Abstract: A system including a mineral extraction system, including a tubular with a fluid passage, a hydraulic connector system configured to couple to the tubular, the hydraulic connector system, including a hydraulic block configured to couple to one or more fluid lines, and a sleeve coupled to the hydraulic block and configured to move axially with respect to the hydraulic block to couple and uncouple the hydraulic connector system with the tubular.

Abstract: A method of injecting fluid into a formation, comprises exerting a mechanical force on a wall of a bore extending through a formation to modify the permeability of the formation; and injecting fluid into the modified formation. The mechanical force may be exerted through inflation of at least one pressure deformable member mounted on a base member. The base member may be a base pipe. The pressure deformable member may be a hollow or tubular member mounted externally of the base pipe. A plurality of pressure deformable members may be provided.

Abstract: A screen assembly can include a tracer retaining mechanism for retaining a tracer in an annular area defined between a screen portion and a base pipe. The tracer retaining mechanism can be coupled to the screen portion, the base pipe, or the tracer. The tracer retaining mechanism can allow fluid flow in and out of the annular area.

Abstract: An access device installs on a wellscreen joint during manufacture and allows access to one or more spaces or layers where tracer elements can be installed adjacent the joint's screen jacket (i.e., internal and/or external to the screen jacket). Portion of the access device is removable to allow installation of the tracer elements after the joint has been manufactured. With the tracer elements installed, the access device can be reassembled and locked in place. Any various mechanism can allow the access device to be partially removed, the tracer elements to be installed, and the access device to be reassembled in place. For example, an end ring holding the jacket on the basepipe can have at least one channel communicating with a space or layer for insertion of the tracer elements. A removable cover can be removed to allow access to the at least one channel and can be reattached for the wellscreen to be used downhole.

Abstract: An apparatus for restraining the movement of a gun charge holder within a gun tube including a snap ring with an alignment end that engages an end fitting and the gun tube simultaneously, the snap ring further comprising a grounding hole to facilitate the grounding of the electronics and detonation devices within the gun charge holder.

Abstract: A containment apparatus for protecting a surrounding environment from leaks originating from a stuffing box is provided. In some embodiments, the containment apparatus utilizes a float switch to switch off a pump associated with the stuffing box when the level of a liquid in the vessel exceeds a predetermined level. The switch can communicate ultrasonically with a receiver that relays a message to a user. In some embodiments, the vessel comprises two half vessels that are lined by a metal frame along there mating edges.

Abstract: A technique facilitates smart alarming, event detection, and/or event mitigation. The smart alarming may be achieved by, for example, automating detection processes and using advanced signal processing techniques. In some applications, event detection is enhanced by combining different alarms to facilitate diagnosis of a condition, e.g. a pump condition. The occurrence of certain unwanted events can be mitigated by automatically adjusting operation of a well system according to suitable protocols for a given event.

Abstract: There is provided processes for producing gaseous hydrocarbon material from a subterranean formation. A process includes hydraulically fracturing the subterranean formation such that a connecting fracture is generated that extends from a lower well to an upper well, and such that gaseous hydrocarbon material is received within the connecting fracture in response to the hydraulic fracturing. Another process includes stimulating the subterranean formation, when the formation already includes the connecting fracture extending from a lower well to an upper well, such that gaseous hydrocarbon material is received within the connecting fracture in response to the stimulating.

Abstract: The disclosed embodiments include a computer implemented method, apparatus, and computer program product that includes executable instructions that when executed performs operations for determining flow control device (FCD) properties for an injection well that yields uniform flooding along the production well.

Abstract: A method of heating a subsurface formation includes introducing a molten salt into a first passageway of a conduit-in-conduit heater at a first location. The molten salt is passed through the conduit-in-conduit heater in the formation to a second location. Heat transfers from the molten salt to a treatment area during passage of the molten salt through the conduit-in-conduit heater. The molten salt is removed from the conduit-in-conduit heater at a second location spaced away from the first location.

