Abstract: A technique facilitates control over flow of fluid in a variety of well applications and other applications. A flow control device is used to automatically control flow of fluids based on viscosity of the fluids. For example, the flow control device may be used to automatically allow flow of oil while blocking flow of gas and/or water. According to an embodiment, the flow control device comprises a production circuit and a metering circuit. The production circuit and the metering circuit cooperate to allow flow of a well fluid with a first viscosity and to block flow of well fluid when the well fluid has a different viscosity, e.g. relatively lower viscosity.

Abstract: A proppant container facilitates the transportation of wet sand for use in a hydraulic fracturing operation. The proppant container is provided with a system for dislodging the wet sand for subsequent use. This may be done by use of a vibrator or an umbrella valve. In another aspect, the proppant container may be used in combination with a rack having a wash system that slurries the proppant for delivery to a blender tub without necessarily resorting to use of a conveyor belt.

Abstract: A barrier plug assembly for sealing a subterranean wellbore is located inside a tubing and can comprise a frangible barrier element stacked on a carrier ring, a locking sleeve located above the carrier ring and located in a closed fluid chamber, a valve located on the closed fluid chamber and in pressure communication with the tubing, a retaining device configured for locking the a carrier ring in place, a crushing element located a distance below the frangible barrier element and configured for crushing the frangible barrier element. The valve can be configured for allowing or preventing fluid communication in between the tubing and the fluid chamber.

Abstract: One illustrative diverter valve disclosed herein includes a body with a primary flow path therethrough, first and second fluid flow galleries, first and second fluid outlets, a first sliding sleeve element and a second sliding sleeve element. The first and second sliding sleeve elements, respectively, include first and second internal flow bores, respectively, wherein each of the first and second sliding sleeve elements are adapted to be moved from a first closed position to a second open position, and vice-versa. In the first and second positions, respectively, the first sliding sleeve element blocks or does not block, respectively, fluid flow between the first internal flow bore and the first fluid flow gallery. In the first and second positions, respectively, the second sliding sleeve element blocks or does not block, respectively, fluid flow between the second internal flow bore and the second fluid flow gallery.

Abstract: A method and an assembly for heating and evaluating a formation of the Earth while drilling a wellbore filled with drilling mud are described. A first drilling mud temperature at a depth in the wellbore is received from a first sensor by a controller. The formation proximal to the depth is heated by a heat source mounted to the assembly to a temperature greater than a formation temperature as the drilling assembly drills the wellbore. A second drilling mud temperature is received from a second sensor by the controller. The heat source is positioned in between the first sensor and the second sensor. A difference between the first drilling mud temperature and the second drilling mud temperature is compared to a threshold drilling mud temperature difference value by the controller. Based on a result of the comparison, the drilling assembly is controlled and directed in the formation.

Abstract: A mobile robot is disclosed herein. The mobile robot may include a frame, a propulsion module, a navigation module designed to navigate the mobile robot along a target pathway, and a computational module. The mobile robot may obtain a composition reading of the drilling fluid and a pressure reading of the drilling fluid. The robot may determine, using the computational module, an additive to add to a drilling fluid reservoir based on the composition reading and the pressure reading. The mobile robot may then retrieve the additive from an inventory and deposit the additive into the drilling fluid reservoir.

Abstract: A well monitor for monitoring a downhole well condition. The well monitor comprises an electrical generator mounted to a tubing in the well, the generator comprising magnets and windings movable relative to one another by a pump rod received in the tubing. The monitor comprises an energy storage device electrically coupled to the generator for storing generated electrical energy. A vibration transducer is electrically coupled to the energy storage device. The well monitor comprises a controller for selectively powering the vibration transducer to produce a signal indicative of the well condition for transmission through the tubing.

Abstract: A method includes providing a lower platform block (300) including a first frame (315), a plurality of docking tubes (305) connected to the first frame, and a plurality of first conductor tubes (310) connected to the first frame. At least a first jacket connector block (400) including a second frame (415) and a plurality of second conductor tubes (405) connected to the second frame is releasably coupled to the lower platform block to align the second conductor tubes with the first conductor tubes. A platform deck block (500) including a third frame (515) defining a deck and a plurality of third conductor tubes (505) connected to the third frame is releasably coupled to the first jacket connector to align the third conductor tubes with the first conductor tubes.

