Abstract: According to one aspect, a quick disconnect connector is provided. The quick disconnect connector includes a first component and a second component which is matable with the first component. A releasing element is engageable with at least one of the first component and the second component to unmate the first component and the second component. A locking element is movable between a locked position and an unlocked position. The locking element, in the locked position, engages the releasing element to prevent the releasing element from unmating the first component and the second component. The locking element is movable from the unlocked position to the locked position by application of a locking force to the locking element. The locking force can be applied to the locking element by fluid being carried by the quick-disconnect connector.

Abstract: A pipe coupling includes a clamp housing and a seal assembly mounted in at least one end of the clamp housing. The seal assembly includes an outer sealing layer connected to an inner sealing layer with interlocking mating structures that abut against each other in radial and axial directions and prevent the inner and outer sealing layers from separating from each other in the radial and axial directions.

Abstract: Disclosed is a method for constructing a double walled tube assembly, comprising: welding a first axial end of a first tube to a first sub-fitting of a first fitting, sliding a second tube over the first sub-fitting and the first tube, sliding a second sub-fitting of the first fitting over the first sub-fitting such that the first and second sub-fittings are co-axial, welding a first axial end of the second tube to the second sub-fitting, and welding the second sub-fitting to the first sub-fitting. An assembly includes a first fitting that includes a first sub-fitting and a second sub-fitting, a first tube having a first axial end that is welded to the first sub-fitting, and a second tube having a first axial end that is welded to the second sub-fitting, where the first tube is nested within the second tube, where the first sub-fitting is welded to the second sub-fitting.

Abstract: Two conduit gripping devices that are to be used together in a conduit fitting assembly are interconnected or held together as a cartridge or subassembly prior to assembly with fitting components to form a fitting assembly. In a more specific embodiment, one or both of the conduit gripping devices comprises a retaining structure by which the devices are mechanically connected together as a subassembly. For example, in one embodiment a front ferrule and a back ferrule for a tube fitting may be snapped together.

Abstract: A coupling assembly (20) is provided that includes a first coupling member (25), a second coupling member (24) configured to selectively connect with and disconnect from the first coupling member, a locking sleeve (42) configured to selectively release the first coupling member from the second coupling member; and a layered flame retardant structure (50). The layered flame retardant structure (50) may include a first flame retardant layer (52), a generally cylindrical sleeve (54) that extends over the first flame retardant layer, and a second flame retardant layer (56) that extends over a substantial portion of the generally cylindrical sleeve. In embodiments, the generally cylindrical sleeve (54) and the second flame retardant layer (56) may overhang the locking sleeve (42).

Abstract: Blowout preventers with pressure-balanced operating shafts are provided. In one embodiment, a blowout preventer includes a hollow body having a bore and a ram cavity. The blowout preventer also includes a pair of opposing rams disposed in the ram cavity and a shaft that extends through both rams of the pair of opposing rams. Additional systems, devices, and methods are also disclosed.

Abstract: An improved coupling system for joining two items together, typically in the form of copper pipes, to other copper pipes, or in the form of other fittings, includes a pair of flange couplings, each of which is independently secured to one of the items to be joined together so that when the two flange couplings are securely joined to each other by suitable fasteners received through fastening apertures in the two flange couplings, the two items are sealingly joined to one another to form a substantially water tight junction. The improvement being that the bare metal parts of the ferrous components of the coupling are coated with a protective coating, such as a copper coating, so that there is no direct contact between two dissimilar metals thereby inhibiting or preventing corrosion of the metal components of the coupling due to electrolytic or galvanic action arising from direct contact between the two dissimilar metals.

Abstract: A pipe element includes a pipe made of fiber-reinforced plastic and at least one metal connector, which is connected to the pipe in such a way that the connection can transmit torques and axial forces. The metal connector has a thread, in particular a conical thread, or a flange, by way of which thread or flange the metal connector can be screwed to another metal connector of an additional pipe element in order to connect two pipe elements. The metal connector surrounds the pipe on the outside by way of a connection region. A counter sleeve is present, which has contact with the inside of the pipe by way of a connection region. The metal connector and the counter sleeve each have a cylindrical thread, by way of which the metal connector and the counter sleeve are screwed to each other.

Abstract: An expansion joint that includes a rolled two-step shaped stainless steel dynamic flange welded atop a cylindrical inner sleeve, such that the inner sleeve connects on one end to gas exhaust, such that the expansion joint withstands thermal shock due to quick rise in temperatures.

