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 connector system configured to couple a first tubular member to a second tubular member includes a body, an outer sleeve positioned circumferentially about the body, and an actuator assembly positioned within an annular space defined between the body and the outer sleeve. The actuator assembly includes one or more piston rods, a primary piston ring coupled to respective first ends of the one or more piston rods, and an actuator ring coupled to respective second ends of the one or more piston rods, wherein the actuator assembly is configured to move axially within the annular space to drive multiple collet segments from an unlocked position in which the multiple collet segments do not engage the first tubular member and a locked position in which the multiple collet segments engage the first tubular member.

Abstract: A tubing or casing hanger seal assembly is disclosed including an actuation sleeve to be mounted on a tubing hanger, a shoulder member to be mounted on the tubing hanger, and a seal assembly disposed between the actuation sleeve and the shoulder member. The seal assembly includes a first set or pair of seals engaged at a tapered interface, and a second set or pair of seals engaged at a tapered interface. Radial sectional areas can differ between seals of the seal pairs. Further, the first set of seals can be coupled to the second set of seals such that the first and second sets of seals are energized by the same setting motion of the actuation sleeve.

Abstract: A blowout preventer including a top including a chamber and an annular groove extending into a surface of the top, a housing including a chamber and an annular groove extending into a surface of the housing, and a connection assembly configured to releasably couple the top to the housing, the connection assembly including an arcuate ring segment having a radial width that is greater in size than an axial height of the ring segment, and a positioner configured to radially displace the ring segment between a locked position restricting relative axial movement between the top and the housing, and an unlocked position allowing for relative axial movement between the top and the housing.

Abstract: A valve assembly is provided, the assembly comprising a valve housing; an inlet for fluid entering the valve housing; an outlet for fluid leaving the valve housing; a flow control assembly disposed within the valve housing between the inlet and the outlet, whereby fluid entering the valve housing is caused to flow through the flow control assembly, the flow control assembly comprising a cage having apertures therethrough to provide passage for fluid passing from the inlet to the outlet, the cage having an outlet end, in use fluid flowing within the cage in a downstream direction towards the outlet; a closure assembly moveable with respect to the cage to open or close each of the apertures through the cage, to thereby control the flow of fluid through the cage; wherein the apertures in the cage extend through the cage at a first angle to the radial direction of the cage and at a second angle to the radial direction of the cage, such that, in use, fluid entering the cage through each aperture is directed into t

Abstract: A piezoelectric power generator assembly includes a housing, a piezoelectric transducer located in the housing, and a piston located in the housing. The piston is movable with respect to the housing and is configured to be moved into contact with the piezoelectric transducer, and the piezoelectric transducer is configured to generate an electrical charge when contacted by the piston.

Abstract: A fracturing system including a fracturing manifold. In one embodiment, the system includes a fracturing manifold coupled to a plurality of fracturing trees via a plurality of fluid conduits. Further, multiple fracturing trees of the plurality of fracturing trees can each be coupled to the fracturing manifold by only a single fluid conduit of the plurality of fluid conduits to allow each of the multiple fracturing trees to receive fracturing fluid from the fracturing manifold via its respective single fluid conduit. Additional systems, devices, and methods are also disclosed.

Abstract: The disclosed embodiments include check valves capable of improved dynamic performance (e.g., closing and opening times). The check valves may include an annular disc having an opening. The annular disc may be lightweight and present a reduced surface area to the flow, thus increasing the closure speed of the check valve as well as the opening speed of the check valve. Other components, such as a spacer component, may be reconfigured to modify the check valve for increased performance in a variety of applications, including low flow volume, medium flow volume, and high flow volume applications.

Abstract: A method of testing a shape-memory alloy (SMA) coupler for use within an oil and gas environment at an operating pressure includes testing a first specimen of an SMA coupler design for the operating pressure according to a first test sequence comprising a first plurality of tests and testing a second specimen of the SMA coupler design for the operating pressure according to a second test sequence comprising a second plurality of tests. The method further includes approving the SMA coupler design for use within an oil and gas application at the operating pressure if the first specimen passes each of the first plurality of tests of the first test sequence and the second specimen passes each of the second plurality of tests of the second test sequence.

Abstract: A blowout preventer (“BOP”) includes a housing comprising a vertical bore extending through the housing and ram cavities intersecting the bore and ram assemblies, each ram assembly movably positionable within a ram cavity. Each ram assembly includes a packer assembly that comprises an upper plate, a lower plate, an elastomeric body positioned between the upper plate and the lower plate and comprising elastomeric material, and a support member comprising an aperture and positioned between the upper plate and the lower plate to provide support to the ram assembly.