Abstract: A liner hanger is used for deploying a liner into a wellbore. The liner hanger includes a tubular body having a first end and a second end. The first end can include a connection to a liner. The second end can include a sealed connection to an operational pipe. The sealed connection can be releasable. An expansion tool attached to a work string can be used for suspending the liner hanger into the wellbore. At least a portion of the expandable pipe is radially expanded using the expansion tool. The radial expansion of the expandable pipe can cause compression of at least one seal member against a base casing.

Abstract: Methods for producing hydrocarbons from subterranean reservoirs utilize a production well having a plurality of individually-actuatable fluid-inlet components that are spaced apart to define a plurality of production-well fluid-inlet zones. An injection fluid including a non-condensable gas (NCG) is injected into the reservoir, such that a drainage fluid including at least a portion of the NCG occupies the production-well fluid-inlet zones. The gas phase:liquid phase ratio of a production fluid is modulated by identifying at least one of the production-well fluid-inlet zones as having a gas content above a threshold and thus being a higher-gas zone, and actuating variations in pump speed and the flow states of the plurality of fluid-inlet components adjacent and corresponding to the higher-gas zone to prioritize hydraulic communication with a subset of the plurality of production-well fluid-inlet zones spaced apart from the higher-gas zone.

Abstract: A distributed control system for a well string includes a first control section configured to be positioned at a first location. The first control section includes a first control module configured to control a first device positioned at the first location, and the first control module includes a first electric actuator configured to control flow of a fluid to the first device based on a first control signal to control the first device. The distributed control system also includes a second control section configured to be positioned at a second location, remote from the first location. The second control section includes a second control module configured to control a second device positioned at the second location, and the second control module includes a second electric actuator configured to control flow of the fluid to the second device based on the second control signal to control the second device.

Abstract: An artificial lift system for a horizontal well deploys a downhole pump and flexible bladder reservoir chamber to be used with a conventional rod pump. The rod pump is used in the vertical at the top of the curve. The flexible bladder reservoir chamber is connected to the rod pump intake. The downhole pump is set in the producing formation and is connected to the reservoir chamber by tubing. The lift system uses a compressor drive system to operate the downhole pump to move fluids from the producing formation to the reservoir chamber. The reservoir chamber uses the flexible chamber bladder that is filled with well fluids by operation of the downhole pump to provide a continuous supply of well fluids to the rod pump intake. Operation of the rod pump lifts fluids from the flexible chamber bladder without regard to the operation state of the downhole pump.

Abstract: A well pump assembly has a tubular receptacle for attachment to a lower end of a string of production tubing. A docking station mounts to the receptacle, the docking station having a lower well fluid conduit for receiving well fluid from the well, a lower orientation guide, and a lower hydraulic connector. A hydraulic line extends alongside the receptacle and is in fluid communication with the lower hydraulic connector for supplying hydraulic fluid. A hydraulically actuated pump is configured to be lowered into and retrieved from the receptacle. A guide member on a lower end of the pump has an upper orientation guide, and an upper hydraulic connector in fluid communication with the pump, and an upper well fluid conduit leading to an intake of the pump.

Abstract: The present invention relates to methods for recovering hydrocarbons from subterranean formations. One such example embodiment injects a polymer solution into an upper layer of a subterranean formation and, likewise, injects an aqueous solution into a lower layer of the subterranean formation. Hydrocarbons displaced by at least one of the injected polymer and the injected aqueous solution are collected.

Abstract: A method of operations in a subterranean formation, including driving a pump with an electrically powered motor to pressurize fluid, inserting a tool into a wellbore that intersects the formation, and directing the pressurized fluid into the wellbore above the tool to push the tool into the wellbore.

Abstract: An illustrative modular manifold disclosed herein includes, among other things, a low-pressure manifold comprising a frac fluid outlet valve, wherein a fracturing fluid is adapted to be supplied from the low-pressure manifold via the frac fluid outlet valve to a suction side of a frac pump, and a high-pressure manifold comprising at least one frac fluid inlet valve, wherein the high-pressure manifold is adapted to receive, via the frac fluid inlet valve, a fracturing fluid discharged from the frac pump. In this example, the modular manifold also includes a support structure for mechanically supporting the low- and high-pressure manifolds and a plurality of height-adjustable support legs operatively coupled to the support structure.

