Abstract: A valve element selectively opens and closes a radial aperture and an axial hole in a drilling element for drilling mud circulation. The valve element includes a fixing portion allowing the valve element to sealingly fix to the drilling element at the radial aperture. A body has an inlet aperture and an outlet aperture, and a duct for putting the apertures in communication with each other, defining a path for the drilling mud. A plug selectively seals the inlet aperture. A first sealing element is positioned in a housing formed in the axial hole of the drilling element. A shutter pivoted to the body includes a second sealing element to selectively and sealingly close the outlet aperture. The shutter selectively and sealingly closes the axial hole by abutting against the first sealing element. The valve element is adapted to keep the outlet aperture of the body normally closed.

Abstract: A tubular gripping tool for gripping a tubular includes a housing; a mandrel disposed in the housing; a plurality of slips movable along the mandrel; and an engagement member disposed in the housing and movable relative to the mandrel, wherein the engagement member is configured to apply a force against the tubular.

Abstract: The invention relates to systems for producing oil and hydrocarbons in general, in deep water, using subsea wells and apparatus which are interconnected in a drainage and production system. In this context, the invention relates to a mandrel multiplying device (1a, 1b, 1c, 1d, 1e, 1f) suitable for providing additional points between pieces of subsea apparatus, the device comprising a connector (2) for coupling to a mandrel of a subsea apparatus (8, 9), and at least two mandrels (3, 4, 5) suitable for providing points for connection to subsea lines (J1, J1?, J1?, J2, R1, R2, A1, A2, A3) which are connected to other pieces of subsea apparatus (8, 9) or to a production unit (13).

Abstract: Embodiments of systems and methods for supplying fuel, enabling communications, and conveying electric power associated with operation of a hydraulic fracturing unit of a plurality of hydraulic fracturing units are disclosed and may include a fuel line connection assembly configured to be connected to the first hydraulic fracturing unit and to supply fuel from a fuel source to a gas turbine engine connected to the hydraulic fracturing unit. A system also may include a communications cable assembly configured to be connected to the hydraulic fracturing unit and to enable data communications between the hydraulic fracturing unit and a data center or another hydraulic fracturing unit. A system further may include a power cable assembly configured to be connected to the hydraulic fracturing unit and to convey electric power between the hydraulic fracturing unit and a remote electrical power source or the plurality of hydraulic fracturing units.

Abstract: A modular pump skid includes a base, a prime mover mounted on the base, and one or more hydraulic pump circuits removably mounted on the base and operationally coupled to the prime mover, wherein each hydraulic pump circuit has a hydraulic pump operationally coupled to the prime mover and a hydraulically driven pump fluidly coupled to the hydraulic pump. Each hydraulic pump circuit is in a closed loop independent of other hydraulic pump circuits.

Abstract: A multipurpose latch assembly (MPLA) for installation above the bore of a blowout preventer includes an annular sidewall extending between a top flange and a bottom flange and having an interior bore surface defining an interior bore. A plurality of latching slots extend through the sidewall and a latching dog is slidably positioned in each latching slot. Actuators are connected to the latching dogs to extend and retract them through the latching slots. A tool having an external slot can be inserted into the bore of the MPLA and selectively engaged by the latching dogs to secure the tool in the bore of above the blowout preventer.

Abstract: This disclosure generally relates to power generation methods and systems based on gas turbine engines, and particularly to mobile and adaptive power generation systems and methods based on gas turbine engine for supplying mechanical and/or electrical power for fracturing operations at an oil wellsite. Various systems, platforms, components, devices, and methods are provided for flexibly and adaptively configure one of more gas turbines, hydraulic pumps, and electric generators to support both fracturing and electric demands at a well site. The disclosed implementations enable and facilitate a mobile, adaptive, and reconfigurable power system to provide both mechanical and electric power for hydraulic fracturing operation.

Abstract: A method may include receiving power supply-related information, cost-related information, power demand-related information, and operational priority or site configuration-related information associated with hydraulic fracturing rigs. The hydraulic fracturing rigs may be each associated with a fuel consumption component or an emissions component. The method may further include receiving operational data and determining operational parameters based on the operational data and emissions output predictions for the hydraulic fracturing rigs. The method may further include outputting the operational parameters to a computing device or a controller. The method may further include, based on outputting the operational parameters, receiving operational feedback data and determining whether to modify the operational parameters.

Abstract: The present invention relates to clamping devices that connect to a fracking tool body and associated attached flow lines and the method of use thereof. More particularly, the present invention relates to clamping devices that connect to and stabilize a fracking tool body and associated attached flow lines that aid in locating and supporting the inlet connection allowing it to be closer to the rig floor, and consequently, making it safer to install the rest of the rig flow lines.

Abstract: An electrically driven fracturing system is provided. The electrically driven fracturing system includes: one or more frequency converter apparatuses; and a plurality of electrically driven fracturing apparatuses configured to pressurize and output fluid. One of the one or more frequency converter apparatuses is connected with multiple ones of the plurality of electrically driven fracturing apparatuses, respectively, and the frequency converter apparatus is configured to adjust pressure and flow rate of fluid output by the multiple electrically driven fracturing apparatuses.

