Abstract: A downhole clean out tool includes a housing coupled to a downhole conveyance and defining an inner volume that includes a flow path that extends from an uphole end to a downhole end that includes a fluid inlet; a first flow port oriented towards the downhole end and configured to fluidly couple the flow path to an annulus of the wellbore through the housing; a seat formed in the housing and configured to receive a member inserted into the wellbore such that the flow of the wellbore fluid is diverted from the flow path, through the first flow port, to the annulus, and to the fluid inlet based on the member seated on the seat; at least one screen positioned in the inner volume; and a second flow port oriented towards the uphole end and configured to fluidly couple the flow path to the annulus of the wellbore.

Abstract: A return exhaust assembly (50) for a reverse circulation hammer H comprises return tube (52) having first and second ends and a seat (56) at or near the first end (54). An exhaust sleeve (58) has: a section (60) seated and resiliently supported on the seat (56); and, a portion (62) that extends to and includes an end (64) of the exhaust sleeve (58) distal the section (60). The portion (60) surrounds a length of the return tube (52) with an annular clearance 66 formed between the return tube (52) and the sleeve (58) from a down hole end of the seat (56) to the distal end (64) of the exhaust sleeve (58). This arrangement allows relative movement, and therefore a degree of misalignment between the exhaust sleeve (58) and the return tube.

Abstract: A completion assembly includes an upper liner and a lower liner, a wellbore completion component that interposes the upper and lower liners, a sliding sleeve arranged within the wellbore completion component and providing a projectile seat on an uphole end of the sliding sleeve, and a dissolvable pipe plug secured within an aperture defined in the wellbore completion component and extending at least partially through the sliding sleeve, wherein the dissolvable pipe plug holds the sliding sleeve in a first position until the pipe plug dissolves.

Abstract: Systems, apparatus and methods are described for purposes of initiating a response to detection of an adverse operational condition involving a system including a drill rig and an inground tool. The response can be based on an uphole sensed parameter in combination with a downhole sensed parameter. The adverse operational condition can involve cross-bore detection, frac-out detection, excessive downhole pressure, a plugged jet indication and drill string key-holing detection. A communication system includes an inground communication link that allows bidirectional communication between a walkover detector and the drill rig via the inground tool. Monitoring of inground tool depth and/or lateral movement can be performed using techniques that approach integrated values. Bit force based auto-carving is described in the context of an automated procedure.

Abstract: A plug that can maintain isolation also in a high-temperature and low salt concentration fluid or water only for a predetermined period of time is provided. A plug for temporarily preventing circulation of a fluid in a well includes or composed of a resin molded article, the resin molded article being formed from a polyglycolic acid resin composition containing a polyglycolic acid and a cyclic carbodiimide compound and having a carbodiimide group concentration of 15 eq/t or greater.

Abstract: A device includes a drill bit body defining an axis of rotation, a plurality of drill blades on the drill bit body, and a shaped cutter secured to at least one of the plurality of drill blades. The shaped cutter including an engagement surface having an exposed partially flattened boundary, wherein a contact point of the engagement surface during drilling is off-centered with respect to a center of the exposed partially flattened boundary.

Abstract: An isolation and filtration object including a volume of material having a first geometry wherein permeability is relatively lower, the geometry being that of a plug landable on a landing feature and a second geometry where permeability is relatively higher, the second geometry being larger than the first geometry and occupy a flow path in a borehole in which the plug is deployed. An isolation and filtration system including a housing, a plug seat in the housing, and an isolation and filtration object disposable on the plug seat. A borehole system including a borehole in a subsurface formation, a string in the borehole, and an isolation and filtration system connected to the string. A method for operating a borehole including migrating a plug to a seat in a housing, landing the plug in the seat, differentiating pressure across the plug, and transitioning the plug to the second geometry.

Abstract: A downhole tool comprises at least one inlet and a first pump coupled to the at least one inlet via a first flow line. The first pump is to pump at a first pump rate to extract fluid via the at least one inlet from a subsurface formation in which a borehole is created and in which the downhole tool is to be positioned. A sample chamber is coupled to the inlet via a second flow line, and a second pump is coupled to the inlet via the second flow line. The second pump is to pump at a second pump rate to extract the fluid via the at least one inlet from the subsurface formation and for storage in the sample chamber. The first pump rate is greater than the second pump rate.

Abstract: A method includes disposing an intervention service tool within a tubular. The intervention service tool includes an anchoring system, a shifting system, and a linear actuator system. The tubular includes a shifting profile geometry disposed within the tubular at a first location. The anchoring system, the shifting system, and/or the linear actuator system is actuated. Shifter system pressure, linear actuator system force/pressure, and displacement of the shifting system is measured. A known graph of the shifting profile geometry is compared to one or more of a measured pressure, a measured force, or a measured displacement. A position of a key disposed on the shifting system is determined relative to the shifting profile. The shifting profile geometry is engaged with the key based on the position of the key. The shifting profile geometry is positioned at a second location that is different from the first location.