Abstract: The present disclosure relates to a heat radiator and a turbo fracturing unit comprising the same. The heat radiator includes: a cabin; a heat radiation core disposed at the inlet and configured to allow a gas to pass therethrough; a gas guide device disposed at the outlet and configured to suction the air within the cabin to the outlet; and noise reduction core disposed within the cabin, which is of a structure progressively converging to the outlet. The heat radiator is configured to enable the gas to enter the cabin via the inlet, then sequentially pass through the heat radiation core, a surface of the noise reduction core and the gas guide device, and finally be discharged out of the cabin. The heat radiator according to the present disclosure is a suction-type heat radiator which can regulate the speed of the gas guide device based on the temperature of the gas at the inlet, thereby avoiding energy waste and unnecessary noise.

Abstract: A subsea separator vessels includes single machined blocks integrated into a hull so as to combine all the valves used in the process of separating the multiphase fluid in the interior of the blocks. The separator vessels have by-pass valves in their blocks, if necessary to interrupt the separation process. The blocks function as a structure for the separating vessels, thereby replacing all of the metal structure necessary to support the tubes and valves of a conventional manifold, thus reducing the total area occupied by the separation station in the seabed.

Abstract: Methods, systems, and storage media are presented for operating a drill string within a well. Exemplary implementations may: detect, using one or more sensors, data representing an analog control command sequence; analyze the analog control command sequence; determine that the control command sequence represents a command to change an operational mode of the drill string from a first operational mode to a second operational mode; and transmit a signal to an actuator of the drill string, the signal representing an electronic command to activate the actuator in such a way as to change the drill string from the first operational mode to the second operational mode. In some embodiments, the analog control sequence may comprise a predetermined sequence of rotational inputs, vibrational inputs, pressure inputs, or a combination thereof.

Abstract: A method for determining a plurality of saturation values is provided. The method accessing, by a computing device, data describing a plurality of fluid volume values associated with a reservoir, the plurality of fluid volume values include a plurality of cumulative water volume values and a plurality of cumulative hydrocarbon values, utilizing, by the computing device, the data describing the plurality of fluid volume values to generate ratio values associated with intervals corresponding to depth levels of the reservoir, generating, by the computing device, a fractional flow graphical representation including the ratio values associated with the intervals corresponding to the depth levels of the reservoir, utilizing, by the computing device, the fractional flow graphical representation including the ratio values to determine saturation values associated with the intervals corresponding to the depth levels of the reservoir, and generating a saturation graphical representation including the saturation values.

Abstract: A system for covering a sensitive component in a downhole string includes a sub section in the downhole string including a longitudinal axis and a reduced diameter portion along the longitudinal axis. The system also includes a guard element, arranged over the reduced diameter portion. The system further includes a mounting system adapted to axially couple the guard element to the sub section. The mounting system includes a pocket in one of the sub section and the guard element, the pocket including a shoulder. The mounting system also includes a threaded bore in the other of the sub section and the guard element, the threaded bore oriented at least partially parallel to the longitudinal axis of the sub section. The mounting system further includes a fastener engaging the threaded bore through the pocket and axially coupling the guard element to the sub section.

Abstract: An integrated well logging system includes an elongated stem portion configured to lower the well logging system into a hydrocarbon well, a multi-finger calipers for measuring the internal diameter of the annulus of the hydrocarbon well, the multi-finger calipers comprising a plurality of measuring arms, a first crossover configured to connect the stem portion to the multi-finger calipers, a static bottom hole pressure survey configured to measure the pressure at a location within the hydrocarbon well, the static bottom hole pressure survey comprising a plurality of memory gauges, and a second crossover configured to connect the multi-finger calipers to the static bottom hole pressure survey.

Abstract: Certain aspects and features relate to a system that determines a result or outcome of a diverter drop in terms of whether far field or near-wellbore bridging, plugging, or diversion has been achieved. The system can provide for real-time measurements and real-time decision making in terms of an optimized diverter to be used in a wellbore. A system for diverter diagnostics can includes a pressure sensor and a processing device communicatively coupled to the pressure sensor. A non-transitory memory device includes instructions that are executable by the processing device to measure an onset of diversion pressure response (DPR) waveform and output or store indications of a result or results of a diverter drop. These results can then be used to adjust a particle size distribution for the diverter.

Abstract: A system for locating a casing collar includes a drill pipe sub-assembly with a drill pipe segment and detection apparatus. The detection apparatus includes a bypass port disposed in a wall of the drill pipe segment; an annular sleeve which directs fluid through the bypass port and into a drill pipe segment interior portion; an actuator which opens and closes the bypass port; and two magnetized coils which generate an electromagnetic field. The actuator closes the bypass port in response to a predetermined voltage generated by the magnetized coils when they displace past a casing collar. Also included are a weight loss detection device which detects a loss of weight in the drill pipe segment, and a depth determination device which determines a depth of the casing collar, based on detected loss of weight. Also disclosed and described are a related method and drill pipe sub-assembly.

