Abstract: A drill bit includes a bit body with high and low fluid pressure bodies. The low-pressure bit body includes a fixed cutting structure, and the high-pressure bit body includes at least one high-pressure fluid channel and nozzle capable of withstanding fluid pressures greater than 40 kpsi (276 MPa). A bottomhole assembly includes a drill bit with a bit body having fixed cutter and fluid jetting portions. Low and high-pressure channels in the bit body exit in the fixed cutter and fluid jetting portions. A high-pressure nozzle is coupled to the fluid jetting portion and the high-pressure fluid channel, and a plurality of fixed cutting elements are coupled to the fixed cutter portion. A pressure intensifier is coupled to the drill bit and is configured to increase a pressure of a fluid supplied to the high-pressure fluid channel in the bit body.

Abstract: A filter assembly can include a filter element and a fluid inlet for fluid to flow through the filter element. The filter assembly can include bypass ports that are in a closed position from bypass port plugs until the filter screen becomes sufficiently clogged such that the fluid is restricted or prevented from flowing through the filter screen, which causes pressure to build up within the filter assembly. The increase in pressure can cause the bypass port plug to open the bypass ports such that fluid can flow through the bypass ports. The filter assembly can include a debris sleeve that partially or wholly surrounds the filter screen.

Abstract: A perforating gun includes an outer sleeve included of a generally tubular wall structure having a peripheral surface around the outside, opposite ends thereof and a central passage therethrough extending from one end to the other end and further including a connection at each end to connect to other tools in a tool string wherein the outer sleeve is configured to carry the tensile and compressive forces imposable on the perforating gun as the perforating gun is deployed in the wellbore, and at least one pressure sealed perforating module installed within the central passage of the outer sleeve having a shaped charge sealed therein and wherein the installation of the pressure sealed perforating module within the outer sleeve is configured to substantially eliminate the transfer of tensile or compressive forces imposable on or by the tool string onto the at least one pressure sealed perforating module.

Abstract: The present disclosure provides methods for bonding a first downhole tool to a borehole tubular, which include applying solder particles, each particle having an outer shell and a core of liquid metal, to at least one of a surface of the first downhole tool or a surface of the borehole tubular. The methods may also include rupturing the shells of the solder particles to release the liquid metal cores. The methods may further include bonding the first downhole tool to the borehole tubular by allowing the released liquid metal core to solidify.

Abstract: A system for conditioning a gas includes an inlet configured to receive the gas from a gas source. The system also includes a strainer downstream from the inlet. The strainer is configured to remove debris from the gas. The system also includes a first flowpath downstream from the strainer. The first flowpath includes a first pressure regulator that is configured to regulate a pressure of the gas by a first amount. The system also includes a second flowpath downstream from the strainer. The first and second flowpaths are parallel. The second flowpath includes a second pressure regulator that is configured to regulate the pressure of the gas by a second amount. The system also includes one or more flowpath valves downstream from the strainer and upstream from the first pressure regulator, the second pressure regulator, or both.

Abstract: A drilling rig may include a detachable, modular cellar arranged beneath a drill floor of the drilling rig. The cellar may be or include a cellar trailer and it may also be configured to house drilling equipment, such as well head equipment and/or one or more blowout preventers. The cellar trailer may provide work areas, such that the well head equipment may be prepared, tested, or generally operated within the cellar trailer. The cellar trailer may additionally be configured to provide stiffening support to the drill floor in order to mitigate deflection of the drill floor during drilling operations. The stiffening support may be provided by a shear wall extending from the cellar trailer. The cellar trailer may be towable. The cellar trailer may additionally be skiddable and/or walkable.

Abstract: A wellbore casing self-tightening tubular gripping device.

Abstract: A flow control system includes a nozzle for controlling the flow of fluids into production tubing from a hydrocarbon containing reservoir. The nozzle comprises a passage extending between an inlet and an outlet, wherein the passage comprises converging and diverging sections separated by a corner. The nozzle serves to effectively choke the flow of steam and thereby allows preferential production of hydrocarbons.

Abstract: Drilling-fluid monitoring technology for a drilling rig's drilling-fluid circulation system. Pairs of vertically separated pressure sensors are installed at various points in the circulation system, including at the bell nipple or flow line, to provide drilling-fluid density information at different points in the circulation system. The bell nipple/flow line sensors provide information about the height of the fluid in the bell nipple and the density of the drilling fluid before the cuttings are removed from the fluid. Changes in the bell-nipple drilling-fluid density or height may indicate potentially dangerous borehole conditions. Similarly, comparisons between bell-nipple drilling-fluid density with the density at other points in the circulation system provide information about the status of the circulation system. This information may be used to operate the drilling rig more safely and efficiently during the drilling process.

Abstract: A fracturing system can include a fracturing manifold coupled to a plurality of fracturing trees. The fracturing manifold may include adjustment joints that enable adjustment of the length of the fracturing manifold. The fracturing manifold can also include pivot joints that allow angular displacement of portions of the fracturing manifold with respect to other portions. The adjustment and pivot joints can accommodate spacing and elevation differences between the fracturing trees.

