Abstract: A self-orienting internal assembly for use in a perforating gun housing may include a charge carrier and a first rotation assembly coupled to the charge carrier. The charge carrier may include a shaped charge holder configured to hold a shaped charge and a detonator holder configured to receive a detonator therein and coupled to a first end of the shaped charge holder. The first rotation assembly being configured to contact an interior surface of the perforating gun housing.

Abstract: A tandem seal adapter for connecting first and second wellbore tools includes a body portion. The body portion has a first seal at a first end portion thereof, and a second seal at a second end portion thereof. The body portion includes a maximum outer diameter that is less than a maximum inner diameter of a mating portion of the first or second wellbore tool.

Abstract: A disposable setting tool may include an outer housing and a piston. The outer housing may have a proximal end portion defining a power charge chamber and a distal end portion. The outer housing may define a longitudinally-extending bore configured for holding a medium therein. The bore and the power charge chamber may be divided from one another by a proximal wall. The piston may be configured for receipt in the bore and to move axially relative to the outer housing.

Abstract: A communication unit may be used within a wellbore tool string in communication with a surface unit and comprising at least one downhole tool. The communication unit may include a housing defining a chamber therein and an electronics board disposed within the chamber. The electronics board comprising a processing circuit. The processing circuit may be configured to perform receiving an electronic signal from one of the surface unit and the at least one downhole tool, processing the electronic signal, and transmitting the processed electronic signal to the other of the surface unit and the at least one downhole tool.

Abstract: A non-primary explosive detonator includes an outer shell having a head portion defining a chamber therein, and a body portion extending distally from the head portion. The body portion of the outer shell defines a longitudinally-extending bore therethrough. The detonator further includes a column of deflagrating and detonating material positioned in the bore of the body portion. The bore and the column of deflagrating and detonating material may taper at a distal section thereof. A distal end of the outer shell may define an opening in fluid communication with the bore to allow for combustion to exit via the opening.

Abstract: A perforating gun may include a first housing, a charge holder positioned within the first housing and configured to receive a shaped charge, an initiator, a detonating cord configured to detonate the shaped charge, and a first spring positioned within the first housing. A relative position of the initiator and the detonating cord may be movable between a first position in which the perforating gun is ballistically unarmed and a second position in which the perforating gun is ballistically armed. The first spring may bias the initiator and the detonating cord to the first position.

Abstract: An adapter assembly for use with a wellbore tool string. The adapter assembly may include a tandem seal adapter (TSA) and a collar. The TSA has a TSA body extending along an axial direction and a TSA rib may extend radially outward from the TSA body in a radial direction substantially perpendicular to the axial direction. The collar may be provided outward from the TSA in the radial direction. The collar may include a collar body extending along an axial direction and a collar rib extending radially inward from the collar body in the radial direction. The collar rib is positioned between the TSA rib and a housing of a wellbore tool in the axial direction.

Abstract: A disposable setting tool may include an outer housing and a piston. The outer housing may have a proximal end portion defining a power charge chamber and a distal end portion. The outer housing may define a longitudinally-extending bore configured for holding a medium therein. The bore and the power charge chamber may be divided from one another by a proximal wall. The piston may be configured for receipt in the bore and to move axially relative to the outer housing.

Abstract: A perforating gun may include a first housing, a charge holder positioned within the first housing and configured to receive a shaped charge, an initiator, a detonating cord configured to detonate the shaped charge, and a first spring positioned within the first housing. A relative position of the initiator and the detonating cord may be movable between a first position in which the perforating gun is ballistically unarmed and a second position in which the perforating gun is ballistically armed. The first spring may bias the initiator and the detonating cord to the first position.

Abstract: A ballistic interrupt assembly may include an interrupt, a magnet coupled to the interrupt, an activator block formed of a magnetizable material and configurable between a non-magnetized state and a magnetized state, a bias element provided between the magnet and the activator block. A bias force of the bias element may be greater than a first magnetic attraction force between the magnet and the activator block in the non-magnetized state. The bias force of the bias element may be less than a second magnetic attraction force between the magnet and the activator block in the magnetized state.