Abstract: A disclosed vibration monitoring method includes: processing sensor information downhole to detect one or more vibration modes; responsively updating a vibration mode state machine; communicating a current machine state to an uphole module; deriving from said current machine state at least a primary vibration mode and associated severity; and modifying at least one drilling parameter if the severity exceeds a threshold. A disclosed drilling system implementation includes: a drill string; a rig or other deployment device that conveys the drill string into a borehole using at least one controllable drilling parameter; one or more downhole sensors providing vibration-related signals; a downhole processor that operates on the vibration-related signals to detect one or more vibration modes and responsively updates a vibration mode state machine; and an uphole module that receives the current state from the downhole processor and derives from the current state at least a primary vibration mode and severity.

Abstract: An integrated data recorder may be positioned within a slot in a tool. The integrated data recorder includes a sensor package that includes one or more drilling dynamics sensors, a processor in data communication with the one or more drilling dynamics sensors, a memory module in data communication with the one or more drilling dynamics sensors, a wireless communications module in data communication with the processor, and an electrical energy source in electrical communication with the memory module, the one or more drilling dynamics sensors, and the processor.

Abstract: Detector device (10) mounts to a drilling rig (12) to sense sound or vibration signalled from downhole. The device (10) has a transmitter (10,20) to transmit data and/or an alert relating to sensed sound and/or vibration associated with deployment and/or positioning of a tool downhole. The device (10) recognises that one or more predetermined events or a pattern of events or one or more particular sound and/or vibration signatures occur(s). Downhole device (36) has a transmitter (38) transmitting a signal indicating a sensed pressure, position or motion change downhole. Communication between the downhole device and the device at the surface to determine depth or distance e.g. time of flight of a signal emitted by one device and the return signal from the other device or from the send and received times of the signal between the two devices based on their respective timers.

Abstract: A pressure pulse communication system and method during gas drilling are provided. The system includes a downhole solenoid valve module and a sensor module, where the downhole solenoid valve module includes a valve body, a gas inlet, a piston micro-hole, a moving piston, a piston return spring, a piston cylinder, a gas outlet, a piston pressure relief hole, a solenoid valve spring, a solenoid valve, a battery, a pressure balancer, and a rubber seal. The pressure pulse communication system and method generate pressure pulses by changing the internal pressure of a drill pipe, such that a surface pressure sensor continuously receives the pressure pulses, thereby achieving the purpose of acquiring downhole temperature, pressure, and well inclination angle data.

Abstract: A system for determining exploration potential ranking for petroleum plays according to some aspects receives geological survey data of a geographical area to be ranked for a future petroleum play. The system generates predicted values based on the geological survey data, each predicted value indicating a probability that a portion of the basin includes a first characteristic. A set of polygons that represent the basin may be generated based on the predicted values. Each polygon represents a contiguous portion of the basin that has a same predicted value. A basin is score is generated by: generating a score for each polygon using the predicted value; and aggregating the score of each polygon of the set of polygons into the basin score. The basin score is displayed for use displaying for use in determining an area in which drilling a wellbore would have a greater probability of success.

Abstract: A sensor node system for mapping hydraulic fractures may include a localization system that identifies location information of the sensor node device with respect to an area of interest in a rock formation. The location information may include various magnetization parameters indicative of various signal strengths surrounding the sensor node device. The sensor node device may include a transceiver that exchanges signals with a base station and at least one other sensor node device. The transceiver establishes a communication link between the base station and the sensor node device. The transceiver may monitor at least one other communication link between the at least one other sensor node device and the base station. The sensor node device may include a processor that identifies distance information based on the location information and a predetermined number of signals associated to the various signal strengths surrounding the sensor node device.

Abstract: A system, apparatus, and method for determining intact versus fractured rock zones based on performance monitoring of an electric drilling machine when drilling a blasthole. The determination can be based on a calculation of compensated blastability index (“CBI”) values using transformed performance monitoring data collected in real-time as the drilling machine drills the blasthole.

