Abstract: A downhole power delivery system for use in a well comprising downhole metallic pipe (2) running in a borehole of the well with a downhole sealing plug (31) provided in a bore or annulus at least partly defined by the downhole metallic pipe. The power delivery system comprising below plug apparatus (5) located in the borehole below the plug (31) including a downhole device (53) requiring electrical power and downhole power supply apparatus (6) located in the borehole above the plug (31). The power supply apparatus (6) comprises at least one battery (64) for powering the downhole device and the downhole power supply apparatus (6) and below plug apparatus (5) being arranged for delivering electrical power from the downhole power supply apparatus (6) to the downhole device (53) across the downhole sealing plug (31).

Abstract: A safety device (20) for attaching to a pipe string (10) comprising a plurality of connected pipe sections (12). The device is configured, comprises a support structure (22) and a clamping arrangement (24) comprising a first engagement member (32) and a second engagement member (34), which clamping arrangement (24) comprises a disengaged state and an engaged state. The support structure comprises a recess (30) adapted to receive the envelope surface of the pipe section. The first engagement member and the second engagement member are arranged in different parts of the recess so that opposite sides of the pipe section are clamped between the first engagement member and the second engagement member when the clamping arrangement is in the engaged state.

Abstract: A well tool to be oriented and secured in a wellbore without the external application of torque, and a well system incorporating the same. After installation of orientation casing and universal latch coupling casing, the self-orienting selective lockable latch well tool is run downhole to the target depth, picked up to free the internal locking mechanism, and then loaded with downhole stress to engage the locking mechanism.

Abstract: A bottom hole assembly (BHA) comprising: a first component of a wet latch assembly, the first component configured for coupling, when extended into the interior flow bore of the BHA, with a second component of the wet latch assembly to provide an assembled wet latch assembly, such that an electrical connection can be made between the first component and the second component; and a formation tester operable for performing a formation test, the formation tester electrically connected with the first component of the wet latch assembly, such that power and/or telemetry can be provided to the formation tester via the assembled wet latch assembly during the formation test.

Abstract: A setting tool for setting frac plugs and the like can include a mandrel having a chamber for housing expandable gas and a gas port in fluid communication with the chamber; a firing head secured to the mandrel for igniting a power charge to generate pressurized gas within the chamber; a barrel piston housing the mandrel and connected to a sleeve for setting the frac plug; and an expansion region defined between the mandrel and the barrel piston and receiving the pressurized gas which exerts force to cause a stroke of the barrel piston over the mandrel as the expansion region expands axially. The setting tool can include various features, such as certain gas bleed systems, an enhanced shear screw assembly, a bleed port and plug assembly, a scribe line, a particular gas port configuration, a liquid escape conduit, no-shoulder barrel configuration, and/or a low-force design for frac plugs.

Abstract: A method of increasing a permeability of a strata includes positioning an electromagnetic tool at a first location of the strata, generating a first time-varying magnetic field using the electromagnetic tool, and applying a first time-varying magnetic force to a first magnetic material of the strata using the first time-varying magnetic field, where the strata includes a first plurality of pores. The method further includes fracturing the strata to increase the permeability of the strata proximate the first location using the first time-varying magnetic force.

Abstract: In aspects, the present disclosure provides a perforating gun that includes a carrier tube, and a charge tube assembly. The carrier tube includes a bore and a groove formed along an inner surface. The charge tube assembly is disposed in the bore of the carrier tube and includes a charge tube, an alignment end plate, an insertion end plate, a retention member, shaped charges, and a detonating cord. The charge tube has a plurality of shaped charge openings, a plurality of post openings, a first end, and a second end. The alignment end plate is connected to the first end of the charge tube. The insertion end plate is connected to the second end of the charge tube. The shaped charges are disposed in each of the shaped charge openings. Each shaped charge has a post projecting out of one post opening. The detonating cord is connected to each of the projecting posts.

Abstract: A wellbore select fire switch retaining member system and method with an integrated through wire and ground wire in a switch sub. The system/method includes a retaining member that has a form factor acceptable by a conventional switch sub. The retaining member incorporates an electrical connection to the center pin of a pressure switch. The system further includes a secondary piston aligned with a piston in the switch (switch piston) so that external pressure is fully acted upon the entire switch piston creating a reliable switch connection. Another system includes an integrated retaining member and switch module having a form factor compatible with existing switch subs. The integrated module inputs include a ground wire and a through wire and the outputs include a ground wire, through wire and an arming wire.

Abstract: A digging apparatus (10, 300) is disclosed. The digging apparatus (10,300) includes a handle assembly (14, 14a, 314), a motor (32), a main switch (22, 322) electrically connected with the motor (32). The main switch (22,322) is movable between a first position in which operation of the motor (32) is allowed and a second position in which operation of the motor (32) is prevented, and a drilling bit (88, 88a, 388) is driven by the motor (32).

Abstract: An apparatus includes a housing, engagement slips, a tubular, a taper tap, a pin, and a slip activation member. The housing includes a profile that defines a path including a first end and a second end. The engagement slips are attached to the housing. The tubular passes through an opening of the housing. The taper tap is rotatable and connected to the housing. The pin is connected to the tubular and received by the profile of the housing. The tubular is translatable with respect to the housing based on the pin translating along the path defined by the profile. The slip activation member is connected to the tubular. The slip activation member is configured to move each of the engagement slips radially outward with respect to the housing when the pin translates to the second end of the path.

