Abstract: An assembly of a male coupling part 200 and a stiff tube 100 is disclosed, the stiff tube 100 having an attachment means 110; and the male coupling part 200 requiring a relative axial displacement between the male coupling part 200 and the stiff tube 100 for connecting to a female coupling part 500, the male coupling part 200 comprising an axial through opening 210. The Assembly further comprises an element 300 detachably connected to the male coupling part 200 and slidably attached to the stiff tube 100, the element 300 having an opening 310 allowing relative axial displacement 340 between the male coupling part 200 and the stiff tube 100, and the attachment means 110 being movable within the opening 310. A method for coupling and un-coupling the assembly to a female coupling part is also disclosed.

Abstract: A pipe coupling for connecting a pipe and including a pipe, a pipe union, and a clamping element. The pipe exhibits at least one connecting section and a terminal abutting face. The connecting section is formed in an end region of the pipe, wherein the connecting section exhibits at least one sealing surface inclined relative to a longitudinal axis of the pipe. The pipe union including a receiving section for insertion of at least a part of the connecting section, wherein a sealing connection between the pipe and the pipe union is created, in that the connecting section is clamped between the pipe union and the clamping element. The abutting face has a sealing protrusion and the sealing protrusion is formed as a prominence in the abutting face. Furthermore, a pipe, a swaging tool and a process are also provided.

Abstract: A coupler assembly (60) for a sub-sea connector including a coupler (18) having an abutment (76) radially outwardly from the coupler body (64), and a radially inwardly extending groove (78) in the coupler body that is longitudinally spaced apart from the abutment. The abutment (76) is configured to engage the rear side of the plate when the coupler is inserted through a rearward opening in the plate. The groove (78) may be longitudinally spaced apart from the abutment such that, when the abutment is engaged with the rear of the plate, the groove is positioned forwardly of the front side of the plate sufficiently to allow a portion of a mounting ring (82) to be inserted into the groove with a portion of the mounting ring protruding radially outwardly from the body to engage an abutment surface at the front side of the plate, thereby restricting axial movement of the body relative to the plate.

Abstract: A top drive unit including a top drive housing, a drive stem disposed in the top drive housing, a carrier configured to axially move the drive stem relative to the top drive housing, and a drive mechanism for rotating the drive stem.

Abstract: A tubular handling assembly includes a mandrel; a plurality of gripping elements for gripping a tubular, the plurality of gripping elements coupled to and rotatable with the mandrel; one or more accumulators; a first actuator configured to supply fluid to the one or more accumulators; and a second actuator configured to receive fluid from at least one of the one or more accumulators and to actuate the plurality of gripping elements.

Abstract: A tube coupling system serves for providing annular flow through a flexible annular double lumen tube between fluid reservoir(s) and flexible connection pieces of an annular double lumen device. The tube coupling system has a first coupling component and a second coupling component and an end fitting system. The first coupling component that has a female coupling part and a male coupling part adapted for coupling to a proximal end of the flexible annular double lumen tube. The second coupling component has a second interior pipe that axially extends inside a second exterior pipe, a first end fitting adapted for coupling to at least the female coupling part of the first coupling component, and a second end fitting adapted for coupling to any of the flexible annular double lumen tube or the flexible connection pieces of an annular double lumen device.

Abstract: Apparatus and methods for reducing pressure exchanger manifold resonance. Example apparatus include a first manifold and pumps fluidly connected with the first manifold. Each pump is operable to inject a pressurized clean fluid into the first manifold. The apparatus may further include a second manifold and pressure exchangers each fluidly connected with the first and second manifolds. Each pressure exchanger is operable to receive the pressurized clean fluid from the first manifold and discharge the pressurized dirty fluid into the second manifold. The apparatus may also include a first flow restricting orifice fluidly connected along the first manifold, a second flow restricting orifice fluidly connected along the second manifold, and a discharge conduit fluidly connected with the wellbore to permit the pressurized dirty fluid to be injected into the wellbore during a well treatment operation.

Abstract: A fluid flow component has a fluid connection. The fluid connection has part circular end portions and extending side portions connecting the part circular end portions. A seal groove is formed in the fluid connection. The seal groove has inwardly extending components at an outer end to capture an o-ring within the seal groove. A circular o-ring has a circular cross-section received within the seal groove.

Abstract: An example method for determining fluid flow in an open channel fluid conduit may include coupling a sensor assembly to an exterior surface of the open channel fluid conduit. Measurements may be received from the sensor assembly. The method may further include calculating a flow rate of a fluid within the open channel fluid conduit based, at least in part, on the received measurement.

Abstract: A gland assembly includes a gland including an annular ring defining a fastener hole; and a joint restraint assembly comprising a restraint base, the restraint base attached to the annular ring; and a cover including a cover portion removably attached to the restraint base; and a bolt stop portion covering the fastener hole, the bolt stop portion extending laterally outward from the cover portion.

