46th week of 2021 patent applcation highlights part 30 |
Patent application number | Title | Published |
20210355742 | DOOR AND WINDOW FRAMES, AND RELATED METHODS - Systems and methods are described herein to provide a frame assembly adjustable to fit different sized walls. The frame assembly can comprise one or more portions for receiving wall coverings when the frame assembly is coupled to an end of a wall. In various embodiments, the frame assembly can be a door frame assembly or a window frame assembly. Other embodiments are disclosed herein. | 2021-11-18 |
20210355743 | DOOR-READY MOLDING - A door system including a primary door molding attachable to a primary door frame, the primary door molding including a first vertical member and a first hinge member extending from the first vertical member. One of a horizontal member from which the first vertical member downwardly extends and the first vertical member includes a first rotatably engageable element, and the first hinge member includes a second rotatably engageable element vertically spaced from the first rotatably engageable element. | 2021-11-18 |
20210355744 | SASH APPARATUS AND METHOD OF MAKING SAME - There is provided a sash apparatus for securing in a window or a door, and a methods making same. The sash apparatus comprises a frame with multiple segments securable to the window or door, where each of the segments has an internal passage therein. The multiple segments are arranged and coupled together at non-straight angles to form the frame, with the internal passages within the segments in fluid communication with one another. The sash apparatus also includes a bonding fill at least partially filling the internal passages within the frame to hold the multiple segments together. | 2021-11-18 |
20210355745 | SLIDABLE PANEL FRAME ASSEMBLY HAVING THERMAL BREAKS AND METHOD THEREFOR - A thermally-broken slidable panel frame assembly formed from a plurality of aluminum profile assemblies. The aluminum profile assemblies can include different shaped aluminum profiles that can be coupled together with thermal break strips. The aluminum profile assemblies, in turn, can be snap fitted together to form a complete frame assembly that can support slidable panels. The frame assembly can be integrated with other components to form a slidable panel system for sliding doors or windows or other slidable panels. The frame assembly is assembled from multiple individual components, providing for ease in setup and installation compared to previous implementations. | 2021-11-18 |
20210355746 | Solar Control Coatings With Quadruple Metallic Layers - A coated article includes a substrate, a first dielectric layer, a first metallic layer, a second dielectric layer, a second metallic layer, a third dielectric layer, a third metallic layer, a fourth dielectric layer, a fourth metallic layer and a fifth dielectric layer. At least one of the metallic layers is a discontinuous metallic layer having discontinuous metallic regions. An optional primer is positioned over any one of the metallic layers. Optionally a protective layer is provided as the outer most layer over the fifth dielectric layer. | 2021-11-18 |
20210355747 | HOLLOW ACRYLIC SOLID SURFACE SEAMLESS DOOR - A hollow man sized door includes a core and an acrylic outer surface. The acrylic outer surface is seamless and solid. Mounting brackets are selectively attached to the core. Hardware is attached to the door at locations of the mounting bracket. Scratches or damage may be buffed out of or wiped from the acrylic outer surface. | 2021-11-18 |
20210355748 | SYSTEMS AND METHODS FOR PROVIDING DOOR CLEARANCE MODIFICATION - A tire door clearance system is disclosed that includes a non-flammable material that is fastened at a first portion thereof on an inner side thereof to any of a door and door frame, and an intumescent material applied to the inner side of the non-flammable material at a second portion thereof. | 2021-11-18 |
20210355749 | HIGH PERFORMANCE ACOUSTIC DOOR - An acoustic door assembly having 1¾″ thickness, a sound transmission class (STC) rating greater than 50, UL10C 20-minute fire rating, and constructed without sheet metal or lead. In an embodiment, the door assembly includes a frame housing a decoupled internal core sandwiched between two mass-loaded vinyl outer faces. The internal core includes a multi-layering of low-density layers for absorbing high-frequency noise, damping layers of mass-loaded vinyl for absorbing low-frequency noise, and a flame-retardant layer. The outer faces are a multi-layered assembly coupled to a frame of the door assembly and in contact communication to the internal core, the outer faces having layers of mass-loaded vinyl, plywood, high-density fiberboard, and a veneer. | 2021-11-18 |
20210355750 | SEALING DEVICE FOR WINDOW AIR CONDITIONER AND WINDOW AIR CONDITIONER HAVING THE SAME - A sealing device for a window air conditioner includes a first adjusting member and a second adjusting member. The second adjusting member includes a sliding space. The first adjusting member extends into the sliding space. The second adjusting member is slidable relative to the first adjusting member. One of an outer peripheral wall of the first adjusting member and an inner wall of the sliding space includes a plurality of buckles spaced apart from one another along a moving direction of the second adjusting member. Another one of the outer peripheral wall of the first adjusting member and the inner wall of the sliding space includes an elastic protruding portion in switchable contact fit with the plurality of buckles during movement of the second adjusting member. | 2021-11-18 |
20210355751 | FLEXIBLE GUARD RAIL FOR TODDLER PROTECTION - The present invention provides a flexible and adjustable apparatus which is designed as a guard rail for toddler's protection. The apparatus comprising: an upper seat ( | 2021-11-18 |
20210355752 | SANITARY RETRACTABLE BARRIER SYSTEM - Sanitary barrier systems and methods for preventing transmission of biological substances and protecting human health are provided. A retractable barrier system may include a first supporting member and a barrier film. The first supporting member may comprise a first attachment element configured to position the barrier system vertically in use. The barrier film may have a fixed edge and a free edge, wherein the fixed edge is connected to the first supporting member. The barrier film is extendible to a desired length in a use configuration and retractable back on the first supporting member in a storage configuration. The barrier system may include a retracting mechanism such as a crank or a spring-loaded roller. The barrier film may comprise a sanitary portion. The barrier system may be combined with stanchions or queue barriers to protect individuals waiting in lines. The barrier system may also be used to provide barrier inside a multi-person vehicle. | 2021-11-18 |
20210355753 | ROLLER BLIND WITH HEAT INSULATION FUNCTION - Disclosed is a roller blind with a heat insulation function. The roller blind with a heat insulation function of the present disclosure includes a roller rotatably mounted in a frame, a heat insulation sheet configured to be wound and unwound on the roll, a plurality of tubular sheets attached to one surface of the heat insulation sheet and formed to have openings at both ends thereof, and a pair of rail members provided to extend in a direction in which the heat insulation sheet is unwound so as to block air from moving through the openings at both ends of the plurality of tubular sheets. According to the present disclosure, the roller blind with a heat insulation function is configured to effectively block heat in hot weather or cold in cold weather from being transferred to a room through a window. | 2021-11-18 |
20210355754 | DRAPE ELEMENT AND SELF-ALIGNING DRAPE ASSEMBLY - A drape element includes a sheet of flexible, non-magnetic material having opposed first and second longitudinal sheet edges, a longitudinal centerline toward which is defined an inward direction and away from which is defined an outward direction, and a first longitudinal pocket disposed proximate the first longitudinal sheet edge. A first straight magnetic wire is disposed in the longitudinal direction within an inward longitudinal portion of the first longitudinal pocket, and a first alternating sequence of magnets and non-magnetic spacers is disposed within an outward longitudinal portion of the first longitudinal pocket. Each of the magnets has opposed first and second magnetic poles, with a respective first magnetic pole of each of the magnets being disposed in contact with the first straight magnetic wire. | 2021-11-18 |