Abstract: A system includes a tubular disposed within a borehole, a sleeve disposed around the tubular, and an isolation element bounded to an outer diameter of the sleeve. The inner diameter of the sleeve is connected to an outer diameter of the tubular via a plurality of seals. The isolation element is configured to conform to a surface of the borehole when the isolation element is in an expanded configuration. The sleeve compensates for movement of the tubular by being able to freely move across the tubular.

Abstract: Aspects of the subject technology relate to securing magnets within a nuclear magnetic resonance (“NMR”) tool in a manner that prevents damage or disturbance of the magnets due to the drilling environment, and more particularly, to creating a chamber within the structure of a logging while drilling (“LWD”) tool to isolate the magnets from certain external conditions. A downhole tool comprises a tool collar with a recessed portion comprising a collar mandrel section and a threaded segment, wherein the recessed portion of the tool collar comprises at least one cavity configured to accept one or more carriers configured to hold one or more magnets, a compression sleeve covering the recessed portion and the at least one cavity of the downhole tool; and a compression sub component mated to the threaded segment and configured to compress the compression sleeve toward the shoulder of the unrecessed portion of the tool collar.

Abstract: A drilling rig includes a carrier, a ground support attached to the carrier for supporting the carrier on the ground, a drilling boom attached at a first end to the carrier, a feed beam attached to a second end of the drilling boom, a drilling unit attached movably along the feed beam, a ground pin attached to the feed beam for supporting the feed beam onto the ground, and control means configured for performing the steps of at least: receiving ground support force information indicative of force applied by the ground support to the ground, and detecting ground contact state of the ground pin on the basis of the received ground support force information.

Abstract: Methods, apparatus, and products for receiving measurements indicative of present value torque (TrqPv) currently being applied by a top drive to a drill string extending in a well that penetrates a subterranean formation, and releasing torque accumulated in the drill string by determining polarity of TrqPv and, in response to a manual or automatic trigger, causing the top drive to perform an unwinding operation in a direction opposite to the determined TrqPv polarity.

Abstract: A system for controlling pressure applied in a well intervention operation using a physics-based model is provided. The system can include a stripper element that includes a pressure retention element for sealing a wellbore during an intervention operation that uses coiled tubing; a stripper circuit that includes a hydraulic actuator to apply a pressure to the pressure retention element; a processing device coupled to the hydraulic actuator that can receive, from the stripper circuit, a feedback signal. The processing device may receive a physical characteristic of a component and then determine, using data from the feedback signal and the physical characteristic, a minimum pressure level to contain wellhead pressure. The processing device may then output a command to cause the hydraulic actuator to change the pressure on the pressure retention element to be the minimum pressure level or within a pre-set deviation of the minimum pressure level.

Abstract: A wellbore system includes a lock ring forming at least a portion of a sealing assembly, the lock ring being coupled to and axially lower than one or more components of the sealing assembly to be positioned within an annulus. The wellbore system also includes a pedestal coupled to the lock ring, the pedestal arranged axially lower than at least a portion of the lock ring, the pedestal to be installed within the annulus. The wellbore system further includes a shoulder formed on at least a portion of a hanger. The wellbore system also includes a debris pocket formed within the annulus, the debris pocket arranged axially lower than both the shoulder and a lock ring groove.

Abstract: According to embodiments, a modified casing buoyancy system is provided for use as either one or both a casing buoyancy tool during casing operations and a cement plug during cementing operations, the apparatus being operably connected to a casing string and having at least two tubulars, wherein a portion of at least one (outer) tubular comprises at least one connector for controllably releasing said tubular downhole, and at least a portion of the other (inner) tubular comprises a dissolvable portion for controllably degrading thereof.

Abstract: A casing valve is disclosed that includes a first component configured to connect to a casing string, a second component configured to connect to the casing string, a mandrel disposed between the first component and the second component, the mandrel having a plurality of ports, a housing disposed outside of the mandrel, the housing having a plurality of ports, a piston disposed between the mandrel and the housing and configured to move in a first direction from a first position that forms a barrier between the ports of the mandrel and the ports of the housing to a second position that is adjacent to the ports of the mandrel and the ports of the housing and a dissolvable component configured to restrain the piston in the first position and to dissolve when exposed to a fluid to release the piston.

Abstract: A tubing hanger is provided that includes a cylindrical body having a bore defined therethrough. Also, a connection member integrally is formed with the cylindrical body. The connection member includes threads for mating with a rotating flange of a production tree.

Abstract: A method for monitoring and controlling a downhole pressure of a well during formation of a borehole of a well is provided. The method can include monitoring a downhole pressure of a well during formation of a borehole of the well using a millimeter wave drilling apparatus including a waveguide configured for insertion into the borehole. The monitoring can include determining the downhole pressure. The downhole pressure can include an amount of pressure present at a bottom of the well. The method can also include determining a lithostatic pressure of rock surrounding the well at the bottom of the well. The method can further include controlling the downhole pressure relative to the lithostatic pressure of the rock surrounding the well at the bottom of the well. Related systems performing the methods are also provided.

Abstract: A method, includes: detecting one or more properties of a waveguide having a downhole end and an uphole end; and responsive to the detected one or more properties, positioning into a passage of a wellbore the waveguide to minimize tension thereof.