Abstract: A method of controlling a rotary engine is disclosed. The rotary engine includes a shroud surrounding a rotor. The rotor carries a combustion chamber spaced from an axis of rotation of the rotor. A pressure activated valve is located between the combustion chamber and obliquely arranged exhaust nozzles. An ECU controls the combustion cycle of the engine based on a signal from a pressure sensor in the combustion chamber. The electronic control responds to the pressure signal from the pressure sensor to open a fuel control valve, to fire a spark plug and cause combustion of the fuel within the combustion chamber, and to thereafter open an air control valve to purge the combustion chamber of exhaust gasses.

Abstract: A gas turbine engine includes a turbine section that has a plurality of turbine vanes. Each of the turbine vanes includes inner and outer platforms and an airfoil section that extends there between. The airfoil section is hollow and rib-less and has a first end at the outer platform and a second end at the inner platform. The airfoil section is tangentially bowed from the first end to the second end with a radius of curvature that is from 17 centimeters to 130 centimeters.

Abstract: A blade fabrication method is provided and includes additively manufacturing a core, securing the core to a mandrel, electroforming a leading edge sheath directly onto the core and the mandrel and removing the mandrel from the core and the leading edge sheath.

Abstract: A method of repairing a tip of an airfoil can comprise: removing a coating from the tip of the airfoil; preparing a repair area for bonding, the repair area including the tip and a portion of a concave side of the airfoil; applying an epoxy film and an abrasive component to the repair area; and bonding the epoxy film and the abrasive component to the repair area.

Abstract: A method of forming a passage in a turbine component includes: using an additive manufacturing process to form a first support structure on a first surface of the turbine component; forming a second support structure on a second surface of the turbine component, the second support structure being spaced apart from the first support structure; and forming a passage in the turbine component between the first and second support structures.

Abstract: A turbine blade including an airfoil portion having a leading edge, a trailing edge, and a pressure surface and a suction surface extending between the leading edge and the trailing edge. The airfoil portion internally forming a cooling passage, which includes first and second cooling passages, and a plurality of outflow passages each having one end which opens to a merging portion formed by connecting an end portion of the first cooling passage on a side of the trailing edge and an end portion of the second cooling passage on the side of the trailing edge, and another end which opens to the trailing edge. The first cooling passage and the second cooling passage are divided by a partition member disposed in the airfoil portion. The cooling passage includes pressure side pin fins in the first cooling passage, and suction side pin fins in the second cooling passage.

Abstract: A coolable component for a streaming engine providing an improved cooling, wherein the coolable component includes an outer wall providing an outer surface adapted to be in contact with a hot fluid like a hot gas stream used in the streaming engine or to be coated with a coating that is adapted to be in contact with the hot fluid, wherein the outer surface is at least partially curved. The coolable component includes at least one cooling channel inside the outer wall adapted to guide a cooling fluid through the cooling channel to cool the outer wall during operation of the streaming engine, wherein the cooling channel is adapted to provide a convection cooling of the outer surface.

Abstract: A tip shroud includes a pair of opposed, axially extending wings configured to couple to an airfoil at a radially outer end thereof. The tip shroud also includes a tip rail extending radially from the pair of opposed, axially extending wings. Tip shroud surface profiles may be of the downstream and/or upstream side of the tip rail, a leading Z-notch of the tip shroud, and/or downstream radially inner surface of a wing. The surface profiles may have a nominal profile substantially in accordance with at least part of Cartesian coordinate values of X and Y, and perhaps Z and a thickness, set forth in a respective table. The radially inner surface of the wing may define a protrusion extending along the radially outer end of the airfoil, the suction side fillet, and a radial inner surface of the wing to an axial edge of the wing.

Abstract: An outlet guide vane for a turbofan engine, which results in reduced noise. The outlet guide vane may comprise an aerofoil, the aerofoil comprising at least porous section, wherein the at least one channel or porous section is positioned near the leading edge of the aerofoil.

Abstract: An engine defining a longitudinal axis includes: a turbomachine; a fan drivingly coupled with the turbomachine, the fan being a forward thrust fan and having: a hub; a plurality of fan blades, the plurality of fan blades comprising a first fan blade; and a flapping hinge integrated into the first fan blade or coupled to the fan blade, at least a portion of the first fan blade moveable about the flapping hinge to define a variable angle with the longitudinal axis.

Abstract: A seal segment has an arcuate body having: a first end; a second end circumferentially opposite the first end; a first face; a second face axially opposite the first face; an inner diameter (ID) face; and an outer diameter (OD) face. The seal segment is shaped to interfit with a plurality of identical seal segments first end to second end to form a seal surrounding a central longitudinal axis. The first face has: a circumferential channel closer to the ID face than the OD face; and a plurality of channels extending from the circumferential channel to the OD face. The ID face has: a circumferential channel closer to the first face than the second face; and a plurality of channels extending from the circumferential channel to the second face. The ID face circumferential channel has an open end.