20210355755 | PASSAGE BARRIER AND METHOD FOR PRODUCING A PASSAGE BARRIER - A passage barrier has guide elements, the first guide element and the second guide element cooperate such that they define a gate region, through which a person passes from an entrance region into a passage region. At least one guide element includes a vertically running profile, on which a locking apparatus is arranged. The locking apparatus has a torque transmission toothing, which engages into a complementary torque reception toothing of the hollow shaft, wherein a circular stop disc is disposed, which has a toothing engagement, which is engaged with the torque transmission toothing. The stop disc has on its stop disc circumferential surface a stop lug, which protrudes radially from the stop disc circumferential surface, and cooperates with a stop element arranged on the vertically running profile such that a rotation of the stop disc is delimited by the stopping of the stop lug against the stop element. | 2021-11-18 |
20210355756 | PASSAGE BARRIER - A passage barrier includes a first guide element and a second guide element, wherein the first guide element and the second guide element define a gate region, through which a person passes from an entrance region into a passage region. At least one barrier element can prevent and/or enable the passage of a person from the entrance region into the passage region within the gate region. At least one of the guide elements includes a profile attachment element for attaching at least one profile of a guide element to the base of a building structure, wherein the profile attachment element has a vertical profile mount for mounting a vertically running profile on the profile attachment element and the profile attachment element has a horizontal profile feedthrough for feeding a horizontally running profile through the profile attachment element. | 2021-11-18 |
20210355757 | EXECUTING MECHANISM FOR ROTARY GUIDE DEVICE AND ROTARY GUIDE DEVICE - The present application provides an executing mechanism for a rotary guide device and the rotary guide device. The executing mechanism includes a driving valve core, a driven valve core, a first cavity, a second cavity and a high-pressure slurry driving channel, wherein the first cavity includes a first low-pressure port communicating with low-pressure slurry; the first cavity further includes a first high-pressure port communicating with high-pressure slurry; the driving valve core optionally opens and closes the first low-pressure port and the first high-pressure port to adjust a pressure in the first cavity; two sides of the driven valve core are respectively adjacent to the first cavity and the second cavity; the driven valve core moves in response to a pressure difference between the first cavity and the second cavity; the driven valve core is connected to the high-pressure slurry driving channel; and the high-pressure slurry driving channel switches between an open state and a close state in response to movement of the driven valve core. The executing mechanism according to the present application can effectively reduce the power consumption of a system on the basis of increasing response speed through the linkage action of the driving valve core and the driven valve core. | 2021-11-18 |
20210355758 | DRILLING RIG SYSTEMS AND METHODS - A drilling rig system includes a drilling rig having a floor which is generally planar, and a utility vehicle having a base, a drive apparatus, and a ground engaging motive apparatus upon which the base is supported on the floor. The drive apparatus drives the ground engaging motive apparatus to move the utility vehicle across the floor. The ground engaging motive apparatus is drivable so as to change a direction of travel of the utility vehicle at any point on the floor. | 2021-11-18 |
20210355759 | WIRED PIPE AND METHOD FOR MAKING - A method for making a wired drill pipe joint includes forming an electrically conductive material into a structure that is radially expandable to conform to an interior of the pipe joint substantially without plastic deformation of the electrically conductive material. An electrical connector is coupled to each longitudinal end of the formed electrically conductive material to form an electrical conductor assembly. An interior of the pipe joint is coated with an electrically insulating material. The electrical conductor assembly is inserted into the pipe joint. The electrically conductive material is radially expanded to conform to an interior surface of the pipe joint wherein a bonding material is applied to the interior wall of the pipe joint. | 2021-11-18 |
20210355760 | SLIDING STANDOFF ASSEMBLY - Embodiments of the present invention disclose a standoff assembly for a sucker rod used for sucker rod pumps. The assembly includes an annulus body, a hole that passes through the annulus body, the hole configured to permit a sucker rod to translate through the hole, a sliding material component located along the surface of the hole, and a temporary component; wherein upon elimination of the temporary component, the sliding material component interacts with the sucker rod to reduce sliding friction as the sucker rod translates through the assembly. | 2021-11-18 |
20210355761 | WELL INVENTION APPARATUS AND METHOD - Well intervention apparatus is provided, the well intervention apparatus including a flexible hose to be lowered into a well, a stuffing seal which engages around the hose during lowering, at least one tool provided at a downhole end portion of the hose, and a plurality of individual tubes extending along an inside region of the hose and connecting to the at least one tool, each individual tube providing a fluid path for fluid communication between outside of the well and the at least one tool inside the well, and each individual tube being laterally supported in said inside region such that its lateral movement is restricted. | 2021-11-18 |
20210355762 | HYDRO-PNEUMATIC CYLINDER WITH ANNULUS FLUID BYPASS - Systems and methods for pressure communication within a hydro-pneumatic cylinder are provided. The hydro-pneumatic cylinder generally includes a rod, a barrel coaxial to the rod, and a piston assembly disposed within the barrel and connected to the rod. The barrel is hollow to define a chamber, and the piston assembly is axially movable within the chamber to stroke the rod relative to the barrel. The hydro-pneumatic cylinder includes: a flow path formed axially through the rod of the cylinder. This flow path may allow for pressure communication between a low-pressure side of the cylinder and a pressure energized lower pin located at a distal end of the rod. The lower pin may be actuated, via this pressure communication to secure the end of the cylinder to a tension ring on a riser. | 2021-11-18 |
20210355763 | DRILLING RIG WITH DRAWWORKS PROXIMATE TO THE OPERATING SIDE OF THE MAST - Some embodiments may include a drilling rig comprising base structure; a hoisting device to raise drill pipe into a position in which the drill pipe is aligned with a bore axis of a well, the hoisting device connected to the base structure and including a hoisting cable and a mast, the mast having an operating side and a back side opposite the operating side, wherein the operating side of the mast is configured to accept the drill pipe; and a drawworks operatively connected to the mast via the hoisting cable, wherein the drawworks is closer to the operating side of the mast than to the back side of the mast. Other embodiments may be disclosed and/or claimed. | 2021-11-18 |
20210355764 | AXIAL-LOAD-ACTUATED ROTARY LATCH RELEASE MECHANISMS FOR CASING RUNNING TOOLS - A rotary latch release mechanism includes axially-aligned upper and lower rotary latch components carried on and rotationally coupled to upper and lower latch assemblies, respectively. The latch release mechanism is movable from an axially-latched position to an axially-unlatched position in response to relative rotation between the upper and lower rotary latch components. The latch release mechanism has a movable land surface that acts in response to relative axial displacement, to induce the relative rotation required to release the latch. The latch release mechanism may be configured such that the axial movement of the movable land surface will cause the relative axial movement required to release the latch in combination with the required rotation. Accordingly, the rotary latch mechanism operates in response to externally-controlled axial movement of a movable land surface carried by the latch release mechanism, without requiring externally-induced rotation. | 2021-11-18 |