Abstract: A wireline release tool may include a casing configured to couple to a wireline and a connector configured to couple to a tool string. The casing may have a first end, a second end, and a chamber therebetween, and the connector may be detachably attached to the second end of the casing. A gas generator may be disposed in the chamber and may be capable of generating gas pressure in the chamber sufficient to overcome a pressure differential between the chamber and the external wellbore environment and to detach the connector from the casing.

Abstract: A perforating gun assembly is configured for use in unconventional wells, for example in rock formations with low permeability. The perforating gun assembly includes a perforating gun housing and a shaped charge positioned in the perforating gun housing. The shaped charge and the perforating gun housing are configured to improve total target penetration in unconventional wells by 20-100%.

Abstract: A ballistically-safe wellbore tool may include an explosive device, an initiator including an initiating charge, and a bias member. A relative configuration of the explosive device and the initiator may be switchable between a first configuration, in which the initiating charge is at a ballistically safe distance from the explosive device, and a second configuration, in which the initiating charge is within a ballistically operable distance from the explosive device. The bias member is configured to bias the explosive device and the initiator to the first configuration.

Abstract: An adapter assembly for use with a wellbore tool string. The adapter assembly may include a tandem seal adapter (TSA) and a collar. The TSA has a TSA body extending along an axial direction and a TSA rib may extend radially outward from the TSA body in a radial direction substantially perpendicular to the axial direction. The collar may be provided outward from the TSA in the radial direction. The collar may include a collar body extending along an axial direction and a collar rib extending radially inward from the collar body in the radial direction. The collar rib is positioned between the TSA rib and a housing of a wellbore tool in the axial direction.

Abstract: A downhole perforating gun system may include a first cylindrical gun housing including a first end, a second end, and a central longitudinal axis extending axially therethrough. An electrical connector may be disposed within the first cylindrical gun housing and configured to communicate electrically in the downhole perforation gun system. A shaped charge holder and a first bearing component may be disposed within the first cylindrical gun housing such that the shaped charge holder is rotatable relative to the first cylindrical gun housing. A counterweight mechanism may include one or more weights and may be rotatable by the weights via the first bearing component based on gravity.

Abstract: An orientable perforating gun assembly includes a gun housing and a charge carrier positioned within an interior space of the gun housing. The charge carrier supports a shaped charge in a fixed rotational orientation relative to the gun housing. The orientable perforating gun assembly further includes an orientation alignment ring rotatably connected to a first end of the gun housing.

Abstract: A system for use within a gun housing of a perforating gun may include a centralizer and a detonator holder. The centralizer may include a centralizer body and a centralizer bore extending through the centralizer body. The detonator holder may be disposed within the centralizer bore and may include a first detonator holder end configured to receive a detonator and a second detonator holder end comprising a detonator holder coupling. The detonator holder may extend through the centralizer and may be mechanically coupled to the centralizer. The centralizer may be configured to engage with an inner surface of the gun housing.

Abstract: An orientable perforating gun assembly includes a gun housing and a charge carrier positioned within an interior space of the gun housing. The charge carrier supports a shaped charge in a fixed rotational orientation relative to the gun housing. The orientable perforating gun assembly further includes an orientation alignment ring rotatably connected to a first end of the gun housing.

Abstract: A device for connecting a first wellbore tool to a second wellbore tool in a tool string is described. The device may include a receptor assembly and a snap assembly including a snap. The receptor assembly may include a first end, a second end, and a receptor groove. The first end may be configured to couple with the first wellbore tool. The snap assembly may include a first end and a second end, the first end of the snap assembly may be configured to couple with the second end of the receptor assembly, and the second end of the snap assembly may be configured to removably couple with the second wellbore tool. The snap included in the snap assembly configured to extend into the receptor groove included in the receptor assembly to couple the first end of the snap assembly with the second end of the receptor assembly.