Abstract: The present disclosure relates, according to some embodiments, to apparatus, systems, and methods of fracturing a geological structure including the application of kinetic energy (e.g., from high velocity frack fluid) to a subterranean structure. In some embodiments, the present disclosure relates to apparatus, systems, and methods for delivery of high velocity fluid to a well using a down hole valve and/or throttling system. The present disclosure relates to apparatus, systems, and methods of generating pressure using accumulators (e.g., high pressure accumulators) at the surface of a well.

Abstract: Systems for stimulation of a formation include a variable frequency drive configured to receive and output medium voltage power and in communication with high pressure pump. A variable frequency drive actuates an electric motor associated with the high pressure pump, such that the pumps pressurizes a fracturing fluid, proppant, or combinations thereof for flowing the fracturing fluid, proppant, or combinations thereof into the formation.

Abstract: A method for pumping fluid at a wellhead is provided. The invented method will improve liquid removal by eliminating the need to transport liquid produced from a well to containment facilities using trucks or large diameter pipelines capable of accommodating periodic surges of a high volume of fluid. The danger that the liquid will freeze in cold weather is also addressed. The invention removes liquid from the well site through a small diameter pipeline as a continuous flow at a constant flow rate. An apparatus for removing liquid from the well site is also provided.

Abstract: A weighted intake member for a gas separator is mountable on a flow tube and defines an intake port. The weighted intake member includes a weight proximate the intake port. In a deviated well, gravity acting on the weight biases the weighted intake member toward an orientation in which the intake port faces a low side of the gas separation chamber of the gas separator. One end of the gas separator is for connection to a pump in a production well, and an opposite end of the gas separator body could carry a plug or a sub. The sub could be coupled to a section of production tubing or to a sump, and a plug or a check valve could be coupled to the sump. A sump could be provided in a gas separator with or without a weighted intake member. Related methods are also disclosed.

Abstract: A system includes a fluid injection system. The fluid injection system includes a rotary isobaric pressure exchanger (IPX) configured to receive a first fluid, to receive a second fluid extracted from a source well, to utilize the second fluid to pressurize the first fluid for injection into an injection well, and to inject the pressurized first fluid into the injection well.

Abstract: The invention provides a control system and method for limiting vibrations in a tool string system, comprising a relatively heavy rotatable device, such as a pump system or a bottom hole assembly, connected to a long rotatable tool string driven by a drive system. The control system comprises feedback of both torque and rotational speed signals to correct the set rotational speed. An objective is to maintain the drive speed over torque ratio equal to the connected tool string impedance. A secondary objective, for lower frequencies, is to approach and maintain a setpoint speed as drive rotation speed. The system may include a rotational speed sensor and a torque sensor, with the latter optionally replaced by a motor torque signal already available from a variable frequency drive (VFD) for an AC motor and the current safeguarding signal for a DC motor.

Abstract: Techniques for controlling a bottom hole assembly (BHA) in a wellbore include determining a model of BHA dynamics; determining a predicted wellbore trajectory, based on the model of BHA dynamics; and determining an uncertainty of the predicted wellbore trajectory.

Abstract: This disclosure is related to real-time calibration of drilling modeling programs and to the estimation of pipe stretch to perform corrections for the inclination and azimuth measurements and the estimation of pipe twist to perform corrections to the tool face setting. A measurement tool with a plurality of sensors is disposed along the drill string. Measurements are taken continuously during the drilling process from each of the sensors to determine torque, bending moment, and axial force data. This information is iteratively coupled with a mechanical torque-drag model (based on standard mechanics of deformable materials and on wellbore mechanics) to accurately estimate stretching and twisting of the drill string in real-time or near-real-time and thereby promote accurate wellbore placement.

Abstract: A boring tool moves having a pitch orientation, a yaw orientation and a roll orientation and is steerable underground using the roll orientation. A maximum drill string curvature is established for steering. The boring tool is advanced over a path segment. An averaged roll characteristic is determined for movement of the boring tool along the path segment. A path segment pitch orientation is established based on at least one measured pitch orientation along the path segment. Using the maximum drill string curvature in combination with the averaged roll characteristic and the path segment pitch orientation, the yaw orientation is determined. The averaged roll characteristic is determined based on a series of incremental roll measurements that are spaced across the path segment. A set of coupled ordinary differential equations is used to characterize movement of the boring tool.