20210355765 | TUBULAR STRING MAKE-UP METHODS UTILIZING IMAGE PROCESSING - A method of making-up tubular string components can include inputting to an image processor image data output from at least one camera, the image processor in response detecting positions of a tubular and a mark on another tubular, threading the tubulars with each other while inputting position data from the image processor to a controller, and the controller terminating the threading in response to the position of the mark relative to the position of the first tubular being within a predetermined range. Another method of making-up tubular string components can include, in response to inputting image data to an image processor, the image processor detecting longitudinal positions of two tubulars, threading the tubulars with each other, and a controller terminating the threading in response to the longitudinal position of one tubular relative to the longitudinal position of the other tubular being within a predetermined range. | 2021-11-18 |
20210355766 | RISER TOOLS AND METHODS - Torque tool ( | 2021-11-18 |
20210355767 | AUTOMATED DRILL BIT CHANGER - A drill bit changer system for a drill rig includes a drill bit storage holder rotatably and pivotally mounted to the drill rig and a plurality of bit holder assemblies located within the drill bit storage holder. Each bit holder assembly includes a receptacle, wherein the plurality of bit holder assemblies are arranged to receive a drill bit in each receptacle. The drill bit storage holder is pivotally connected between a stowed position and an engaged position in which the drill bit is positioned at a drill string of the drill rig, wherein the drill bit storage holder is further indexable to present a respective receptacle at the drill string such that the drill bit is added or removed from the drill string. A method of changing a drill bit is also disclosed. | 2021-11-18 |
20210355768 | SAFE STAB AND SELF-ALIGNING COILED TUBING APPARATUS - The present invention pertains novel coil tubing units and methods of stabbing. The coiled tubing unit has a tubing reel; a tubing guide operably connected to the tubing reel; and an injector operably connected to the tubing guide. The injector is configured to move toward or away from the tubing reel. This advantageously allows for more convenient, effective, and/or potentially safer stabbing methods to be employed. | 2021-11-18 |
20210355769 | POLISH ROD LEVELING ASSEMBLY - A leveling assembly that is capable of lubrication without separating the individual leveling plates. The leveling assembly comprising: a first plate having a convex curved surface having a curvature, the first plate defining a central bore therethrough; a second plate having a concave curved surface shaped to mate with the convex curved surface; the second plate defining a central bore therethrough. One of the first or second plates defines a lubrication passageway extending from a first opening on an exterior surface thereof to a second opening on the curved surface, and a lubrication groove extending from the second opening to the central bore of the plate with the lubrication passageway. | 2021-11-18 |
20210355770 | GAS TIGHT SHALE SHAKER FOR ENHANCED DRILLING FLUID RECOVERY AND DRILLED SOLIDS WASHING - A gas tight shale shaker for enhanced drilling fluid recovery and drilled solids washing. A process and apparatus for liquid phase-solid phase separation of oil base drilling mud-containing drill cuttings is described including flowing the drilling mud-containing drill cuttings over a vibrating screen bed to cause a least a portion of the drilling mud to pass through the screen bed and the drill cuttings to remain on the screen bed. A diluent is added to the oil base drilling mud containing drill cuttings prior to flowing the drilling mud containing drill cutting over the screen bed. The entire process is performed in a gas-tight environment preventing escape of diluent from the process into the external atmosphere and preventing introduction of gases into the process from the external atmosphere. | 2021-11-18 |
20210355771 | MANAGING GAS BUBBLE MIGRATION IN A DOWNHOLE LIQUID - Gas bubble migration can be managed in liquids. In one example, a system can execute wellbore-simulation software to simulate changes in gas dissolution in a liquid over time. This may involve dividing the wellbore into segments spanning from the well surface to the downhole location, each segment spanning a respective depth increment between the well surface and the downhole location. Next, for each time, the system can determine a respective multiphase-flow regime associated with each segment of the plurality of segments based on a simulated pressure level, a simulated temperature, a simulated pipe eccentricity, and a simulated fluid velocity at the segment. The system can also determine how much of the gas is dissolved in the liquid at each segment based on the respective multiphase-flow regime at the segment. The system can display a graphical user interface representing the gas dissolution in the liquid over time. | 2021-11-18 |
20210355772 | WELL CONTROL SYSTEM HAVING ONE OR MORE ADJUSTABLE ORIFICE CHOKE VALVES AND METHOD - A well drilling system is provided that includes a choke manifold and a controller. The choke manifold includes at least one choke valve. The choke valve is actuable between fully open and closed choke positions. The choke valve has a Cv value for each choke position. The controller is in communication with the choke valve and a non-transitory memory storing instructions. The instructions relate Cv values to choke positions for the choke valve. The instructions when executed cause the controller to: a) determine a difference in pressure (ΔP); b) input or determine a density value; c) input or determine a Q value; d) determine a first Cv value using the ΔP, the density value, and the Q value; and e) actuate the choke valve to a first choke position associated with the first Cv value. | 2021-11-18 |
20210355773 | SINGLE USE SETTING TOOL FOR ACTUATING A TOOL IN A WELLBORE - A single use setting tool and associated method for actuating a tool in a wellbore may include an inner piston having a piston proximal end, a piston distal end, and a piston annular wall that defines a piston cavity. The setting tool may include a gas-generating power charge positioned within the piston cavity. The power charge may extend along a longitudinal axis from a proximal end to a distal end and have at least two different widths along its length. The power charge may further include a tapered portion. The setting tool may further include a piston extension connected to the piston distal end. The inner piston may further include a shear element groove circumferentially extending in an outer surface of the inner piston, for receiving a shear element. | 2021-11-18 |
20210355774 | DOWNHOLE TRACTOR WITH BI-DIRECTIONAL WHEEL ASSEMBLY - A downhole tractor for operational use in well casing of a wellbore. The tractor comprising a tractor body, at least one actuator assembly, and at least one tractor wheel. The actuator assembly is actionable to shift the axis of rotation of the tractor wheel. The at least one tractor wheel includes at least one bifurcated tract having a leading and trailing edge for engaging the well casing. The at least one actuator assembly causes the at least one tractor wheel to switch from traversing a first vertical plane of the well casing to a second vertical plane of the well casing when actuated. | 2021-11-18 |
20210355775 | DISPOSABLE SETTING TOOL FOR WELLBORE OPERATIONS - A disposable setting tool includes a housing having a first end, a second end, and an intermediate portion having an outer surface and an inner surface defining a passage. A piston assembly is arranged in the passage. The piston assembly including a first piston portion and a second piston portion that extends axially outwardly of the second end of the housing. The first piston portion includes a first end portion, a second end portion, and an intermediate section having an outer surface portion and an inner surface portion that extends between the first end portion and the second end portion. The inner surface portion defines a pressure passage. An atmospheric chamber is defined between the inner surface of the housing and the outer surface portion of the piston assembly. | 2021-11-18 |
20210355776 | DOWNHOLE APPARATUS - A downhole apparatus comprises a casing string with a frangible disk positioned therein. A flow barrier is connected in the casing string and spaced downwardly from the frangible disk. The frangible disk and the flow barrier define a buoyancy chamber. The sliding sleeve will impact and shatter the frangible disk into a plurality of pieces that will pass downwardly in the casing after the casing has been lowered to a desired depth. | 2021-11-18 |
20210355777 | SINGLE ACTING SNAP RING GUIDE - A string guide comprising an upper mandrel, a lower muleshoe guide concentric to a lower portion of the upper mandrel, and an annular fastener internal to the lower muleshoe guide that fastens the lower muleshoe guide to the upper mandrel. When the guide encounters an obstruction (e.g., a packer bore or liner top), the weight of equipment above the lower muleshoe guide elastically deforms the annular fastener which drives the lower muleshoe guide up the upper mandrel. As the lower muleshoe guide travels up the upper mandrel, internal lugs of the muleshoe guide ride a spiral groove on the upper mandrel to rotate the lower muleshoe guide around the upper mandrel. | 2021-11-18 |
