Abstract: The flow of well treatment fluids may be diverted from a high permeability zone to a low permeability zone within a fracture network within a subterranean formation by use of a divert system comprising dissolvable diverter particulates and proppant. At least a portion of the high permeability zone is propped open with the proppant of the divert system and at least a portion of the high permeability zone is blocked with the diverter particulates. A fluid is pumped into the formation and into a lower permeability zone farther from the wellbore. The diverter particulates in the high permeability zones may then be dissolved at in-situ reservoir conditions and hydrocarbons produced from the high permeability propped zones of the fracture network. The divert system has particular applicability in the enhancement of production of hydrocarbons from high permeability zones in a fracture network located far field from the wellbore.

Abstract: A process and process line for mining and blending a plurality of different grade oil sand ore is provided comprising forming an open stockyard for blending and stockpiling the different grades of oil sand ore, whereby the blending of the different grades of oil sand ore is managed by haul trucks dumping the different grades of oil sand ore at a dispatched coordinate either on the perimeter of the stockyard or in the stockyard pit.

Abstract: The system and method for processing flowback fluid include a plurality of wellheads producing flowback fluid flows, a manifold skid, a plurality of first stage separators corresponding to at least one wellhead of an installation with multiple wellheads and multiple flowback fluid flows, a plurality of metering devices corresponding to each first stage separator, and a second stage separator in fluid connection with the metering devices and the first stage separators. Flowback fluid flows pass from the wellhead to the manifold skid so that the flowback fluid flows can be distributed under controlled conditions, such as temperature, pressure, and flow rate. The manifold skid improves safety, efficiency, and control of the later separation processes in the first stage separators and second stage separator.

Abstract: Apparatus and method disclosed herein related to first stage gravity separation of liquid and sand from a gaseous fluid stream in an upper portion of a desanding vessel, sand separating from gas along an annular path about a shell, the sand-free gas directed back down into the shell to a fluid outlet for removal as a product stream. A second stage gravity separation of sand from accumulated liquid occurs in a lower section of the vessel. An optional final or polishing stage of the liquid is conduct using a filter. A stacked-plate filter can extend an intake opening of the fluid outlet into the accumulated liquid. Further, the filter plates can be configured with parallel filtering of gas/liquid separation for gas intake above, and with liquid/sand separation below including pressure management of the filter operation.

Abstract: A downhole tool comprises a chassis for supporting printed circuit boards having electrical components mounted thereon. The downhole tool comprises at least one thermoelectric cooler, such as a Peltier cooler, for cooling particular electrical components. The downhole tool also comprises a heat pump that may be used for maintaining the temperature of the hot side of the thermoelectric cooler to a sufficiently low temperature so that the thermoelectric cooler works efficiently. The heat pump may further be used for providing additional cooling in the downhole tool.

Abstract: A down-hole tool and method for pressure testing production tubing within a borehole of a well returning the well to production, including a valve having a first valve member positioned within the tool housing and a second valve member moveable between a closed position and an open position; and a valve catcher engaged with a distal end of a rotor of the progressive cavity pump, the valve catcher for securing the second valve member in the open position with the valve catcher during rotational operation of the rotor and securing the second valve member with the valve catcher during removal of the second valve member from within the progressive cavity pump when the rotor is removed through the progressive cavity pump stator; wherein the production tubing may be pressure tested when the second valve member is in the closed position with respect to the first valve member.

Abstract: Multiphase flow metering is provided. In one possible implementation, a multiphase flow measurement system includes at least one reference temperature sensor at a first position configured to measure a first temperature of a multiphase flow. The multiphase flow measurement system also includes at least one heated temperature sensor at a second position downstream of the reference temperature sensor configured to excite the multiphase flow and measure a second temperature of the multiphase flow.

Abstract: A method of obtaining position of a downhole tool with respect to a wellbore includes logging well data via the tool over a period of time and measuring a lateral acceleration of the tool over the period of time with one or more accelerometers embedded in the tool. The method further includes performing double integration on an acceleration of the tool over a period of time. The method also includes obtaining a displacement of the tool over the period of time from the double integration. The method also includes fitting the displacement of the tool over the period of time to a best fit curve. The method also includes subtracting the best fit curve from the displacement of the tool over the period of time.