Abstract: The invention relates to a dynamic point-the-bit rotary steerable drilling tool and a measuring method thereof. The dynamic point-the-bit rotary steerable drilling tool comprises a rotary housing, a stabilized platform assembly, a hollow servo-motor assembly, a drilling fluid passage, an inner eccentric ring, an outer eccentric ring, a drilling bit shaft and a universal joint. The dynamic point-the-bit rotary steerable drilling tool also comprises a stabilized platform communication and power supply system which includes an instrument storehouse fixed at the upper end of the rotary housing, a main circuit board, an auxiliary circuit board mounted on the stabilized platform upper-end cover, an electromagnetic coupler primary-side, an electromagnetic coupler secondary winding and an electromagnetic coupler primary-side mounting plate fixed at the lower end of a coupler.

Abstract: The present invention is directed to a system that has a first sensor assembly coupled to a mobile platform that traverses a predetermined subsurface path and has an axis of motion. The first sensor assembly obtains a gravity vector of the Earth relative to the mobile platform. A second sensor assembly is disposed in substantial alignment with a predetermined position relative to the axis of motion and is characterized by a sensitivity axis. The second sensor assembly provides a sensor signal substantially corresponding to a single vector component of the Earth's rotation vector. A control system is configured to derive the path direction relative to a known direction and an inclination angle of the mobile platform relative to the surface based on the gravity vector and the single vector component of the Earth's rotation vector.

Abstract: Provided herein are systems, methods, and computer-readable medium for profiling steam injected into a formation. In one embodiment, the method includes receiving a dataset of temperature surveillance data, acoustic surveillance data, surface injection data, downhole pressure measurement device data, downhole temperature measurement device data, or any combination thereof. The method further include determining annular temperature profiles, tubing temperature profiles, behind liner temperature profiles, or any combination thereof from the dataset based on configuration of the fiber optic surveillance system in the well and design of the well. The method further includes using flow diagnostic results based on the dataset, the annular temperature profiles, the tubing temperature profiles, etc.

Abstract: An indicator including a body configured to be run within a tubular from a first portion to a second portion of the tubular. A sensor disposed at the body configured to detect when a tool run through the tubular has reached the body. A signal generator configured to send notification that the tool has reached the body; and a plunger configured to cause the signal generator to send notification upon being urged relative to the body. A method of verifying a tool.

Abstract: A communications system for deployment within a subsurface hydrocarbon production system, the communications system comprising at least a section of production pipeline having an external pipe unit, and an internal pipe unit located within and coaxial with the exterior pipe unit creating a void therebetween operable to receive fluid, a first communication unit disposed at a first location on the internal pipe, operable to transmit an electromagnetic data signal, and a second communication unit located at a second location, remote to the first location, on the internal pipe, operable to receive an electromagnetic data signal transmitted by the first communication system through the fluid, internal pipe and external pipe.

Abstract: Methods and systems are provided for modeling an aspect of a hydrocarbon-containing reservoir by constructing a first factor graph having variables and factors that describe the aspect of the hydrocarbon-containing reservoir. The first factor graph is converted to a tree-structured graph that does not have any cycle or loops. The tree-structured graph is converted to a second factor graph that does not contain any cycles or loops, wherein the second factor graph has variables and factors that describe the aspect of the hydrocarbon-containing reservoir. A query on the second factor graph is carried out involving message passing operations that perform probabilistic inference on the second factor graph with regard to the aspect of the hydrocarbon-containing reservoir that is modeled by the second factor graph.

Abstract: Various embodiments disclosed relate to methods of obtaining data from a subterranean formation and systems for performing the method. In various embodiments, the present invention provides a method of obtaining data from a subterranean formation including obtaining or providing first proppant particles and second proppant particles. The first proppant particles can have a particle size of about 0.2 mm to about 10 mm. The second proppant particles can have a particle size of about 0.010 ?m to about 199 ?m. The method can include placing the first and second proppant particles into a subterranean formation. In the subterranean formation, at least part of at least one of the first and second proppant particles can be electroconductive proppant particles. The method can include transmitting at least one of an electric current and an electromagnetic signal to at least part of the electroconductive proppant particles.

