Abstract: An inflow control device, including a housing, a flow restrictor defined within the housing, an outflow area defined within the housing fluidly connected to the flow restrictor; and a disperser disposed within the outflow area. A method for reducing erosion in an inflow control device, including flowing a fluid through a flow restrictor, creating a jet of fluid leaving the flow restrictor, impinging the jet on a disperser in an outflow area for the flow restrictor, and dispersing the jetting fluid. A borehole system including a borehole in a subsurface formation, an inflow control device disposed within the borehole.

Abstract: A disconnect tool can include an electrical motor and a weak link. The electrical motor can be configured to part the weak link in response to electrical power applied to the electrical motor. A method of disconnecting sections of a tool string from each other in a well can include connecting a disconnect tool in the tool string, the disconnect tool including an electrical motor and a weak link, conveying the tool string into the well, and then applying electrical power to the electrical motor, thereby parting the weak link and disconnecting the tool string sections.

Abstract: A system for performing a mechanical operation on a wireline is described including: a motor; a gear train coupled to the motor, the gear train including a first and a second rotational output, the first and second rotational outputs having different rotational speeds relative to each other; a fluid pump coupled to both the first and second rotational outputs, the fluid pump including: a pump housing coupled to the first rotational output, and a pump input coupled to the second rotational output; and a milling bailer coupled to the housing of the fluid pump and configured to rotate with the fluid pump housing, the milling bailer including: a bailer portion shaped to intake fluid and allow the fluid to flow through a filter and the fluid pump; and a milling face including a bit and configured to perform a milling operation while fluid is flowing through the bailer portion.

Abstract: A technique facilitates application of increased force on a downhole tool, such as a shifting tool. According to an embodiment, a shifting tool is sized for deployment along the interior of a well string to enable shifting of a sliding sleeve. The shifting tool comprises a plurality of keys which are movably mounted for actuation between a contracted position and an extended position engaging the sliding sleeve. A plurality of pads may be actuated with the plurality of keys so as to form a flow restriction between the shifting tool and the surrounding well string. As a result, fluid pumped down between the shifting tool and the well string establishes a pressure differential across the flow restriction which helps move the shifting tool and the sliding sleeve to a desired position.

Abstract: Systems, methods, and apparatus for regulating pressure within a well tool. In some aspects, the well tool may include a cylinder, a setting chamber, and a first flow metering device and a second flow metering device installed in the cylinder. The first flow metering device having a first pressure threshold and the second flow metering device having a second pressure threshold may be configured to regulate an internal chamber pressure inside the setting chamber to reduce a collapse pressure or a pressure differential at the cylinder. The first flow metering device may be configured to allow an external pressure greater than a first pressure threshold to enter the setting chamber during a hydrocarbon recovery operation, and the second flow metering device may be configured to allow the internal chamber pressure greater than a second pressure threshold to exit the setting chamber after the hydrocarbon recovery operation.

Abstract: A casing pressure test tool assembly includes a well extending from a top end to a downhole end, the well having a receptacle; a wireline tool to run into the well; a casing test plug positioned downhole of the wireline tool, the casing test plug having a plug body extending from a first end to a second end; and a wireline setting tool adapter connecting the wireline setting tool and the casing test plug; the casing test plug releases from the wireline setting tool upon application of a separation force between the wireline setting tool adapter and the plug body; the casing test plug seals within the receptacle of the well; and the casing test plug, once sealed within the receptacle, allows for casing pressure testing operations of the well.

Abstract: An apparatus, which is for connecting a first tubular and a second tubular in a downhole environment, includes a first component having a first component uphole end and a first component downhole end. The first component uphole end includes an uphole connection configured to connect to the first tubular. The apparatus includes a second component having a second component uphole end and a second component downhole end. The second component uphole end includes an extending portion and the second component downhole end includes a downhole connection configured to connect to the second tubular. The apparatus includes a weak point connection releasably connecting the first component downhole end to the second component uphole end. The weak point connection is releasable by applying uphole force on the first tubular, and the extending portion of the second component is exposed uphole by release of the weak point connection.

Abstract: A lubricator for a well system comprises at least one piston and at least one piston plug. The at least one piston is axially slidable within the lubricator along a lubricator axis. The at least one piston comprises a piston alignment contour of a surface of the at least one piston. The at least one piston plug is configured to limit an extent of axial displacement of the at least one piston, and comprises a piston plug alignment contour of a surface of the piston plug. The piston alignment contour and the piston plug alignment contour are configured to mate and automatically circumferentially align the at least one piston and the at least one piston plug about the axis upon travel of the at least one piston along the axis toward the at least one piston plug.

Abstract: Provided is a frac window system, a well system, and a method. The frac window system, in at least one aspect, includes an elongated tubular having a first end and a second end with an opening defined in a wall of the elongated tubular between the first end and the second end, the wall having an inner surface and an outer surface, wherein the opening in the wall is configured to align with a window of a first wellbore casing, and a spacer window sleeve positioned within the elongated tubular, the spacer window sleeve including a tubular having a first tubular end and a second tubular end with a second opening defined in a second wall of the tubular between the first tubular end and the second tubular end, the second wall having a second inner surface and a second outer surface, wherein the second opening in the second wall is configured to at least partially align with the opening in the wall of the elongated tubular.