Abstract: Fracturing fluid delivery systems having flexible fracturing fluid delivery conduits secured with quick connectors are provided. In one example, a fracturing system includes a wellhead assembly and a fracturing fluid conduit coupled to the wellhead assembly to route fracturing fluid to the wellhead assembly. The fracturing fluid conduit includes a flexible body defining a bore for conveying the fracturing fluid to the wellhead assembly. The fracturing fluid conduit is coupled to the wellhead assembly via an actuated connector including one or more locking members that move from an unlocked position to a locked position to secure the fracturing fluid conduit to the wellhead assembly. Additional systems, devices, and methods are also disclosed.

Abstract: A hydraulic protection system for preventing collapse of a hydraulic line is provided. The system includes a pressure sensing assembly which is arranged to monitor a pressure differential between fluid external to and fluid contained within the hydraulic line; a pressure compensation assembly adapted to be coupled to the hydraulic line. In the event of a loss of pressure in the hydraulic line occurring, the pressure compensation assembly employs the pressure of the fluid external to the hydraulic line to increase the pressure of the fluid contained within the hydraulic line. The system is arranged so that the pressure compensation assembly is operated when the pressure differential monitored by the pressure sensing assembly reaches a predetermined level, which is below a collapse pressure of the hydraulic line, so that exposure of the hydraulic line to the collapse pressure is avoided.

Abstract: A subsea vertical drilling machine is disclosed, having: a drill assembly formed by: a riser pipe having a first end, a second end, and a length extending between the first and second ends; and a drilling machine body, including a drilling head, coupled to the first end of the riser pipe; and a vertical feed system configured for advancing the drill assembly in a vertical direction. The riser pipe is provided with at least one rack extending along at least a part of the length of the riser pipe, and the vertical feed system comprises a motor coupled to a pinion, the pinion arranged for engaging with the rack for advancing the drill assembly.

Abstract: A barrier plug assembly for sealing a subterranean wellbore is located inside a tubing and can comprise a frangible barrier element stacked on a carrier ring, a locking sleeve located above the carrier ring and located in a closed fluid chamber, a valve located on the closed fluid chamber and in pressure communication with the tubing, a retaining device configured for locking the a carrier ring in place, a crushing element located a distance below the frangible barrier element and configured for crushing the frangible barrier element. The valve can be configured for allowing or preventing fluid communication in between the tubing and the fluid chamber.

Abstract: A closing unit system for a blowout preventer (BOP) stack includes a first fluid reservoir, a first power source, a first pump system fluidly coupled to the first fluid reservoir and electrically coupled to the first power source, and a valve manifold fluidly coupled to the first pump system via a closing unit hose assembly and configured to couple to the BOP stack. The closing unit system also includes one or more processors that are configured to receive an input indicative of an instruction to adjust an actuator associated with the BOP stack, and instruct the first power source to provide power to the first pump system to cause the first pump system to pump a fluid from the first fluid reservoir to the valve manifold in response to the input.

Abstract: The present invention provides a method and system for providing on-site electrical power to a fracturing operation, and an electrically powered fracturing system. Natural gas can be used to drive a turbine generator in the production of electrical power. A scalable, electrically powered fracturing fleet is provided to pump fluids for the fracturing operation, obviating the need for a constant supply of diesel fuel to the site and reducing the site footprint and infrastructure required for the fracturing operation, when compared with conventional systems.

Abstract: A hydraulic fracturing system can include valve apparatuses that control the delivery of fluid to high-pressure pumps that supply the fluid to a wellhead. The valve apparatuses can receive electronic signals from a control system to regulate the flow rate of the fluid to the high-pressure pumps. In one or more examples, the flow rate of the fluid can be controlled such that proppant in the fluid remains in solution.

Abstract: This disclosure generally relates to power generation methods and systems based on gas turbine engines, and particularly to mobile and adaptive power generation systems and methods based on gas turbine engine for supplying mechanical and/or electrical power for fracturing operations at an oil wellsite. Various systems, platforms, components, devices, and methods are provided for flexibly and adaptively configure one of more gas turbines, hydraulic pumps, and electric generators to support both fracturing and electric demands at a well site. The disclosed implementations enable and facilitate a mobile, adaptive, and reconfigurable power system to provide both mechanical and electric power for hydraulic fracturing operation.

Abstract: A flow control module includes an inlet hub coupled to a first flow passage having a first flow bore, a flow meter associated with the first flow bore and positioned for top-down fluid flow, a choke disposed in a second flow passage having a second flow bore, the second flow passage coupled to a distal end of the first flow passage, and an outlet hub coupled to a distal end of the second flow passage, the outlet hub facing in a different direction from the inlet hub.

Abstract: A fracturing manifold system includes a first manifold assembly in a side-by-side arrangement with a second manifold assembly. The first manifold assembly includes a plurality of first junctions, each having multiple inlet ports facing a first side of the fracturing manifold system. The second manifold assembly includes a plurality of second junction, each having multiple inlet ports facing a second side of the fracturing manifold assembly. Inlet ports on a single junction may be angled relative to each. The inlet ports may also be angled relative to a manifold flow path.