20210355778 | Improvements In Or Relating To Well Abandonment and Slot Recovery - A method and apparatus for casing recovery in which a clean-up of the inside of the outer casing above the inner casing is performed on the same trip in the wellbore as cutting and pulling a section of the inner casing. A bottom hole assembly including a spear, a casing cutter and at least one clean-up tool is described. An embodiment of a clean-up tool being a jetting sub which can jet fluid radially to wash the outer casing and selectively allow fluid to pass through the sub at different pressures is described. The jetting sub can be used to control operation of other tools in the bottom hole assembly such as the casing cutter and a hydraulic jack. | 2021-11-18 |
20210355779 | Degradable Plug Device For A Pipe - A degradable plug device for a pipe has an outer plug body and an inner plug for preventing fluid flow through the pipe until the inner plug has been removed from the outer plug body. The outer plug body and the inner plug are of a degradable material. The inner plug has a chamber with at least one port to the exterior of the inner plug. The exposed surfaces of the degradable plug have a protective layer thereon. The inner plug is disposable in at least a first position, in which the inner plug prevents the fluid flow through the pipe. The inner plug is adapted to undergo, in use, a degradation initiation operation such that fluid is able to enter the chamber via the at least one port to initiate corrosion or dissolution of the inner plug from inside the chamber. | 2021-11-18 |
20210355780 | SYSTEM AND METHOD FOR SEALING A TUBING STRING - A sealing tool for sealing a tubing string at a predetermined location, the sealing tool having a prong assembly and a plug assembly, each of which includes a cavity configured to capture and retain debris, and the plug assembly including at least one equalization hole for fluid communication through the plug when unobstructed by the prong. | 2021-11-18 |
20210355781 | BRIDGE PLUG WITH MULTIPLE SEALING ELEMENTS - Included are bridge plugs and methods and systems for the use and deployment of the bridge plugs. An example bridge plug comprises a first sealing element, a second sealing element, and a spacer; wherein the spacer is disposed between the first sealing element and the second sealing element; wherein the first sealing element and the second sealing element are not adjacent to one another. | 2021-11-18 |
20210355782 | STAGE CEMENTING AN ANNULUS OF A WELLBORE - A stage cementing tool includes a housing configured to couple to a casing and having a central bore therethrough, a first plurality of ports arranged on a radial surface of the housing and configured to fluidly connect the central bore and an annulus of a wellbore, a second plurality of ports arranged on the radial surface of the housing uphole of the first plurality of ports and configured to fluidly connect the central bore and the annulus of the wellbore, an expandable element coupled to the housing between the first plurality of ports and the second plurality of ports, and a sleeve. The sleeve is moveable from a first position on the housing to a second position on the housing to fluidly disconnect the central bore and the annulus through the first plurality of ports and fluidly connect the central bore and the annulus through the second plurality of ports. | 2021-11-18 |
20210355783 | METHOD AND APPARATUS FOR CEMENTING A CASING IN A WELLBORE - A method of cementing a casing in a wellbore extending from an Earth's surface into a subsurface includes providing a tube having a bi-frustoconical shape. The bi-frustoconical shape is defined by an upper tube part having an inverted frustoconical shape, a lower tube part having a frustoconical shape, and a waist intermediate between the upper tube part and the lower tube part. The tube is positioned in an annulus formed between the casing and a wall of the wellbore from a surface opening of the annulus. The tube is urged in a direction down the annulus and along the casing until the tube lands on a collar radially projecting from an outer surface of the casing into the annulus. | 2021-11-18 |
20210355784 | HYDRAULIC FRACTURING PLAN AND EXECUTION OF SAME - A hydraulic fracturing plan executable by a hydraulic fracturing system to hydraulically fracture a plurality of oil and gas wells. | 2021-11-18 |
20210355785 | Smart Choke Valve to Regulate Well Sand Production - A choke valve system operable to obtain sand production measurements from a sand production sensor, compare the sand production measurements to a target sand production range for a current setting of a choke valve, and, in response to determining that the sand production measurements are outside of the target sand production range, adjust the setting of the choke valve in an effort to bring the sand production of the well into a target sand production range, and generate an alert regarding the out of range sand production measurements and the corresponding adjustment of the choke valve. | 2021-11-18 |
20210355786 | PRESSURE BLEED-OFF MODULE FOR OIL AND GAS WELLS - A pressure bleed-off module for an oil well includes: an inlet receiving fluid from an annulus vent of the well; an outlet sending the received fluid to a kill valve of the well; and two paths coupled in parallel between the inlet and the outlet. Each path channels a flow of the received fluid from the inlet to the outlet and includes: a pressure relief valve dividing the path into an inlet side coupled to the inlet and an outlet side coupled to the outlet, opening when the pressure of the fluid in the inlet side exceeds a threshold, and closing when the inlet fluid pressure is below the threshold; pressure gauges measuring the inlet fluid pressure and the pressure of the fluid in the outlet side; a pressure recorder recording the measured inlet and outlet fluid pressures; and a sampling point for draining the fluid in the outlet side. | 2021-11-18 |
20210355787 | ADJUSTING THE ZONAL ALLOCATION OF AN INJECTION WELL WITH NO MOVING PARTS AND NO INTERVENTION - A downhole, interventionless system and method of controlling fluid flow from a tubular string into isolated zones of a wellbore annulus utilizing fluidic devices having different flow restriction characteristics. In an embodiment, the system includes multiple fluidic devices positioned on a work string in fluidically isolated zones of a wellbore. Each fluidic device is configured with a different flow restriction characteristic that results in a different flow rate response when a working fluid having a particular initial fluidic property is introduced into the fluidic devices. By altering the initial fluidic property of the working fluid, the flow rate from the work string into the corresponding isolated zone may be adjusted and optimally controlled without the need for additional manipulation of the fluidic devices. | 2021-11-18 |
20210355788 | Downhole Sleeve Tool - A downhole sleeve tool is provided that includes a lower sub defining a bore and one or more sleeve ports therethrough. There is a piston valve movably positionable within the lower sub to selectively block communication between the bore and the one or more sleeve ports. There is an upper sub connectable to the lower sub and sharing another bore therewith. The upper sub has an inlet port, one or more communication ports, and an outlet port. There is an at least one cartridge assembly disposed in a cartridge bore formed in a wall of the upper sub. | 2021-11-18 |
20210355789 | DOWNHOLE ISOLATION VALVES WITH PRESSURE RELIEF - The present disclosure generally relates to a flapper valve including a pressure relief assembly. The pressure relief assembly is operable to activate when a pressure differential across the flapper approaches or exceeds a design pressure of the flapper. | 2021-11-18 |
20210355790 | Intelligent Completion of a Multilateral Wellbore with a Wired Smart Well in the Main Bore and with a Wireless Electronic Flow Control Node in a Lateral Wellbore - A completion assembly to aid in fluid control in a multi-lateral wellbore includes a plurality of sand screen assemblies, each sand screen assembly having a wireless adjustable electronic flow control node disposed along a sand screen base pipe to control fluid flow between the sand screen assembly and the wellbore annulus. Each electronic flow control node includes a valve that can be adjusted by an electric actuator powered by a power harvesting mechanism disposed in a flow path of the completion assembly. A wireless transmitter receives a control signal to control the electric actuator, opening or closing the valve to control flow in the lateral wellbore. A wired controller in the main wellbore is disposed for transmitting wireless signals across a junction assembly in the wellbore to the sand screen assembly electronic flow control nodes. | 2021-11-18 |