Abstract: A stripper head assembly for holding back pressure while stripping a work-string from pressurized well environment is disclosed. The stripper head assembly comprises a stripper head, a stripper insert, a stripper rubber, one or more retention bushing assemblies, one or more retention pins, and one or more retention apertures. The stripper head comprises an outer portion of the stripper head assembly. The stripper head comprises, from top to bottom, a top portion, a body portion, a lower neck portion and a flange base. A portion of the stripper insert fits within a portion of the stripper rubber. A portion of the stripper rubber fits within a portion of the stripper head.

Abstract: A casing-protective horizontal directional drilling coaxial coring device for geological investigation includes a casing pipe, a coring tube and a conversion adapter. Both the casing pipe and the coring tube are tubular, and the coring tube is coaxially set within the casing pipe. The conversion adapter, having a cylindrical structure fitted with the casing pipe, is coaxially set at a back end portion of the casing pipe and is slidably connected with an inner wall of the casing pipe. A screw motor is located between the conversion adapter and the coring tube, two ends of the screw motor are fixedly connected with the conversion adapter and the coring tube, respectively. Under an action of an external force, the screw motor drives the coring tube to move along an axial direction of the casing pipe till the coring tube extends out of or retracts into the casing pipe.

Abstract: A nozzle for controlling the flow of fluids into and/or out of a hydrocarbon-bearing reservoir comprises a fluid passage extending between first and second openings. The passage comprises a flow adjusting region for increasing the velocity of fluids injected into the reservoir and for choking steam produced from the reservoir.

Abstract: An oil or gas well downhole fishing tool has a receptacle that is open at one end. The tool also has deployment tool engaging means, located on the opposite end of the receptacle to the one end. The tool further has a layer of an alloy provided on the interior surface of the receptacle. The alloy is a eutectic alloy and/or bismuth alloy. The tool further comprises heating means to heat the alloy so that it melts and can flow over any object received within the receptacle.

Abstract: A nozzle for mitigating against solvent flashing in a solvent-assisted hydrocarbon extraction process comprises a fluid passage extending between an inlet and an outlet, wherein the fluid passage comprises a converging region, a throat, and a diverging region, and wherein at least the converging region is provided with a gradually reducing internal diameter. Preferably, the angle of convergence of the converging region is equal to or less than about 5 degrees.

Abstract: An oilfield casing centralization tool allows a user to center the casing to install the casing hanger into the bowl profile of a wellhead to support the weight of the casing which can exceed over one million pounds. The oilfield casing centralization tool includes a push jack assembly, an anchoring jack assembly, and an elongated structural member. The anchoring jack assembly allows a user to fully secure the oilfield casing centralization tool to a bolt hole of the wellhead. With the oilfield casing centralization tool fully secured to the wellhead, the push jack assembly allows a user to push the casing a desired distance in order to center the casing within a wellbore. The elongated structural member serves as a rigid hub for the push jack assembly and the anchoring jack assembly.

Abstract: A cutting bit includes a bit body and high-pressure body with a high-pressure fluid conduit therethrough. The high-pressure body and bit body are joined together. The high-pressure fluid conduit is configured to convey a fluid at greater than 14.5 ksi, and in some embodiments greater than 40 ksi. The high-pressure fluid conduit may direct the fluid through a nozzle in a fluid jet to weaken material, such as an earth formation. The cutting bit includes at least one roller cone and/or blades with cutting elements thereon to remove the weakened material. A cutting bit includes both high and low-pressure fluid conduits, and high and low-pressure fluid nozzles. The high-pressure nozzles receive fluid flow from a downhole pressure intensifier, and a connection between the bit and the downhole pressure intensifier includes rigid connectors, flexible connectors, or a combination thereof.

Abstract: A shaped charge for use in a well perforating tool includes a jet blocker disposed in an apex of a parabolic or cone-shaped liner. The jet blocker limits the velocity and/or length of a jet that forms upon discharging an explosive in the shaped charge. The jet blocker may include an inert cast-cure type of material such as an epoxy or a flowable plastic that can be readily inserted into an existing shaped charge to fill an external concavity in the liner to any desired height. The height and material selected for the jet blocker determines the degree to which the penetration achieved by the shaped charge is limited, and thus, determines which targeted annulus in the wellbore may be penetrated in operation.

Abstract: A wellbore isolation system is disclosed. The wellbore isolation system includes a junction positioned at an intersection of a first wellbore and a second wellbore, and a deflector disposed in the junction such that a path into the first leg of the junction is obstructed and engaged with the first leg of the junction to form a fluid and pressure tight seal. The junction includes a first leg extending downhole into the first wellbore, and a second leg extending downhole into the second wellbore. The deflector includes a channel extending axially through the deflector, and a degradable plug disposed in the channel and engaged with the channel to prevent fluid flow through the channel.

Abstract: A perforating gun assembly for use within a borehole. The perforating gun assembly may include a first perforating charge section, a second perforating charge section, and a tandem coupling the first perforating charge section to the second perforating charge section. The tandem may include a first sensor package that may be operable to determine a flowrate of formation fluid flowing around the tandem and a second sensor package that may be operable to identify the formation fluid.