinder or eight cylinder engine. A modified arrangement allows additional space for installation of wider rocker arm assemblies used for variable valve lift (VVL), cylinder deactivation (CDA) and other types of variable valve actuation (VVA). In one embodiment, cam towers adjacent the end two cylinders are not used. At least one end support is used, which may be an outboard bearing on a camshaft for each end. The wider rocker assemblies may then be installed. In another embodiment, cam towers adjacent the inner two cylinders are eliminated and a single camshaft support piece with a support bearing is installed between the inner cylinders to provide support for the camshafts. The wider rocker assemblies may then be installed on at least one of the middle cylinders. A novel oil control valve operates latches in switching rocker arm assemblies. | 2019-08-01 |
20190234249 | CAM PHASER AND CAM SHAFT ARRANGEMENT WITH CAM PHASER - A cam phaser for a camshaft, the cam phaser including a stator that is operatively connected with a crankshaft through a drive wheel; a rotor that is connectable torque proof with a camshaft and rotatable relative to the stator, wherein the drive wheel is connected torque proof or integrally configured in one piece with a stator base element or with a stator cover that is connected to and sealed relative to the stator base element, wherein a vane of the rotor is arrangeable between two bars of the stator and an intermediary space that is configured between the two bars is divided by the vane into a first pressure cavity and a second pressure cavity. | 2019-08-01 |
20190234250 | MECHANICAL CAM PHASING SYSTEMS AND METHODS - Systems and methods for varying a rotational relationship between a cam shaft and a crank shaft on an internal combustion engine (i.e., cam phasing) are provided. In particular, systems and methods are provided that facilitates a rotary position of a first component to be accurately controlled with a mechanism causing a second component, which can be coupled to the cam shaft or crank shaft, to follow the rotary position of the first component. | 2019-08-01 |
20190234251 | ATTACHMENT STRUCTURE FOR VEHICLE MOTOR, IN-VEHICLE EQUIPMENT, AND BRUSHLESS MOTOR - An attachment structure for a vehicle motor is applied for the purpose of attaching a vehicle motor to in-vehicle equipment. The attachment structure for a vehicle motor is provided with an axial gap motor that includes a rotor and a stator facing each other in the axial direction. The motor is attached to the in-vehicle equipment in a mode in which the axial direction is perpendicular to the vertical direction. | 2019-08-01 |