20210355791 | SYSTEM AND PROCESS FOR GEOLOGICAL SEQUESTRATION OF CARBON-CONTAINING MATERIALS - This disclosure relates to a method and a system for sequestering carbon-containing materials in underground wells. An example method includes: obtaining a material comprising a carbon-containing liquid; optionally testing the material for compatibility with an underground well; optionally adjusting a property of the material to improve the compatibility; and providing the material for injection into the underground well. | 2021-11-18 |
20210355792 | RETROFIT FLUID AND GAS PERMEABLE BARRIER FOR WELLBORE USE - A method for making a permeable filter in a wellbore includes introducing a spacer material comprising a plurality of solid particles to a rock formation penetrated by the wellbore. A binder material is introduced to the rock formation. The binder material is susceptible to change of state from liquid to solid. The state of the binder material is changed from liquid to solid, and a size of at least some of the plurality of particles of the spacer material is reduced. | 2021-11-18 |
20210355793 | Sand Screen System with Adhesive Bonding - A sand screen system includes a tubular. The tubular includes at least one through-port from an outer surface of the tubular to an inner surface of the tubular. Further, the sand screen system includes a filtering portion positioned over the at least one through-port on the outer surface of the tubular. A moldable material couples the filtering portion to the tubular. | 2021-11-18 |
20210355794 | Cluster Gun System - A method and apparatus for containing one or more shaped charges in a single plane, arrayed about the center axis of a gun body, and detonated from a single initiator in a shaped charge cluster assembly. | 2021-11-18 |
20210355795 | Crimped Attachment of End Fitting to Charge Tube - A method and apparatus for crimping a charge tube adapted to carry shaped charges to an end fitting for loading shaped charges into a perforating gun. | 2021-11-18 |
20210355796 | PROPELLANT CONTAINER FOR A PERFORATING GUN - A propellant container for a perforating gun includes a lower cap, one or more pieces of propellant positioned within the lower cap, wherein at least one of the one or more pieces of propellant defines one or more through-holes, and an upper cap matable with the lower cap to secure the one or more pieces of propellant within the lower cap. A filler material is present within interstitial spaces between the one or more pieces of propellant. | 2021-11-18 |
20210355797 | OUTWARDLY THREADLESS BULKHEAD FOR PERFORATING GUN - The disclosed embodiments include bulkheads for perforating guns and perforating gun assemblies. A bulkhead includes a threadless exterior surface that spans a length of a threaded connection of adjacent first and second perforating guns. The bulkhead also includes a first exterior groove having a first sealing element partially disposed in the first exterior groove. The bulkhead further includes a second exterior groove having a second sealing element partially disposed in the second exterior groove, where the first sealing element and the second sealing element are positioned around the threaded connection. | 2021-11-18 |
20210355798 | DETONATION CORD ALIGNMENT AND RETENTION - Provided is a detonation cord alignment apparatus. The detonation cord alignment apparatus, in accordance with one example, includes a detonation cord alignment housing having a detonation cord opening extending there through, and one or more protrusions extending inward from the detonation cord opening for linearly securing a detonation cord therein. | 2021-11-18 |
20210355799 | Wireless Electronic Flow Control Node Used In A Screen Joint With Shunts - A completion assembly having a wireless adjustable electronic flow control node disposed along the sand screen base pipe to control flow of a fluid through a shunt tube assembly adjacent a sand screen. Each electronic flow control node includes a valve that can be adjusted by an electric actuator powered by a power harvesting mechanism disposed in a flow path of the completion assembly. A wireless transmitter receives a control signal to control the electric actuator. The control signal may be transmitted to open or close a packing tube or a transport tube of the shunt tube assembly. | 2021-11-18 |
20210355800 | FRAC STACK WELL INTERVENTION - A fracturing system having rams for controlling flow through a fracturing tree is provided. In one embodiment, a well intervention method includes injecting fracturing fluid into a well through a bore of a frac stack coupled to a wellhead. The frac stack includes rams that can be moved between open and closed positions to control flow through the bore. The well intervention method also includes coupling a lubricator to the frac stack without a blowout preventer between the lubricator and the frac stack and lowering an intervention tool from the lubricator through the bore of the frac stack and into the well. Additional systems, devices, and methods for fracturing and intervention are also disclosed. | 2021-11-18 |
20210355801 | METHODS AND SYSTEMS FOR OPERATING A FLEET OF PUMPS - A system and method for operating a fleet of pumps for a turbine driven fracturing pump system used in hydraulic fracturing is disclosed. In an embodiment, a method of operating a fleet of pumps associated with a hydraulic fracturing system includes receiving a demand Hydraulic Horse Power (HHP) signal. The demand HHP signal may include the Horse Power (HP) required for the hydraulic fracturing system to operate and may include consideration for frictional and other losses. The method further includes operating all available pump units at a percentage of rating below Maximum Continuous Power (MCP) level, based at least in part on the demand HHP signal. Furthermore, the method may include receiving a signal for loss of power from one or more pump units. The method further includes operating one or more units at MCP level and operating one or more units at Maximum Intermittent Power (MIP) level to meet the demand HHP signal. | 2021-11-18 |
20210355802 | METHODS AND SYSTEMS FOR OPERATING A FLEET OF PUMPS - A system and method for operating a fleet of pumps for a turbine driven fracturing pump system used in hydraulic fracturing is disclosed. In an embodiment, a method of operating a fleet of pumps associated with a hydraulic fracturing system includes receiving a demand Hydraulic Horse Power (HHP) signal. The demand HHP signal may include the Horse Power (HP) required for the hydraulic fracturing system to operate and may include consideration for frictional and other losses. The method further includes operating all available pump units at a percentage of rating below Maximum Continuous Power (MCP) level, based at least in part on the demand HHP signal. Furthermore, the method may include receiving a signal for loss of power from one or more pump units. The method further includes operating one or more units at MCP level and operating one or more units at Maximum Intermittent Power (MIP) level to meet the demand HHP signal. | 2021-11-18 |
20210355803 | Multilateral Acid Stimulation Process - A main well bore is drilled. The main well bore is completed and stimulated. The main well bore is sealed. A lateral well bore is drilled off the main well bore. A junction that allows communication with the lateral well bore and that connects the main well bore is inserted. The lateral well bore is stimulated through the junction. The main well bore is unsealed, allowing comingled flow from the main bore and the lateral bore. | 2021-11-18 |
20210355804 | Explorative Sampling of Natural Mineral Resource Deposits - Methods and systems for improving mineral resource exploration and resource classification efficiency are provided herein. The generation and iterative, dynamic improvement of drill plans for sampling a target volume using drill holes is described. Methods and systems for the development and optimization of drill plans are able to accommodate a wide variety of constraints and targets, providing drill plans which aim to minimize the amount of explorative drilling while substantially converting unclassified sub-volumes, and in particular high-desirability sub-volumes, of the target volume to a specified or desired level while attempting to maximize targeted resource conversion efficiency. Resulting drill plans may provide a proposed collection of drill holes, defined in 3D space, penetrating the target volume which sufficiently sample a target volume while remaining within one or more specified constraints. | 2021-11-18 |