Abstract: A probe (3) and a probe arrangement (1) for a pressure measurement of a water phase inside a hydrocarbon reservoir (12). The probe (3) comprises a body (5) comprising a pressure measuring chamber (7) and at least one opening (10) to the pressure measuring chamber (7), and a surface of the body (5) is arranged with a hydrophilic characteristic. The probe arrangement comprises a displacement mechanism (46) adapted to displace the probe from a first position, where the opening of the probe is located outside the reservoir, to a second position, where said at least one opening (10) of the probe (3) is located at a position inside the reservoir (12).

Abstract: A roller coupling apparatus for securing rods and other threaded components together in a pumping system. The roller coupling apparatus can include a body with a plurality of radially-positioned wheels rotatably coupled to the body. The arrangement of the wheels can uniformly spread the rod load within the interior diameter of the tubing. The body can include flat outer surfaces to facilitate increased fluid flow capacity around the apparatus. In operation, the wheels contact and roll along the interior diameter of the tubing, preventing surface-to-surface wear of the coupling body exterior and tubing interior, thereby prolonging coupling and tubing life. In one embodiment, the wheels can include wear grooves that can indicate wear areas in the wellbore. In one embodiment, the body can include grooves to permit retrieval of the apparatus when needed. Multiple apparatuses can be utilized to form rod strings of various lengths.

Abstract: A sensor assembly may include a housing made of a non-magnetic material. The housing may define an interior chamber. A shaft may extend from the housing. A bearing may be positioned around the shaft. An impeller may be positioned around the shaft and the bearing, and the impeller may include a magnetized portion. A sensor may be positioned within the interior chamber and/or proximate the magnetized portion. The sensor may detect the magnetized portion of the impeller to sense a rate of rotation of the impeller. The rate of rotation of the impeller may correspond to changes in flow rate of the fluid. As the flow rate of the fluid, and the rate of rotation of the impeller change in predetermined manners, control signals may be conveyed to activate a tool.

Abstract: The present invention discloses an ultrasonic wellbore anti-collision monitoring system, comprising a downhole ultrasonic monitoring device and a ground control system, wherein the ultrasonic monitoring device includes a cylindrical body, at least three centralizers are fixed on the cylindrical body at an equal interval, the mounting groove 1 is cut into the cylindrical body surface between two adjacent centralizers, one electrically controlled expansion device is installed in the groove 1 and includes electric push rods placed horizontally and a ribbed plate perpendicular to the electric push rods, the bottom ends of the electric push rods are fixedly connected to the bottom surface of the mounting groove, the front ends of the electric push rods are connected with the ribbed plate, the mounting groove 2 is cut into the ribbed plate, and one ultrasonic transducer is installed in the groove 2.

Abstract: A method of releasing plugging devices into a wellbore can include conveying a dispensing tool to a desired downhole location in the wellbore, the dispensing tool including a container, and then releasing the plugging devices from the container into the wellbore at the downhole location. A plugging device dispensing system for use with a subterranean well can include a dispensing tool having a container configured for containing multiple plugging devices, and an actuator operable to release the plugging devices from the container at a downhole location in the well.

Abstract: Example of the present disclosure relate to frac sleeve with set of inner sleeves that allow selective open and close of such sleeves, where clusters of the same frac sleeves to be treated top to bottom.

Abstract: An electronic valve is placed in line with a casing in a well. The electronic valve includes a housing having plural ports that are blocked; a valve configured to initiate unblocking of the plural ports to allow fluid communication between the bore of the housing and an outside of the housing; and a deformable seat device having a body placed inside of the bore of the housing. The deformable seat device is configured to have a given diameter D3 for at least one of first and second ends of the body when the plural ports are blocked, and a smaller diameter when the plural ports are unblocked.

Abstract: A shock isolator device for use in a downhole tool attenuates axial shocks to a protected structure and maintains that structure's rotational orientation to the tool while reducing damage to, maintenance costs of, and wear on, the device components. The shock isolator device interposes an internally- and externally-splined key between an internally-splined sleeve on an anti-rotation section and an externally-splined plunger attached to a connector. The key is less wear-resistant than the sleeve or plunger and can be replaced. The meshed sleeve, key, and plunger force the protected structure attached to the connector to maintain its rotational orientation. The sleeve of the anti-rotation system is attached to a shock damper, which damps axial shocks between the plunger and the sleeve, and is connected to a second connector. The shock damper includes a spring assembly and a viscous damper using a piston in an oil-filled cylinder forcing oil through an orifice.

Abstract: Coring tools for procuring core samples from an earth formations may include an inner barrel and an outer barrel located around, and rotatable with respect to, the inner barrel. A coring bit may be affixed to an end of the outer barrel. A sensor module may be rotationally secured to the inner barrel. The sensor module may include at least one sensor configured to measure a dynamic response of the inner barrel during a coring process and a nontransitory memory operatively connected to the at least one sensor, the nontransitory memory configured to store data generated by the at least one sensor.

Abstract: A downhole tool and method for orienting a tool string within a passage, wherein the passage is a wellbore or a tubular member disposed in a wellbore. The downhole tool may include a frame (210) operable for connection with the tool string (100), a first orienting feature (211) connected to a first side of the frame (210), and a second orienting feature (212) connected to a second side of the frame (210). The first orienting feature (211) may be rotatable relative to the frame about a first axis of rotation that is offset from a central axis of the tool string and the second orienting feature (212) may be rotatable relative to the frame about a second axis of rotation that is offset from the central axis of the tool string.