Abstract: A method includes obtaining a pulsed neutron log as a function of position along a cased wellbore. The method also includes analyzing the pulsed neutron log to identify a gas channel associated with a surface casing vent flow condition. The method also includes selecting a squeeze target along the identified gas channel. The method also includes directing at least one well intervention tool in the cased wellbore to perform a squeeze operation for the selected squeeze target.

Abstract: An electrical impedance tomography based flow monitoring system includes a flow accepting pipe having a cylindrical grid of m×n electrodes, wherein m is an integer greater than 3 representing a number of circumferential grid positions and n is an integer greater than 2 representing a number of axial grid positions. Each combination of adjacent circumferential grid positions and adjacent axial grid positions defines a cell having four electrodes electrically connectable in various combinations by a switch, and the switches are set to connect the electrodes into multiple axially-extending arrays. The system further comprises a controller coupled to the multiple axially-extending arrays to acquire multi-point electrical tomography measurements, wherein the controller processes the measurements to derive a monitored quantity.

Abstract: In an embodiment of the present invention utilizes a frac plug having a large diameter through bore wherein the through bore is at least 75% of the outer diameter of the plug. A tracer assembly is then affixed to a lower end of frac plug. The frac plug tracer assembly is run into a wellbore where the frac plug is then set, perforated, and fracked. The obstruction within the frac plug through bore is then removed. In some instances, the instruction may be a ball, dart, or other obturator and in some instances the obstruction may be a dissolvable plug. With the obstruction within the frac plug through bore removed wellbore fluids from the hydrocarbon formation may flow upward through and around the tracer assembly picking up chemical traces which are then carried to the surface to be analyzed.

Abstract: A production well includes a casing and encapsulated tubing positioned within the casing. The encapsulated tubing includes a conductive sidewall defining a channel for an injection fluid. The production well further includes an insulative layer surrounding the conductive sidewall. The production well also includes a controller configured to regulate flow of an electrical current through the conductive sidewall. The production well further includes production tubing positioned within the casing and configured to channel a production fluid through the casing. The insulative layer is configured to inhibit transmission of the electrical current between the conductive sidewall and the production tubing. The production well also includes at least one sensor positioned within the casing to detect downhole conditions of the production well. The conductive sidewall is configured to conduct electrical current toward the at least one sensor.

Abstract: A method includes deploying a tool in a well. The method also includes providing a conductive path with a segmentation module in the well. The method also includes conveying power and telemetry signals from a surface or uphole interface to the tool via the conductive path, where conveying the power and telemetry signals includes the segmentation module decoupling and later coupling power and telemetry signals conveyed along the conductive path.

Abstract: A downhole system (10, 110, 210) includes a tubular (18) having a longitudinal axis (32), and a trace (46) applied on the tubular (18). The trace (46) includes a conductive portion (60) formed from an electrically conductive material (58) and the trace (46) is configured to deliver a signal between uphole and downhole locations of the tubular (18).

Abstract: An assembly for collecting data related to the condition of a lubricant inside of an electric motor including a gauge having an oil condition sensing probe extending into an interior of the electric motor so as to be immersed in the lubricant to determine at least one property of the lubricant and generate an electric signal in response thereto.

Abstract: A geologic survey system includes a plurality of acoustic sources spaced at intervals over a target area of a terranean surface. Each of the plurality of acoustic sensors is configured to generate a seismic energy wave. The system also includes a plurality of acoustic sensors positioned in a plurality of boreholes formed in a geologic formation, where the boreholes have a depth sufficient to reach a geologic datum. The system also includes a control system communicably coupled to the plurality of acoustic sensors and configured to perform operations including receiving, from the plurality of acoustic sensors, data associated with reflected acoustic signals generated by the plurality of acoustic sources and received by the plurality of acoustic sensors; determining, based on the received data, a subsurface topology of the geologic formation; and generating a subsurface model of the geologic formation based on the determined subsurface topology.