20210355805 | AI/ML BASED DRILLING AND PRODUCTION PLATFORM - A system for controlling operations of a drill in a well environment. The system comprises a predictive engine, a ML engine, a controller, and a secure, distributed storage network. The predictive engine receives a variables associated with surface and sub-surface sensors and predicts an earth model based on the variables, predictor variable(s), outcome variable(s), and relationships between the predictor variable(s) and the outcome variable(s). The predictive engine is also configured to predict a drill path(s) ahead of the drill based on using stochastic modeling, an outcome variable(s), the predicted earth model, and a drilling model(s). The controller is configured to generate a system response(s) based on the predicted drill path(s) and a current state of the drill. The ML engine stores the earth model, the drill path(s), and the variables in the distributed storage network, trains data, and creates the drilling model(s). | 2021-11-18 |
20210355806 | REAL-TIME CALIBRATION OF EXCITATION RANGING FOR TRACKING WELLBORE DRILLING - A method includes generating a ranging model of a drilling wellbore to be drilled and generating a predicted signal along measured depths of the drilling wellbore based on the ranging model. The method includes performing the following operations until the drilling wellbore has been drilled to a defined depth. The following operations include drilling, with a drill string, the drilling wellbore to an increment of the defined depth and detecting, by a sensor positioned on the drill string, an electromagnetic field emanating from a target wellbore. The following operations include determining ranging measurements to the target wellbore at the increment based on the electromagnetic field and calibrating the predicted signal based on the ranging measurements. The following operations include determining ranging accuracy for all deeper depths in the wellbore and making drilling decisions or adjusting drilling operations based on the predicted ranging accuracy for deeper depths. | 2021-11-18 |
20210355807 | SYSTEM AND METHOD FOR MONITORING ABANDONED SUBSEA WELLS WITH WET CHRISTMAS TREE - There is disclosed a system for monitoring abandoned subsea wells with a Wet Christmas Tree (WCT) comprising a Control Module to be installed on a modified abandonment cap and a Communication Module coupled beneath the ROV to perform the communication with the control system of the Control Module by way of an electric jumper and supply hydraulic power to the control system by way of an hydraulic jumper. The system is useful for wells with a VCM or three VCMs. In this case, the modified abandonment caps are used. The monitoring method of the abandoned subsea wells with WCT is also described. | 2021-11-18 |
20210355808 | THE METHOD OF CASING INTEGRITY ASSESSMENT IN THE INTERVAL WHERE A CEMENT PLUG IS TO BE INSTALLED IN A WELL PROPOSED FOR ABANDONMENT - This invention relates to the method of assessing the integrity of primary and secondary barriers in the interval where a cement plug is to be installed in the well proposed for abandonment. The technical result of the invention is to enhance the accuracy of wellbore barrier integrity assessment. The method of well integrity assessment below production packer, including inner and outer casings, tubing string and production packer installed inside the casing, and cement sheath and adjacent rocks, comprising the following phases: Identification of the target zone for cement plug installation; installation of a temporary cement plug below the target zone; pressure testing and assessment of tubing and below-packer zone integrity based on steady pressure data or pressure variation in time; creation of a perforation zone in casing and cement below production packer in the target zone; conducting a logging survey including noise, temperature, defectoscopy, and production logging in the target zone during a repeat pressure test; issuance of a findings report on casing and cement integrity and subsequent installation of a cement plug for well abandonment, including rigless operations or remedial cementing at designated locations where integrity failures have been identified on the basis of logging data. | 2021-11-18 |
20210355809 | COMPOSITIONS, SYSTEMS, AND METHODS FOR IRON SULFIDE SCALE IDENTIFICATION, PREVENTION, AND REDUCTION - Compositions and methods for prevention and reduction of iron sulfide scale formation, one method including detecting at least one component indicative of an iron sulfide scale precursor, the at least one component selected from the group consisting of: H | 2021-11-18 |
20210355810 | Wireless Load Cell Monitoring System and Method - A wireless load cell monitoring system and method may comprise a remote load cell assembly and a base station. Embodiments of the remote load cell assembly comprise a remote processor, a remote memory, a battery, a remote transceiver, an analog-to-digital converter, and a load cell. Embodiments of the base station comprise a base processor, a base memory, a base transceiver, and a digital-to-analog converter. Embodiments of the remote load cell assembly pair with the base station using a wireless communication protocol, read analog voltage data from the load cell, convert the load cell analog voltage data into digital load data, and transmit the digital load data to the base station. Embodiments of the base station convert the digital load data into analog voltage data and output the analog voltage data. | 2021-11-18 |
20210355811 | TILTING ENTRY GUIDE - An apparatus for miming production tubing string into a wellbore without rotating the production tubing string is disclosed. The apparatus is a muleshoe guide assembly utilizing a short coil spring to tilt a lower muleshoe guide into alignment with a packer bore or liner top. When the guide encounters an obstruction in the wellbore, the short coil spring will compress causing a lug to be driven into an angled milled slot causing the lower muleshoe guide to tilt inward. | 2021-11-18 |
20210355812 | MUD ANGLE DETERMINATION FOR ELECTROMAGNETIC IMAGER TOOLS - Aspects of the subject technology relate to systems and methods for identifying a mud angle associated with an electromagnetic imager tool based on tool measurements made during operation of the electromagnetic imager tool. Tool measurements made by an electromagnetic imager tool operating to log a wellbore in a formation can be gathered. The tool measurements can be decomposed into two quantities along a plurality of candidate mud angles for the electromagnetic imager tool. As follows, a mud angle associated with the electromagnetic imager tool can be identified from the plurality of candidate mud angles based on an amount of correlation between the two quantities for each of the plurality of candidate mud angles. | 2021-11-18 |
20210355813 | SYSTEMS AND METHODS OF DETERMINING PRESSURE WAVE EXPOSURE - A pressure dosimeter can include a body-mountable housing comprising a well having a first end portion open to the atmosphere, a second closed end portion, and a cavity. The dosimeter can include a membrane assembly disposed within the cavity, and a sealing member disposed within the cavity between the membrane assembly and the second end portion. The membrane assembly has a diameter less than a diameter of the cavity and a thickness less than a height of the cavity such that it can move within the cavity allowing air to pass around it and into the second end portion. When exposed to a pressure event the membrane assembly is urged against the sealing member, sealing the second end portion. The membrane will rupture at a selected overpressure threshold. | 2021-11-18 |
20210355814 | METHOD FOR ESTIMATING WELLBORE COMPRESSIBILITY - An apparatus includes a pressure sensor for measuring a pressure in a wellbore of a formation, a processor communicably coupled with the pressure sensor, and a machine-readable medium. The machine-readable medium has program code executable by the processor to cause the apparatus to obtain a set of measurements with the pressure sensor, determine an effective wellbore compressibility coefficient based on the set of measurements, and determine an effective wellbore diameter based on an initial wellbore diameter and the effective wellbore compressibility coefficient. | 2021-11-18 |
20210355815 | DEVICES, SYSTEMS, AND METHODS FOR SELECTIVELY ENGAGING DOWNHOLE TOOL FOR WELLBORE OPERATIONS - A device for wellbore operations is configured to self-determine its downhole location in a wellbore in real-time and to self-activate upon arrival at a preselected target location. The device determines its downhole location based on magnetic field and/or magnetic flux signals provided by an onboard three-axis magnetometer. The device optionally comprises one or more magnets. The magnetometer detects changes in magnetic field and/or magnetic flux caused by the device's proximity to or passage through various features in the wellbore. The device can self-activate to deploy an engagement mechanism to engage a target tool downhole from the target location. The engagement mechanism comprises a seal supported by two expandable support rings, each having a respective elliptical face for engagement with the elliptical face of the other support ring. | 2021-11-18 |