Abstract: A gardening fluid connection device contains a body including multiple retainers, a resilient element, and a fitting sleeve including multiple spaced engagement teeth. The resilient element abuts against the body and the fitting sleeve. The body includes a stop rib, and the multiple spaced engagement teeth are pushed by the resilient element to abut against the stop rib. The body includes at least one retaining element, each retaining element is located on a first side of each spaced engagement tooth, and a width of each spaced engagement tooth is equal to a rotation distance of the fitting sleeve, hence the fitting sleeve is rotated reciprocatingly to open or close of the gardening fluid coupling device by using the stop rib, each retaining element, each spaced engagement tooth and the resilient element, and each retaining element is stopped when moving to a second side of each spaced engagement tooth.

Abstract: A flexible deployment system is used to deploy subsea/downhole well equipment or modules from a multi-purpose vessel without requiring a moon pool and a derrick or tower. The deployment system may include the vessel and a deployment frame disposed on the vessel. The deployment frame includes a protruding section extending as a cantilever beyond an external edge of the vessel, and the protruding section includes an aperture formed therein to facilitate construction of the well equipment or modules through the protruding section. The deployment system also includes an actuation assembly coupled to the protruding section to selectively transition the protruding section to a collapsed, split, or retracted orientation out of a deployment path of the well equipment or modules. The system allows for controlled deployment of well equipment or modules including at least a string of downhole tools or tubulars coupled end to end from the side of the vessel in a single trip.

Abstract: A duct arrangement may comprise a duct extending along a centerline axis, a flange coupled to an end of the duct, and a balking feature coupled to a distal surface of the duct and extending axially towards the flange, wherein the balking feature is configured to align a clamp with the flange.

Abstract: Self locking couplers, methods to couple adjacent tubing sections, and self-locking coupling assemblies are presented. In one embodiment, the self-locking coupler includes a coupling shroud having an external interface proximate to a first end of the coupling shroud and a set of collet fingers that extends from the first end of the coupling shroud. The self-locking coupler also includes a locking sleeve having an internal interface that complements the external interface of the coupling shroud. The locking sleeve is movable from a first position on the external interface to a second position on the external interface. As the locking sleeve moves from the first position to the second position, the locking sleeve compresses the set of collet fingers into a cavity of a first seal ring coupled to a first tubing section to secure the coupling shroud to the first tubing section.

Abstract: A pipe system for transporting liquid. The pipe system connects adjacent pipes and includes a pipe having a coupler cup formed in an end thereof. The coupler cup is configured for receiving and end of a second pipe therein. The pipe system includes a coupler cap adapted to snap onto the coupler cup. The coupler cap also has an opening for receiving the second pipe therethrough to couple the first pipe and the second pipe. A seal is disposed between the coupler cap and the coupler cup to provide a sealed pipe system.

Abstract: A retainer system, device and method are provided for retaining a severed pipe string such as a landing string suspended from a rig of a floating vessel or platform during a failure of a primary or secondary heave compensation system and prevent the severed pipe string from flying over the rig floor. The retainer system includes a retainer device including a housing mounted to a platform or vessel, the housing defining a through bore for receiving a pipe string suspended from the platform or vessel. A safety sleeve extends through the housing. A stop arrangement is mountable on the pipe string, to permit engagement between the safety sleeve and the stop arrangement in order to limit relative movement between the housing and the pipe string in order to retain a severed pipe string in an emergency situation.

Abstract: A gland includes an annular ring, the annular ring defining a gland bore, the gland bore defining a gland axis; and a joint restraint assembly, the joint restraint assembly includes a restraint base, the restraint base attached to the annular ring, the restraint base defining a restraint pocket; the restraint pocket comprising a restraint pivot disposed within the restraint pocket; a gripper, the gripper disposed within the restraint pocket, the gripper engaging the restraint pivot, the gripper configured to rotate about the restraint pivot; and a spring clip disposed within the restraint pocket, the spring clip biasing the gripper to rotate inwards towards the gland axis.

Abstract: A conduit connector and method of construction thereof is provided. The conduit connector includes a body having a through passage extending between open opposite ends and a tubular male port section extending axially to an end face of one of the ends. The tubular male section has an outer surface configured for connection to a tubular conduit and an inner surface bounding at least a portion of the through passage. The end face has an outer annular first surface extending radially inwardly from the outer surface and an inner annular second surface extending radially inwardly from the annular first surface toward the inner surface. The annular second surface forms a counterbore that is recessed axially a first distance from the annular first surface, wherein an annular bead extends from one of the annular second surface or the inner surface, with the entirety of the annular bead remaining recessed below the annular first surface.

Abstract: A removable cuff having a locking mechanism is configured to capture an end of a hose bib and obstruct an end of a hose. The removable cuff has a first portion connected to a second portion. The first portion and second portion of the removable cuff are mirrored, whereby, the first portion and the second portion each have at least a portion of a locking mechanism and a first opening bordering a flange located opposite a second opening. The first opening bordering a flange has a smaller size perimeter than the size perimeter of the second opening. The first portion of the removable cuff and the second portion of the removable cuff are oriented in a closed orientation forming a chamber. The chamber houses the threaded portions of the hose bib and of the hose. The locking mechanism can be engaged to prevent removal of the hose.

Abstract: A structural connection between in-line circular or rectangular pipes. The connection is maintained within the outer dimensions of the pipe or tubes, eliminates the need for numerous large welds, and provides for a large center hole that enables items to pass through the connection inside the pipes.