Abstract: Various embodiments include methods and systems structured to transmit data from downhole sensors to the surface at a well site. The transmission can be implemented to overcome downhole connections that can act as obstructions to direct electrical and optical communication in a wellbore. Electrical signals from one or more sensors in a sensor unit, located on a side of a downhole connection in a wellbore opposite the surface of the wellbore, can be used to drive an acoustic transmitter to transmit an acoustic signal via a production string or casing or fluid in the production string or casing across the downhole connection, where the acoustic signal is received on the surface side of the downhole connection. Data correlated to the received acoustic signal can be provided to a surface location of the wellbore. Additional apparatus, systems, and methods can be implemented in a variety of applications.

Abstract: A deviated or horizontal wellbore is drilled in a geologic formation with a multiphase fluid including a gas by a rotating drill bit positioned at a downhole end of a drill string. Portions of the gas are released into the wellbore during the drilling. During the drilling, soundwaves are emitted into the geologic formation from within the wellbore by a set of acoustic emitters attached to the drill string. The received reflected soundwaves are transmitted by the set of solid acoustic couplers to a set of acoustic sensors contacting the solid acoustic couplers. The reflected soundwaves are received by the acoustic sensors. Rock properties of the geologic formation are determined based on the less attenuated reflected soundwaves transmitted to the acoustic sensors by the solid acoustic couplers. A drilling direction of the wellbore is adjusted based on the determined rock properties.

Abstract: A pressure compensator assembly is deployed in a servo-driven mud pulser. The assembly includes a generally tubular compensator sleeve that expands and contracts in a radial direction in order to compensate for pressure differentials across the compensator sleeve. A thrust bearing arrangement is also deployed in a servo-driven mud pulser, the thrust bearing arrangement designed to protect the servo motor from reactive energy caused by servo motor stalls as the motor changes direction of rotation. A torsion bar is deployed in a drill string to protect fragile components and electronics in the drill string by absorbing and smoothing out torsion spikes in the drill string arising from stick-slip events.

Abstract: Nuclear magnetic resonance methods may be used to determine the porosity and the pore type of subterranean formations while accounting for fluid infiltration from the drilling mud or mud filtrate thereof into the formation. For example, the apparent porosity of (1) a shallow sensitive volume (?sh) and (2) a deep sensitive volume (?deep) may be measured. Then, a comparison of the ?sh and the ?deep may be performed, and the porosity (?) of a portion of the subterranean formation may be calculated based on the comparison of the ?sh and the ?deep.

Abstract: Sensor assemblies are described for measuring isotropic, anisotropic, or directionally dependent, characteristics of a subterranean formation. Sensor assemblies can include sensors deployed on a tool string. One or more of the sensors can be rotatable relative to the tool string. Rotating one or more sensors relative to the tool string can provide data about the subterranean formation at multiple points around the tool string.

Abstract: Hybrid inversion processing techniques are implemented that result in improved speed and accuracy of determining formation properties using log data, for example, from an multi-component induction logging tool. Logging data relating to the formation of interest is obtained and used as an input. High frequency noise is then removed from the logging data and bed-boundary determination is performed using the logging data. An adaptive low pass filter is applied to the logging data and the logging data is inverted. The inverted logging data is correct and enhanced by determining one or more weights based on one or more quality indicators. The inverted logging data may then be visually interpreted and used to adjust one or more drilling parameters.

Abstract: Systems, apparatuses, and computer-implemented methods are provided for the sensing and prediction of properties of source rock. Disclosed here is a method of predicting the maturity of a source rock that includes obtaining a plurality of data of a sample source rock from a plurality of data acquisition devices placed in vicinity of the sample source rock and analyzing the received data using a predictive correlation to determine maturity of the sample source rock. The predictive correlation is generated by applying a machine learning model to correlate the plurality of data acquired from a plurality of representative source rocks with a plurality of properties of the plurality of representative source rocks.

Abstract: Provided are systems and methods for determining fracture toughness of a subsurface geologic formation. Embodiments include collecting (from drilling fluid circulated into a wellbore during a drilling operation) a drill cutting generated by a drill bit cutting into a subsurface formation, preparing (from the drill cutting) a drill cutting specimen comprising a miniature single edge notch beam (SENB) having a specified length in the range of 1 millimeter (mm) to 100 mm, conducting a three-point bend testing of the drill cutting specimen to generate load-displacement measurements for the drill cutting specimen, and determining (based on the load-displacement measurements for the drill cutting specimen) a fracture toughness of the subsurface formation.