20210355816 | PERMANENT OR REMOVABLE POSITIONING APPARATUS AND METHOD FOR DOWNHOLE TOOL OPERATIONS - A location connector connects a first tubular to a second tubular, and includes a cylindrical main body extending at a longitudinal direction. An outer surface extends around a circumference of the main body, and an inner surface laces the central bore of the main body. A first connector, on a first end of the main body, is configured to attach to the first tubular. A second connector, on an opposite second end of the main body, is configured to attach to the second tubular. A female profile is provided on the inner surface. and includes a plurality of grooves for selective engagement with a discrete complementary profile comprising one or more protruding members of a downhole tool. Each of the grooves comprises a no-go shoulder that prevents movement of the tool in one direction, and each of the grooves permits clocking movement of the tool in an azimuthal direction. | 2021-11-18 |
20210355817 | DEVICE AND METHOD TO IMAGE FLOW IN OIL AND GAS WELLS USING PHASED ARRAY DOPPLER ULTRASOUND - A device and method for imaging, measuring and identifying multiphase fluid flow in wellbores using phased array Doppler ultrasound. The device includes a radially-configured or ring-shaped ultrasound transducer that when deployed in a well in Doppler mode can measure the velocity of radially flowing fluids in the wellbore and generate a 3D image of radial flow in the wellbore, including flowback into the wellbore after fracturing operations, or flow leaving the wellbore during water injection operations. The ring-shaped ultrasound transducer can also simultaneously operate in a B-mode to generate a B-mode image of the wellbore liner upon which the Doppler image can be overlaid. The device may also include a forward facing ultrasound transducer either instead of or in place of the ring-shaped transducer for obtaining information and images on axial flow in the wellbore in Doppler mode, and the location of phase boundaries and phase locations in B-mode. | 2021-11-18 |
20210355818 | DOWNHOLE BARRIER AND ISOLATION MONITORING SYSTEM - A status of an isolation barrier can be determined by comparing data collected by a sensor below the isolation barrier to data collected by a sensor above the isolation barrier. A sensor assembly can be coupled to an isolation barrier assembly downhole from the isolation barrier assembly for collecting data related to a characteristic of the wellbore. The sensor assembly can transmit the data collected to a tool positioned up-hole from the isolation barrier. The tool can transmit the data to a surface of the wellbore. The sensor assembly can be powered by a battery pack or via a connection to a downhole tool that supplies the power to the sensor assembly. The downhole tool that receives the data from the sensor assembly (and optionally provides power to the sensor assembly) can be inserted and removed from the wellbore over the lifetime of the well. | 2021-11-18 |
20210355819 | ONE WAY TELEMETRY FOR COMMUNICATION OF DOWNHOLE DATA TO THE SURFACE USING NUCLEIC ACID - Encoding downhole data in nucleic acid molecules provides increased speed accuracy in the communication of downhole data to the surface. Nucleic acid molecules can be coded with downhole data using a telemetry module that comprises a microfluidic system to perform an encoding process that encodes carrier nucleic acid molecules with substitute sequences or segments at specific locations that comprise retrieved or acquired downhole data. The encoded carrier nucleic acid molecules are injected into a downhole fluid that is circulated to the surface. Once the encoded carrier nucleic acid molecules reach the surface, the information can be decoded and analyzed. Each carrier nucleic acid molecule may be preconfigured with a header. The header may comprise information that allows N for ease in coding and recombining downhole data. | 2021-11-18 |
20210355820 | LOGGING ENCAPSULATED OPTICAL-FIBER DUCT CABLE AND MANUFACTURING METHOD THEREOF - The present invention discloses a logging encapsulated optical-fiber duct cable and a manufacturing method thereof. The encapsulated optical-fiber duct cable mainly comprises an external encapsulation layer. At least one armor tube is arranged in the encapsulation layer. An optical fiber protective tube is arranged in each armor tube. A filling layer is arranged in a space between the optical fiber protective tube and the armor tube. An optical fiber is arranged in the optical fiber protective tube. The manufacturing method mainly comprises four steps: pavement of the optical fiber and formation of the protective tube, formation of the filling layer, formation of the armor tube and formation of the encapsulation layer. The optical-fiber duct cable of the present invention has the advantages of large length, high strength, good temperature tolerance, small signal transmission loss, high transmission speed and synchronous transmission of multiple signals. | 2021-11-18 |
20210355821 | FULL DIGITAL DEVICE OF RECEIVING TRANSDUCER ARRAY OF ACOUSTIC LOGGING WHILE DRILLING INSTRUMENT - An acoustic while drilling receiving transducer array adopts a full-digital structure and a non-oil-filled rubber encapsulation arrangement mode, and the full-digital device of the acoustic while drilling receiving transducer array includes first modules, configured to carry out acoustic-to-electric conversion on weakly received acoustic signals of strata; second modules, configured to carry out amplification, filtering, gain control and digital-to-analog conversion on the weakly received acoustic signals; and a third module, configured to control interfaces of the device and convert external input and output signals. | 2021-11-18 |
20210355822 | GAMMA RAY SPECTRUM UNFOLDING METHOD FOR ELEMENTAL CAPTURE SPECTROSCOPY LOGGING AND DEVICE THEREFOR - A gamma ray spectrum unfolding method for elemental capture spectroscopy logging and a device therefor including the steps of first preprocessing the data obtained from an elemental capture spectrometry instrument; constructing a primary element group and an auxiliary element group according to the degree of interactions among the elements via theoretical analysis and numerical calculation of spectrum profiles, characteristic peak channels, and backgrounds of different elements; unfolding by using the least square method based on the construction of the primary element group and the auxiliary element group; and finally reconstructing the spectrum based on theory according to the yield of each element obtained by unfolding with the least square method, and comparing the measured gamma ray spectrum with the reconstructed gamma ray spectrum for error control, thereby improving the spectrum unfolding precision. | 2021-11-18 |
20210355823 | Borehole Gravity Analysis For Reservoir Management - Methods and systems of the present disclosure integrate time-lapse gravimetric data with dynamic reservoir modeling, whereby petrophysical constraints are applied to the inversion of the gravimetric data to constrain the resulting dynamic reservoir simulations. | 2021-11-18 |
20210355824 | METHOD OF ASSESSING AN OIL RECOVERY PROCESS - An in-situ method of assessing an oil recovery process from a subsurface reservoir includes the steps of accessing the subsurface reservoir by means of a vertical or horizontal well, conducting a first test to determine a residual oil saturation, and conducting a second test to determine in-situ emulsion formation. | 2021-11-18 |
20210355825 | PICK TOOL FOR ROAD MILLING - This disclosure relates to a pick tool suitable for road milling. The pick tool comprises a central axis, an impact tip and a support body, and the impact tip is joined to the support body at a non-planar interface. The non-planar interface comprises two co-axial and annular interface surfaces. | 2021-11-18 |
20210355826 | METHOD FOR RECOVERING ROOM-TYPE COAL PILLARS BY CEMENTED FILLING OF RESERVED ROADWAYS - Provided is a method for recovering room-type coal pillars by cemented filling of reserved roadways, which is especially suitable for safe and efficient recovery of left coal pillars in room-type mining faces in mining areas where the ecological system is fragile, such as in western China. In the method, by constructing reserved roadways in two adjacent rows of room-type goafs, excavating coal pillar roadways in room-type coal pillars, and finally interconnecting the reserved roadways with the coal pillar roadways to form a U-shaped working face, room-type left coal pillars are recovered. Thus, not only the workload of roadway excavation is reduced, but also the recovery ratio of the coal resources is maximized. The method provides a novel technical model for the recovery of room-type left coal pillars in mining areas, such as in western China. | 2021-11-18 |