Abstract: A Wellbore stress meter system and method for determining wellbore formation instability, comprising a first load cell, a first pressure sensor with a pressure output signal, a wireless communication system, a cable, and a surface device, said first load cell comprises; a second pressure sensor with a stress output signal, a cell element comprising a fluid, a first interface element in a first end of said first load cell with fluidly separated first and second surfaces wherein said first surface is in fluid communication with said fluid, and said first interface element moves relative said cell element as a function of a force applied on said first surface, and compresses said fluid acting on said second pressure sensor.

Abstract: Systems and methods for automated fluid sampling for tracer testing are described. In one aspect, an automated fluid sampling system includes a pressurized line, such as a production well or an injection well connectively and a fluid separation vessel receiving sample fluids therefrom. The fluid separation vessel includes a plunger and is configured for gravity-mediated phase separation of the sample fluids into a plurality of aqueous, organic and/or gas phase fluid fractions and includes pluralities of inlet and outlet ports for mediating flow of sample fluids therethrough. At least one purging fluid source, such as a gas or liquid, is used for driving the plunger. Sample fluid collection vessels receive phase-separated sample fluids from the fluid separation vessel.

Abstract: In at least some embodiments, a downhole tool includes a tool body defining a tool centerline, and a recessed ring guide intermediate to ends of the tool body. The downhole tool also includes an expander ring having an asymmetric wall thickness and rotatable around the recessed ring guide between a reduced tool profile orientation and an expanded tool profile orientation. The downhole tool also includes an actuator configured to rotate the expander ring between the reduced profile orientation and the expanded profile orientation.

Abstract: A cutting tool holding device for holding a cutting tool is provided. The cutting tool holding device includes a base, a holder, and a fastening member. The base includes a rabbet, an angular receiving hole, and a positioning hole. The holder includes a main body and a tool receiving corner post. The main body includes an engaging portion which is detachably engaged into the rabbet. The tool receiving corner post extending projects from the main body and is correspondingly set into the angular receiving hole, wherein a position limiting groove is formed on the tool receiving corner post corresponded with the positioning hole. The fastening member is fastened in the positioning hole and pressed against the position limiting groove.

Abstract: A mine stopping panel is disclosed. The panel includes first and second channel-shaped panel members having a telescoping sliding fit one inside the other. An elongate end cap is fitted in the first panel member. One or more louver connections between the first panel member and the end cap hold the end cap against movement relative to the first panel member when an extending force is applied to the end cap tending to telescopically extend the first panel member relative to the second panel member.

Abstract: An apparatus for dispersing liquid flame retardant mixtures mounts in the bucket of mine scoop. The apparatus has a housing which is generally sized to fit within a mine scoop bucket while leaving space in the bucket for moving mine material. The housing has a reservoir within it for holding a fire prevention mixture. The mixture is a liquid mixture and the apparatus has a motor, pump, tubes, and nozzles for dispersing the fire prevention mixture. The apparatus accommodates a hydraulic cylinder for moving the mixture dispersing apparatus back and forth within the scoop bucket. Some embodiments of the apparatus have a front face with scraper blade elements that operate as a scraper blade similar to scraper blades in scoop buckets that do not have the apparatus in place.

Abstract: Valve and/or port plates incorporating or formed entirely of ceramic can each be provided with a reinforcing band. The band, which can optionally be metal, can be placed around the plate to provide additional strength to the plate, thereby allowing for a reduction in the overall diameter and/or thickness of the plates and, thus, the use of less ceramic material. The band can hold the plate in compression and/or be glued to hold the band in place.