Abstract: A device for advancing a cavity in underground mining, including a rotary drive, an axial shaft that is rotatable together with the rotary drive about a longitudinal axis, exactly one extraction drum that is rotatable about an drum rotational axis, and a connecting arrangement which is connected to the axial shaft and which supports the extraction drum, the connecting arrangement being configured in such a way that the drum rotational axis and the longitudinal axis lie in a plane, and are oriented at an acute angle with respect to one another in the advancing direction, in all operating positions during the advancement, characterized in that the extraction drum extends over at least an effective radius of the device in the radial direction of the device during advancement of the cavity.

Abstract: Methods and systems of controlling a pitch angle of a shearer. A controller receives a sensor signal indicative of the pitch angle of the shearer, and receives a target pitch profile defining a plurality of target pitch angles for different sections of a mineral face. The controller determines a pitch difference between the pitch angle and a target pitch angle of the shearer, determines a pitch correction height corresponding to a new height for a floor cutter of the shearer based on the pitch difference, and changes a height of the floor cutter based on the pitch correction height.

Abstract: A friction bolt assembly to frictionally engage a bore formed in rock strata includes an elongate tube and an expander mechanism acted on by an anchor mechanism via an elongate bar or cable. A retainer mechanism is mounted to act between the bar or cable and the tube to prevent ejection of the bar or cable from the assembly should the bar or cable break.

Abstract: A conveyor system includes a plurality of crawler members, a frame supported via the crawler members, a skid pad moveable relative to the frame to raise and lower the frame relative to a ground surface, and an intake structure supported by the frame. The intake structure includes a first conveyor. The conveyor system further includes a discharge boom supported by the frame. The discharge boom includes a second conveyor.

Abstract: A barricade wall is provided that is easily and rapidly customizable in a mine depending on the requirements of the particularly open area. The barricade wall can be customizable depending on the size and spatial requirements of a particular open area in a mine. Further, the top beams of the barricade wall can be elongated or shortened, depending on the requirements of the open area in the mine. The barricade wall has a first rigid wall section with spring loaded wall extensions attached to the wall section.

Abstract: A progressive cavity positive displacement motor having a solid metal stator and a rotor having an elastomeric seal layer on its outer surface, as well as a method of manufacturing the motor. The elastomeric seal layer on the rotor can be formed by extruding the uncured elastomer, applying the extrusion to the metal rotor core and machining the cured elastomer to produce a uniform thickness seal layer. The elastomer can be made from a high molecular weight elastomer compound. Graphene additives can further enhance the performance characteristics of the elastomer.

Abstract: According to one embodiment of the invention, a gerotor apparatus includes a first gerotor, a second gerotor, and a synchronizing system operable to synchronize a rotation of the first gerotor with a rotation of the second gerotor. The synchronizing system includes a cam plate coupled to the first gerotor, wherein the cam plate includes a plurality of cams, and an alignment plate coupled to the second gerotor. The alignment plate includes at least one alignment member, wherein the plurality of cams and the at least one alignment member interact to synchronize a rotation of the first gerotor with a rotation of the second gerotor.

Abstract: A Circle-Ellipse Engine comprises a stationary circular outer Housing having a fixed elliptical inner cam surface, and a separate internal round Rotor partitioned into equal segments that are populated by identical movable radial Vanes. During rotation, the end of the Vanes are positioned a constant distance from the elliptical inner cam surface of the Housing. The internal round Rotor has the same radius as the minor axis of the elliptical inner cam surface. During rotation, a variable height cavity is created representing the difference between the major and minor axes of the elliptical inner cam surface and the Rotor face. The position of the radial Vanes is guided by the slots in the symmetrical Rotor, extending to the elliptical inner cam surface of the Housing. The precise extension is governed by a pin track machined into the dual End Plates. There are no pistons, camshaft, timing chains, valves, valve lifters, rocker arms, connecting rods, or wrist pins.