Abstract: Methods, apparatus, systems and articles of manufacture are disclosed to illustrate a clearance design process and strategy with CCA-ACC optimization for exhaust gas temperature (EGT) and performance improvement. In some examples, an apparatus includes a case surrounding at least part of a turbine engine, the at least part of the turbine engine including a turbine or a compressor. The apparatus further includes a first source to obtain external air; a second source to obtain cooled cooling air; a heat exchanger to control temperature of cooled cooling air; and a case cooler to provide active clearance control air to the case to control deflection of the case, wherein the active clearance control air is a combination of the external air and the cooled cooling air, the case cooler coupled to the heat exchanger using a first valve, the first valve triggered by a first control signal.

Abstract: A hydraulic fracturing system is disclosed as including a singular mobile platform of at least one mobile power unit (MPU) and at least one first switch gear that is configured to handle electric power from the MPU. The MPU is configured to generate voltage that matches the capabilities of an electrical bus from the at least one switch gear such that a combined electrical current generated as a result of the generated voltage and required load is provided to the electrical bus to the components of the hydraulic fracturing system. Further, the hydraulic fracturing system may include electrical fracturing equipment with at least one second switch gear to support the at least one first switch gear in handling electric power from the MPU. A datavan may be included in the system to control load shedding, load sharing, and power distribution for the electrical fracturing equipment comprising the at least one second switch gear.

Abstract: Provided is a gas turbine system that is used for a moving body including a thrust generator configured to generate thrust from electric power and includes: a compressor that compresses external air to generate compressed air; a combustor that burns the compressed air generated by the compressor together with fuel to generate a combustion gas; a turbine driven by the combustion gas generated by the combustor; a first generator that is coupled to the turbine to generate electric power by driving of the turbine and supplies electric power to the thrust generator; and a second generator that is arranged downstream of the turbine in a flow direction of a combustion gas and converts kinetic energy and/or thermal energy of a combustion gas that passed through the turbine into electric power.

Abstract: A differential pressure transducer provides measurements for determining the restriction, updated in real time, of an inlet barrier filter for a turboshaft engine of an aircraft. The percentage of restriction of the air inlet barrier filter, which corresponds to the condition of the air inlet barrier filter, is determined as a function of mass air flow into the engine during operation. The restriction percentage is indicated on the instrument panel of the rotorcraft.

Abstract: A turbine vane includes an airfoil that extends from an inner diameter to an outer diameter, and from a leading edge to a trailing edge. The turbine vane includes an inner platform coupled to the airfoil at the inner diameter. The turbine vane includes a cooling system defined in the airfoil including a first conduit in proximity to the leading edge to cool the leading edge and a second conduit to cool the trailing edge. The first conduit has an inlet at the outer diameter to receive a cooling fluid and an outlet portion that is defined at least partially through the inner platform. The first conduit includes a plurality of cooling features that extend from a first surface of the first conduit, and the first surface of the first conduit is opposite the leading edge.

Abstract: A turbine shroud assembly includes a carrier assembly, a blade track segment, and a retainer. The carrier assembly is arranged circumferentially at least partway around an axis and includes a fore carrier segment and an aft carrier segment coupled with the fore carrier. The blade track segment is supported by the carrier assembly to locate the blade track segment radially outward of the axis and define a portion of a gas path of the turbine shroud assembly. The retainer extends into the fore carrier segment, the blade track segment, and the aft carrier segment to couple the blade track segment with the carrier assembly.

Abstract: A unitized build assembly for a gas turbine engine includes an exhaust duct, a hot section with a locking structure and including a combustor and turbine section. The hot section at least partially circumferentially surrounds the exhaust duct. The build assembly includes a compressor section with an interface structure and is proximal to the hot section. The hot section at least partially circumferentially surrounds at least part of the compressor section and the locking structure is configured to engage the interface structure to limit movement of the hot section relative to the compressor section.

Abstract: Method for driving machines, in an ethylene plant steam generation circuit, the method including recovering heat as high pressure steam from a cracking furnace; providing said high pressure steam to at least one steam turbine, wherein the steam turbine is configured to drive a machine, such as a process compressor; condensing at least part of the high pressure steam in a condenser; pumping condensed steam as boiler feed water back to the cracking furnace.