Abstract: Rotor stage of an axial turbine for the gas or steam expansion comprising a shaft, adapted to rotate around a main axis, and a plurality of vanes, the shaft having an annular recess extending around the main axis, said shaft further comprising an introduction slot extending laterally from the annular recess, the annular recess being adapted to engage the roots of the vanes and the introduction slot being adapted to allow the insertion of the roots of the vanes into the annular recess, said rotor stage further comprising a coak adapted to be inserted into the introduction slot through an exclusively radial movement, to constrain the roots of the vanes in an operative position inside the annular recess.

Abstract: Disclosed is a multi-vane-type flow kinetic energy device placed in the atmosphere with an air current or in a body of water with a water current, and comprising: a wheel shaft (2); and multiple wheel vanes (1) fixed on the wheel shaft (2) along an axial direction of the wheel shaft (2), the multiple wheel vanes (1) being uniformly distributed on the wheel shaft (2) and in a radiating arrangement, and the wheel vanes (1) driving the wheel shaft (2) to rotate unidirectionally under the effect of fluid power of the water current or air current, wherein the wheel vanes (1) comprise a wheel vane frame (7) and multiple windows (4) formed in the wheel vane frame (7), window vanes (3) are provided on the windows (4) to cover the windows (4) in a forward flow region (11) and to automatically open the windows (4) in a counter-flow region, and all the window vanes (3) are placed on the same side of the wheel vanes (1).

Abstract: A coupling guard for a rotating member comprising a shell surrounding the rotating member, a plenum disposed in the shell, at least an injection tube for injecting a cooling gas and an outlet for discharging the cooling gas, wherein the injection tube extends through the plenum from a first axial opening proximal to the shell to a second axial opening proximal to the rotating member, the injection tube having a leading edge which first contacts the gas circulating in the plenum and a trailing edge opposite to the leading edge, the second opening having a first portion orthogonal to the axis of the injection tube and a second portion across the trailing edge, adjacent to the first portion and parallel to the axis of the injection tube.

Abstract: An example airfoil includes an airfoil body with a leading edge and a trailing edge joined by a pressure side and a suction side to provide an external airfoil surface extending in a radial direction from at least one platform. The external airfoil surface is formed in substantial conformance with multiple cross-sectional profiles of the airfoil described by a set of Cartesian coordinates set forth in Table 1. The Cartesian coordinates are provided by an axial coordinate scaled by a local axial chord, a circumferential coordinate scaled by a local axial chord, and a span location. The local axial chord corresponds to a width of the airfoil between the leading edge and the trailing edge at the span location, and the Cartesian coordinates in Table 1 have a tolerance relative to the specified coordinates of up to +0.050 inches (+1.27 mm).

Abstract: A turbine component includes: a metallic wall having opposed interior and exterior surfaces, the wall configured for directing a combustion gas stream in a gas turbine engine; and a metallic negative CTE structure rigidly attached to one of the surfaces

Abstract: A layer system is provided having a substrate, an outermost layer with a surface, at least one hole at least in the outermost layer, wherein in the vicinity around the hole or directly adjoining a boundary line of the hole, at least one, not closed extending recess is present in the surface of the outermost layer in which the recess is curved and its ends face each other. Through the use of depressions in a layer, spalling within the interfaces through the layers is prevented.

Abstract: A turbine blade with aerodynamic aerofoil, which extends from a bottom to a top end and has two aerofoil walls extending between, which transversely thereto extend from a common leading to a common trailing edge, and with at least one platform, which extends transversely in relation to the aerofoil and is arranged at one of the two ends of the aerofoil. A number of openings are provided in the trailing edge between the bottom end and the top end. Either the opening in the trailing edge arranged closest to the platform surface extends into the platform surface or the platform surface facing the aerofoil is lowered locally in the region of that opening that is closest to the platform, and the opening opens out into a portion of the trailing edge that has become free as a result of the lowering.

Abstract: Coating systems are provided for use on a CMC substrate, that can include: a bond coat on a surface of the CMC substrate; a first rare earth silicate coating on the bond coat; a sacrificial coating of a reinforced rare earth silicate matrix on the at least one rare earth silicate layer; a second rare earth silicate coating on the sacrificial coating; and an outer layer on the second rare earth silicate coating. The first rare earth silicate coating comprises at least one rare earth silicate layer, and the second rare earth silicate coating comprises at least one rare earth silicate layer. The sacrificial coating has a thickness of about 4 mils to about 40 mils. Methods are also provided for tape deposition of a sacrificial coating on a CMC substrate.