Abstract: The present invention relates to a small-scale combined heat and power generator using a steam injector with a small-scale heat source and, more particularly, to a small-scale combined heat and power generator in which, since reaction energy of a steam injection force from nozzles (106) of a rotatable disk-shaped steam injector, which has a plurality of nozzles configured to inject steam mounted thereon, is applied to the disk-shaped steam injector and then action energy of the injected steam which returns to a steam injection plate (107) adjacent thereto by performing a U-turn after colliding with a steam reflection inducing groove (108) installed to reflect the injected steam is also applied to the disk-shaped steam injector, a rotational force of the steam injector configured to generate power is doubled without a turbine.

Abstract: A device for balancing a rotor of a turbomachine comprises a base coaxially fixable to the rotor; at least three balancing tools arranged on the base, each balancing tool defines a respective balancing direction along a radial direction of the base, each balancing tool comprises a weight moveable along the balancing direction; the balancing directions are uniformly angularly spaced.

Abstract: The present application provides a rotor for use in a turbine engine. The rotor may include a first rotor disc, a second rotor disc adjacent to the first rotor disc, and a belly band seal positioned between the first rotor disc and the second rotor disc. The belly band seal may include a band seal with a locking tab brazed thereon.

Abstract: A rotor assembly for a gas turbine engine includes a rotor disk. The rotor disk includes a heat barrier feature radially inward of a rotor blade and radially outward of a rotor disk.

Abstract: A method of fabricating an airfoil includes forming a tip portion and imaging a second end of a body portion to obtain image data of one or more mortises formed therein. One or more tenons are formed on the first end of the tip portion using the image data of the second end of the body portion. The one or more tenons are manufactured using one of additive or subtractive manufacturing techniques. To complete assembly, the first end of the tip portion is positioned relative to the second end of the body portion such that each of the one or more tenons of the tip portion align with and are in sliding engagement with a respective one of the one or more mortises of the body portion. The body portion and the tip portion are coupled together such that the tip portion and the body portion form the airfoil. An airfoil formed by the method is also disclosed.

Abstract: A flow passage forming plate includes a plate main body, a peripheral wall, and a ledge. The plate main body has a gas path surface facing a side of a gas flow passage, and an inner surface facing the opposite side from the gas path surface. The peripheral wall protrudes along a peripheral edge of the plate main body, from the inner surface toward an opposite-flow-passage side. The ledge protrudes along an inner wall surface of the peripheral wall, from the inner surface toward the opposite-flow-passage side. The ledge receives an impingement plate having a plurality of through-holes. The ledge is disposed only in a part of an inner wall surface of the peripheral wall.

Abstract: A hot gas path component of an industrial machine includes an adaptive cover for a cooling pathway. The component and adaptive cover are made by additive manufacturing. The component includes an outer surface exposed to a working fluid having a high temperature; a thermal barrier coating over the outer surface; an internal cooling circuit; and a cooling pathway in communication with the internal cooling circuit and extending towards the outer surface. The adaptive cover is positioned in the cooling pathway at the outer surface. The adaptive cover includes a heat transfer enhancing surface at the outer surface causing the adaptive cover to absorb heat faster than the outer surface, e.g., when a spall in a thermal barrier coating thereover occurs.

Abstract: A hot gas path component of an industrial machine includes an adaptive cover for a cooling pathway. The component and adaptive cover are made by additive manufacturing. The component includes an outer surface exposed to a working fluid having a high temperature; an internal cooling circuit; and a cooling pathway in communication with the internal cooling circuit and extending towards the outer surface. The adaptive cover is positioned in the cooling pathway at the outer surface. The adaptive cover may include a heat transfer enhancing surface at the outer surface causing the adaptive cover to absorb heat faster than the outer surface.

Abstract: A hot gas path (HGP) component of an industrial machine includes primary and secondary cooling pathways. A body includes an internal cooling circuit carrying a cooling medium. A primary cooling pathway is spaced internally in the body and carries a primary flow of a cooling medium from an internal cooling circuit. A secondary cooling pathway is in the body and in fluid communication with an internal cooling circuit. The secondary cooling pathway is fluidly incommunicative and spaced internally from the primary cooling pathway. In response to an overheating event occurring, the secondary cooling pathway opens to allow a secondary flow of cooling medium through to the outer surface of the body and/or the primary cooling pathway. The primary flow flows in the primary cooling pathway prior to the overheating event, and the secondary flow of cooling medium does not flow until after an opening of the secondary cooling pathway.