Abstract: Provided, in one aspect, is an anchoring subassembly, a well system, and a method. The anchoring subassembly, in one aspect, includes a mandrel, and an isolation element positioned about the mandrel, the isolation element configured to move between a radially retracted state, a fully radially expanded state, and a relaxed radially expanded state. The anchoring subassembly, in one aspect, further includes a ratch latch body coupled to the isolation element, the ratch latch body configured to hold the isolation element in the fully radially expanded state, and a relief feature coupled to the ratch latch body, the relief feature configured to shear to release stored energy in the isolation element and thereby allow the isolation element to move from the fully radially expanded state to the relaxed radially expanded state.

Abstract: The purpose of the invention is to provide in situ treatment and flow diversion of contaminated groundwater without the need for an external energy source. The primary means by which contaminated groundwater is treated in situ within a subsurface environment is through the use of the use of the modular SubflowRx and interrelated components that work together or independently to control groundwater flow outside the system as well as diverting contaminated groundwater inside the system for extended treatment. The present disclosure provides embodiments, examples, and advantages of how the components work to achieve this common purpose.

Abstract: An apparatus includes a ballast that is configured to couple to an untethered downhole tool. The ballast includes a composite material. The composite material includes a first portion and a second portion. The first portion includes metallic particles. The first portion is configured to, while the ballast is coupled to the untethered downhole tool, provide weight to the untethered downhole tool to lower the untethered downhole tool into a well formed in a subterranean formation. The second portion includes a polymer matrix. The metallic particles of the first portion are distributed throughout the polymer matrix of the second portion. The second portion is configured to dissolve in response to being exposed to downhole fluid within the well at specified downhole conditions, thereby releasing the metallic particles of the first portions from the polymer matrix that has dissolved.

Abstract: A wellbore tubular flotation device comprises a housing having a locking element disposed thereon. The housing is shaped to move through an interior of a wellbore tubular segment. The locking element is shaped to engage the interior of the wellbore tubular segment. The locking element comprises a locking mechanism configured to urge the locking element into contact with the interior of the wellbore tubular. A burst disk is engaged with the housing and is shaped to close the tubular segment to fluid flow. A release mechanism is configured to reverse the urging of the locking mechanism when a release tool is moved through the housing.

Abstract: A well tool performs an operation in an oil/gas well. The well tool is insertable into a bore including a guide groove in an inner surface of the bore. The well tool includes: a mandrel having a longitudinal direction and a radial direction perpendicular to the longitudinal direction; and an orientation system for longitudinal and rotational orientation of the well tool with respect to the bore. The well tool further includes an outer housing arranged radially outside the mandrel. The orientation system includes: a radial opening provided in the outer housing; a finger sleeve including a longitudinally extending resilient finger with a distal part and a proximal part connected to the finger sleeve. The finger sleeve is arranged radially between the mandrel and the outer housing. The distal part includes a first wedge-shaped portion and a second wedge-shaped portion both extending in the outwards radial direction and tapering away from each other in the longitudinal direction.

Abstract: A short radius drilling tool and a trajectory-controllable lateral drilling tool and method, including a lateral drilling section with high passing ability and a power transmission section, wherein the lateral drilling section with high passing ability can drill the extension well section of a short to ultra-short radius well section that extends laterally from a main wellbore. The designed trajectory-controllable lateral drilling tool allows a wellbore to be subjected to directional drilling with a short to ultra-short radius from a tail end or any position of the original wellbore trajectory, and then implements lateral extension drilling.

Abstract: An apparatus configured to be positioned on a tubular string in a wellbore formed in a subsurface formation. The apparatus comprises a generator assembly disposed on the tubular string and configured to output power to a downhole tool. The generator assembly includes a first generator configured to output a first power to the downhole tool. The generator includes a second generator configured to function as an exciter for the first generator.

Abstract: A method of dispensing a plug can include deploying the plug into a tubular string including a plug dispenser tool, and applying a pressure differential across the plug, thereby discharging the plug into an annulus surrounding the plug dispenser tool. A plug dispenser tool can include an outer housing having a plug discharge port that provides fluid communication between an exterior of the outer housing and a flow passage extending longitudinally through the plug dispenser tool, and a piston slidably disposed in the outer housing between a closed position in which the piston blocks fluid flow through the plug discharge port, and an open position in which fluid flow through the plug discharge port is permitted. A system can include a plug dispenser tool configured to discharge the plug into an annulus surrounding the plug dispenser tool in response to a predetermined pressure differential applied across the plug.

Abstract: An apparatus with a straddle packer for use within a wellbore. The straddle packer can include a tubular body comprising a first bore and a second bore and a first sealing element configured to seal against an inner surface of a casing installed within the wellbore. A second sealing element configured to seal against the inner surface of the casing, and the second bore can be located between the first sealing element and the second sealing element. An obstruction disposed in association with the tubular body, wherein the obstruction is movable between a first position in which the obstruction opens the second bore and a second position in which the obstruction closes the second bore.

Abstract: Methods and an apparatuses are for determining at least one property of a wellbore fluid system. A measurement apparatus having one or more pipe sections is provided, a drilling fluid is communicated through the pipe section, at least one density which is associated with at least one condition of pressure and temperature of the drilling fluid in the pipe section is measured, and the density of the drilling fluid is measured to determine the property of the wellbore fluid system.

Abstract: A system, such as a bottom hole assembly, having a central body (18), at least one hydrostatically-actuatable assembly (50) configured to extend radially outward from the central body (18), the hydrostatically-actuatable assembly (50) having at least one N piston body (76) exposed to hydrostatic pressure; a plurality of passive structures (54), each of which is: configured to extend radially outward from the central body (18); and circumferentially spaced from the at least one hydrostatically-actuatable assembly (50) and another one of the plurality of passive structures.