20210355827 | TUNNEL LINING COMPOSED OF AT LEAST TWO CONCRETE ELEMENTS - The invention relates to a tunnel lining composed of at least two concrete elements ( | 2021-11-18 |
20210355828 | METHOD OF TREATING TUNNEL COLLAPSE WITH ROOF-CONTACTED SHIELD SUPPORT - A method of treating tunnel collapse includes mounting a shield plate, a column, a support column to form a combined support and moving the combined support onto an operation platform, lifting up the combined support, and enabling the height of canopy to be greater than the height of an initial supporting arch. Actively contacting a surface of a collapse cavity by a fixed support column and bearing a load, and lifting a movable support column to the top of the collapse cavity and bearing a load. Mounting an initial supporting arch, and welding the initial supporting arch with the support column. Removing a hydraulic prop after the support column contacting the initial supporting arch is cut off and the load of the shield plate is transferred to a supporting shed. Mounting an exhaust pipe and a filling material pumping pipe, and pumping a filling material into a collapse cavity space. | 2021-11-18 |
20210355829 | SAFETY APPARATUS - A safety apparatus for containing a release of energy from a tension stud of a rotor assembly, the safety apparatus includes an elongate member defining a longitudinal axis and at least two arms projecting away from the longitudinal axis of the elongate member. In use, in a first orientation, the elongate member is configured to be connected to a tool apparatus for applying a load energy to the tension stud and the at least two arms of the safety apparatus are configured to overlap with at least part of the tool apparatus in the direction of the longitudinal axis of the elongate member to contain the release of energy therebetween. | 2021-11-18 |
20210355830 | ROTOR DISC WITH AXIAL RETENTION OF THE BLADES, ASSEMBLY OF A DISC AND A RING, AND TURBOMACHINE - A rotor disc for a turbomachine, the disc extending circumferentially about an axis and including a plurality of cavities configured to receive blade roots, each cavity including a downstream radial wall configured to axially block the blade root in the cavity, each downstream radial wall including a channel of ventilation of the cavity, including an inlet orifice which opens into the cavity and an outlet orifice which opens onto a downstream surface of the disc. An assembly for a turbomachine including such a disc and an upstream retention ring and a turbomachine including such an assembly. | 2021-11-18 |
20210355831 | METAL MATRIX COMPOSITE TURBINE ROTOR COMPONENTS - Carbon fiber reinforced metal matrix composite turbine rotors include a planar carbon fiber structure encapsulated within a metal matrix formed of sintered metal nanoparticles. The metal nanoparticles can include a metal having a high sintering temperature that would ordinarily destroy the carbon fiber. Novel techniques for making small uniform nanoparticles for sintering lowers the sintering temperature to a level that can accommodate carbon fiber. The composite rotors possess high strength to weight ratio. | 2021-11-18 |
20210355832 | COOLING ASSEMBLY FOR A TURBINE ASSEMBLY - A cooling assembly comprises a coolant source chamber inside an airfoil that directs coolant inside the airfoil that extends between a hub end and a tip end that includes a tip body and tip rail along a radial length. A first body cooling chamber and a second body cooling chamber are disposed inside the tip body. The second body cooling chamber is positioned between the tip end and the first body cooling chamber. At least one of the first or second body cooling chambers are fluidly coupled with the coolant source chamber. The coolant source chamber directs the coolant into the first or second body cooling chambers. A rail cooling chamber disposed inside of the tip rail is fluidly coupled with the first or second body cooling chambers. The first or second body cooling chambers directs coolant out of the body cooling chambers and into the rail cooling chamber. | 2021-11-18 |
20210355833 | COMPOSITE AEROFOILS - A composite aerofoil may include an aerofoil body defining a leading edge and a trailing edge, wherein the body comprises a composite material including a plurality of relatively higher-modulus reinforcement elements, a plurality of relatively tougher polymer-based reinforcement elements, and a matrix material substantially encapsulating the plurality of relatively higher-modulus reinforcement elements and the plurality of relatively tougher polymer-based reinforcement elements. The plurality of relatively higher-modulus reinforcement elements are different from the plurality of relatively tougher polymer-based reinforcement elements. The disclosure also describes techniques for forming composite aerofoils. | 2021-11-18 |
20210355834 | AIRFOIL VANE WITH COATED JUMPER TUBE - An airfoil vane includes an outer ceramic wall that defines an airfoil section and a cavity that extends through the airfoil section. A jumper tube is disposed in the cavity for transferring cooling air. The jumper tube includes a wall, a through-passage circumscribed by the wall, and a thermal barrier coating disposed on the wall. | 2021-11-18 |
20210355835 | TURBINE SHROUD ASSEMBLY WITH DOVETAIL RETENTION SYSTEM - A turbine shroud assembly for use with a gas turbine engine includes a turbine outer case, a blade track segment, and a carrier. The turbine outer case is arranged circumferentially around an axis. The blade track segment includes an arcuate runner that extends circumferentially partway around the axis to define a gas path boundary of the turbine shroud assembly and an attachment feature that extends radially outward from the runner. The carrier is configured to couple the blade track segment to the turbine outer case. | 2021-11-18 |
20210355836 | RADIAL SEAL ARRANGEMENT - A seal assembly includes a rotating seal runner having an outer radial surface, and one or more rotationally stationary seal rings located radially outboard of the seal runner. Each seal ring has an inner radial surface, with the inner radial surface and the outer radial surface defining a sealing interface therebetween. An axially extending shape of the inner radial surface is selected utilizing a predicted shape of the outer radial surface at a selected operating condition of the seal assembly. | 2021-11-18 |
20210355837 | ENVIRONMENTAL BARRIER MULTI-PHASE ABRADABLE COATING - Disclosed is a multi-phase abradable coating including a ceramic matrix and a dislocator phase. | 2021-11-18 |
20210355838 | Substrate Edge Configurations for Ceramic Coatings - In a method for manufacturing an article, the article has a body having: a first face; and a first bevel surface extending from the first face. A plurality of first channels along the first bevel surface extending from the first face. A ceramic coating is along the inner diameter surface and the first bevel surface. Each of the first channels are machined in the body by plunging a rotating bit into the first surface and drawing the rotating bit down the bevel surface. The coating is thereafter applied. | 2021-11-18 |
20210355839 | COUNTER-ROTATING REVERSING ENERGY STORAGE TURBO MACHINE - Electrical energy storage is critical to increased adoption of renewable energy resources such as solar and wind power. Apparatuses, systems and methods are disclosed for storing electrical energy as thermal energy and retrieving electrical energy from the stored thermal energy on a large utility scale. | 2021-11-18 |
20210355840 | AIRCRAFT TURBINE ENGINE EQUIPPED WITH AN ELECTRICAL MACHINE - An aircraft turbine engine includes a gas generator and a fan arranged upstream from the gas generator and configured to generate a main gas flow, one portion of which flows in a flow path of the gas generator to form a primary flow, and another portion of which flows in a flow path around the gas generator to form a secondary flow. The gas generator includes a low-pressure compressor that includes a rotor driving the fan. The turbine engine further includes an electric machine. The electric machine includes a rotor rotated by the rotor of the low-pressure compressor, and a stator extending around the rotor of the electric machine and configured to be cooled by the primary flow. | 2021-11-18 |
20210355841 | STEAM TURBINE - A steam turbine includes an outer casing ( | 2021-11-18 |