Abstract: A component according to an exemplary aspect of the present disclosure includes, among other things, a wall and a hollow vascular engineered lattice structure formed inside of the wall. The hollow vascular engineered lattice structure has an inlet hole and an outlet hole that communicate fluid into and out of the hollow vascular structure. The hollow vascular engineered lattice structure further has at least one resupply inlet hole between the inlet hole and the outlet hole with respect to a dimension of the component to communicate additional fluid into the hollow vascular engineered lattice structure.

Abstract: An apparatus and method for cooling an airfoil tip for a turbine engine can include an airfoil, such as a cooled turbine blade, having a tip rail extending beyond a tip wall enclosing an interior for the airfoil at the tip. A plurality of cooling holes can be provided in the tip rail. A flow of cooling fluid can be provided through the cooling holes from the interior of the airfoil to cool the tip of the airfoil.

Abstract: An apparatus and method for cooling an airfoil tip for a turbine engine can include an airfoil, such as a cooled turbine blade, having a tip rail extending beyond a tip wall enclosing an interior for the airfoil at the tip. A plurality of cooling holes can be provided in the tip rail at the tip. A flow of cooling fluid can be provided through the cooling holes from the interior of the airfoil to cool the tip of the airfoil.

Abstract: Airfoils having a body with leading and trailing edges and a first serpentine cavity within the body enabling a cooling flow in a first direction within the airfoil body, a second serpentine cavity fluidly connected to the first serpentine cavity enabling a cooling flow in a second direction, and a third serpentine cavity fluidly connected to the second serpentine cavity enabling a cooling flow in at least one of the first direction or a third direction. A resupply cavity is fluidly connected to the third serpentine cavity to supply a resupply air to the third serpentine cavity, a junction at the location of the second serpentine cavity, the resupply cavity and the third serpentine cavity, and a flow control feature arranged to turn the serpentine cooling air from the second direction and/or prevent resupply air backflow.

Abstract: A component for a fluid flow engine, such as a gas turbine, includes a first side, e.g. a top side and a second side, e.g. a bottom side, wherein the component further includes a mesh of interior channels for guiding a fluid through the component, wherein a fluid inlet being in fluid communication with channels of the mesh is provided at the first side and at the second side, respectively, and wherein the mesh is further arranged and configured such that channels originating from the fluid inlet of the first side and channels originating from the fluid inlet of the second side are interlaced such that a fluid entering the component is at least partly guided according to opposing directions in the mesh.

Abstract: A hot gas path component of an industrial machine includes a cooling pathway. The component includes a body including an outer surface; a thermal barrier coating (TBC) over the outer surface, the TBC exposed to a working fluid having a high temperature; and an internal cooling circuit in the body carrying a cooling medium. A cooling pathway is in the body and in fluid communication with the internal cooling circuit. The cooling pathway includes a terminating end in the body and a length extending along and spaced internally from the outer surface by a first spacing. In response to a spall in the TBC occurring at a location over the cooling pathway and the high temperature reaching or exceeding a predetermined temperature of the body, the cooling pathway opens at the location through the first spacing to allow a flow of the cooling medium therethrough.

Abstract: A turbine blade may comprise a pressure side wall and a suction side wall opposite the pressure side wall. A tip wall may extend between the pressure side wall and the suction side wall and may comprise a first opening. A first dimension of the first opening may be greater than a second dimension of the first opening. The first dimension may be oriented in a direction extending from a leading edge of the turbine blade toward a trailing edge of the turbine blade.

Abstract: The invention relates to an assembly comprising: a movable blade (100) for a turbomachine comprising a root (130), a removable part (300) comprising an anti-wear material, configured to be attached removably to an edge of the root (130) to limit wear of the root (130).

Abstract: A blade for a gas powered turbine includes a platform having a leading edge and a trailing edge. The leading edge is connected to the trailing edge by a suction side mateface and by a pressure side mateface. A blade extends outward from the platform. The blade has a foil shaped cross section and a suction side of the blade faces the suction side mateface and a pressure side of the blade faces the pressure side mateface. A radial height of the suction side mateface is different from a radial height of the pressure side mateface at a first axial position.