Abstract: An ultrasonic transducer apparatus is provided. In one embodiment, the apparatus includes an outer housing, an inner housing disposed within the outer housing, and an ultrasonic transducer disposed within the inner housing. The outer housing has an aperture that enables pressurized fluid to enter the outer housing while allowing the outer housing to acoustically isolate the inner housing and the ultrasonic transducer from an additional component when the outer housing is connected to the additional component. Additional systems, devices, and methods are also disclosed.

Abstract: A subsea drilling system with a subsea component controllable by a fluid supply source. The system includes a pressure dampener in fluid communication between the fluid supply source and the subsea component. The pressure dampener includes a body consisting of a dampener fluid flow path which consists of a volume and a biasing system. The biasing system includes a piston biased to an initial position, wherein the piston is configured to move from the initial position to expand the volume of the dampener fluid flow path and dampen a pressure surge received by the pressure dampener and wherein the biasing system is configured to contract the volume of the dampener fluid flow path by returning the piston toward the initial position after dampening the pressure surge.

Abstract: A running tool assembly for installing a seal assembly in a wellhead housing includes a mandrel configured to couple with a conveyance string and including a central passage, a first piston slidably disposed about the mandrel and configured to releasably couple with the seal assembly, and a second piston slidably disposed in the central passage of the mandrel and including an annular seal that sealingly engages an inner surface of the central passage, wherein, when the running tool assembly is disposed in the wellhead housing, the second piston is configured to set an axially settable component in response to a pressurization of the central passage of the mandrel.

Abstract: A hanger running tool for a hanger includes an outer sleeve and an inner driving sleeve. The outer sleeve is configured to engage and couple the hanger running tool to the hanger, and the inner driving sleeve is selectively axially movable within the outer sleeve for engagement with the hanger to prevent relative rotation between the hanger running tool and the hanger.

Abstract: A system including, a first component of a mineral extraction system, and a first radio frequency identification (RFID) module coupled to the first component, wherein the first RFID module comprises first component data relating to the first component, and first location data relating to a first location of the first component.

Abstract: A seal sub system for the connection of fluid lines, including first and second fluid lines, each including a terminal end with an inner diameter. A seal sub includes an inner channel and first and second pin ends, one pin end removably insertable in the fluid line terminal end with the other pin end extending from the fluid line terminal end. A seal forms a seal between the seal sub and the inner diameter of the first fluid line terminal end. The extending pin end is configured to be inserted into the terminal end of the second fluid line to establish a sealed fluid connection between the first and second fluid lines.

Abstract: An apparatus for characterizing objects in the bore of a well assembly is provided. In one embodiment, the apparatus includes a sensing array including ultrasonic transducers and a data analyzer coupled to receive input from the sensing array. The sensing array is positioned to transmit ultrasonic waves into the bore of a well assembly and to receive ultrasonic waves from the bore. The data analyzer processes data representative of ultrasonic waves received by the sensing array to identify a location of a component in the bore. Additional systems, devices, and methods are also disclosed.

Abstract: A system includes a support structure that is configured to be positioned at a fixed location relative to a component of a mineral extraction system. The system also includes a drive assembly having a drive motor and a valve attachment, and the drive assembly is configured to move about the support structure and to actuate multiple valves of the component of the mineral extraction system.

Abstract: A system including a load shoulder system, including a shoulder setting tool, including a shoulder coupling system configured to couple to a load shoulder, and a shoulder energizing system configured to couple the load shoulder to a tubular of a mineral extraction system.

Abstract: Directional control valves with blind shear rings are provided. In one embodiment, a valve includes a piston within an inner chamber of a hollow body having inlet and outlet ports in fluid communication with the inner chamber. The valve includes a shear seal ring positioned in the piston and seated against an interior surface within the hollow body. The shear seal ring includes an interior cavity for allowing fluid communication between the inlet port and the outlet port via the interior cavity depending on the position of the piston. Further, the valve includes a blind ring positioned in the piston. At least a portion of the blind ring is exposed to fluid via the interior cavity of the shear seal ring, and the blind ring prevents flow of fluid from the interior cavity of the shear seal ring through the blind ring. Additional systems, devices, and methods are also disclosed.