Abstract: A coated article includes a substrate and an MCrAlY coating supported on the substrate. The M includes at least one of nickel, cobalt, and iron, Cr is chromium, Al is aluminum, and Y is yttrium. The composition of the MCrAlY coating varies in an amount of at least one of Cr, Al, and Y by location on the substrate with respect to localized property requirements. In one example, the coated article is an article of a gas turbine engine.

Abstract: A rotor of a turbine engine includes a mounting slot for receiving a blade. The example blade is formed from a ceramic material and is received within the mounting slot. An intumescent material is disposed within the mounting slot between the blade and an inner surface of the mounting slot and expanded by the application of heat for securing the blade within the mounting slot.

Abstract: The disclosure concerns a wire seal for sealing a gap between two components of a gas turbine, the wire seal including a first core and a second core spaced apart from one another, a wire pack extending around the first core and the second core, and a fastener for securing the wire pack to the first core and the second core, wherein the wire seal is curved. Various embodiments are disclosed, including various types of fastener. A method of manufacturing a wire seal is also disclosed.

Abstract: A nozzle segment for a turbine nozzle of a gas turbine engine is disclosed. The nozzle segment includes an upper endwall, a lower endwall spaced apart from the upper endwall, a pressure portion, and a suction portion. The pressure portion extends between the upper endwall and the lower endwall adjacent a first side of the nozzle segment. The suction portion is spaced apart from the pressure portion and extends between the upper endwall and the lower endwall adjacent a second side of the nozzle segment. The second side is opposite the first side.

Abstract: Systems and devices configured to reduce windage and mixing losses in a turbine by redirecting and/or aligning a direction of a leakage flow with the flowpath of the main flow of a turbine are disclosed. In one embodiment, a device includes: a base configured to connect to a diaphragm of a turbine; and a radial portion connected to the base and extending radially inboard from the base toward a rotor of the turbine, the radial portion oriented to adjust a direction of travel of a leakage flow of working fluid radially inboard at an angle complementary to a primary working fluid path of the turbine.

Abstract: A nozzle assembly is provided. The nozzle assembly includes at least one stationary nozzle. An outer ring having a predefined shape includes at least one groove defined therein and the groove is configured to receive at least a portion of the stationary nozzle therein. A coupling portion is formed integrally with the stationary nozzle or the outer ring such that the coupling portion extends outwardly therefrom. An attachment member is coupled to the coupling portion to facilitate substantially restricting movement of the stationary nozzle when the outer ring is substantially distorted.

Abstract: A shaft sealing device (10) includes a plurality of leaves (20) that is arranged in a periphery of a rotating shaft (50) and divides a space around the rotating shaft into two spaces in an axial direction of the rotating shaft, and a side seal plate that is arranged on one side of the leaf in the axial direction and has an opposite surface facing a side end on one side of the leaf. The leaf and/or the side seal plate has a friction reducing portion for reducing a friction force between the opposite surface and a surface of the side end.

Abstract: Aspects of the disclosure are directed to a first platform, a second platform, a seal arranged between the first platform and the second platform, a first slot in the first platform with unequal seal rates between inner and outer sealing surfaces, and a second slot in the second platform with unequal seal rates between the inner and outer sealing surfaces, wherein the seal is configured to be positioned in the inner or outer sealing surfaces based on a ratio of a first pressure associated with a first flow to a second pressure associated with a second flow.

Abstract: The invention concerns a gas turbine having a picture frame, a first vane, and a sealing arrangement to seal a gap between the picture frame and the first vane, the sealing arrangement including two seals arranged in series between the picture frame and the first vane. In exemplary embodiments, one of the seals is a honeycomb seal, a dogbone seal, a hula seal or a piston seal and the other seal is a honeycomb seal, a dogbone seal, a hula seal or a piston seal. A method of supplying cooling fluid to the gap between the picture frame and the first vane is also disclosed.