Abstract: The present technology is directed to a conductive hybrid waste tube system that comprises tube bodies, tube end fittings, O-rings, coupling sleeves, end fitting adapters and couplings. The tube bodies and tube end fittings are attached and constitute a tube section. O-rings are installed between flanges on the end fittings and the sleeve positioned over the end fittings of adjoining tube sections. If the tubes end fittings are of different designs, an end fitting adapter may be used along with an additional O-ring to provide pressure sealing. The coupling is installed over the completed assembly to prevent the joint from separating. The O-rings/sleeve combination provides the ability for the tube sections to translate and rotate relative to each other while the coupling prevents the joint from excessive translation.

Abstract: A hose coupler generally includes a hose adapter including opposing ends, an interior surface forming a fluid passage between the opposed ends, and an exterior surface including a series of barbs for engaging an interior surface of a hose that is configured to be fluidly connected to the hose adapter. A ferrule is connected to the hose adapter and is positioned to at least partially surround the exterior surface of the hose adapter. The ferrule has an interior surface facing the exterior surface of the hose adapter. The interior surface defines at least one cutting rib having a sharp corner or edge for piercing an outer layer of the hose and a plurality of compression ribs each defining a rounded surface for compressing the hose against the barbs.

Abstract: Provided is a method that is for attaching a filler pipe. The method for attaching a filler pipe attaches a filler pipe to the aperture of a fuel tank with an attachment member therebetween, and is characterized by containing: a fitting step for fitting the tubular attachment member to the inside of the aperture of the filler pipe; a contact step for contacting, to the surface at the periphery of the aperture of the fuel tank, a first flange protruding outwards in the radial direction from the outer peripheral surface of the attachment member, and a second flange protruding outwards in the radial direction from the outer peripheral surface of the filler pipe; and a welding step for welding the first flange and second flange to the surface.

Abstract: A pipe fitting for plain end pipe is formed of housing portions defining receptacles for receiving pipe elements. The receptacles are coaxial with respective axes oriented angularly with respect to each other. Each receptacle has a channel that faces a respective axis with floors at different radii of curvature. Retainers are received within the channels. The retainers have teeth and one or more offset tabs that cooperate with the channels to prevent improper assembly of the fitting. Ring seals are received within channels positioned adjacent to the receptacles. The ring seals cooperate with the retainers to hold the segments in spaced relation sufficient to insert pipe elements into the receptacles when the fitting is pre-assembled. Apertures are provided in the receptacles to permit visual determination of the presence of the retainers post assembly.

Abstract: The present disclosure provides an automatic push corer system including a base, a power group, a Geneva transmission group, an intermittent transmission group, a vertical coring transmission group, a clamp group and a coring group. The power group is used to drive the Geneva transmission group. The Geneva transmission group is configured to perform a first intermittent rotary motion. The intermittent transmission group is configured to perform a second intermittent rotary motion. The vertical coring transmission group is configured to cooperate with the second intermittent rotary motion to perform a third intermittent rotary motion. The clamp group is configured to cooperate with the third intermittent rotary motion to perform a lifting reciprocation. The coring group is configured to cooperate with the first intermittent rotary motion and the lifting reciprocation to respectively complete a coring operation and a tubing replacing operation.

Abstract: A method comprising: flowing gas from a wellbore penetrating a subterranean formation through a wellhead to yield produced gas; flowing the produced gas through a wellhead line to one or more wellsite processing units to yield wellsite processed gas; and flowing the wellsite processed gas through a gathering line to a gas processing plant, a gas pipeline transmission system, or both, wherein the wellhead line, the gathering line, or both comprise polyvinylidene fluoride (PVDF) pipe having a nominal pipe size of equal to or greater than 2 inches and equal to or less than 16 inches.

Abstract: An apparatus for securing a flexible pipe (101) to a further flexible pipe (102) in an end-to-end configuration includes an elongate tubular element (30) having a first and second end (33, 34) and an outer surface having a raised central region (35). At least one vent passage (55) extends at least partially across the raised central region (35).

Abstract: An exhaust gas outlet system for a motor vehicle has an end pipe and a cover. The end pipe cover has an end pipe cover inner and outer wall constructed with at least two walls. The end pipe cover inner wall is constructed in at least two parts, can be closed radially around the end pipe and can be at least partially arranged in a positive-locking manner on the end pipe so that the end pipe cover inner wall in the state thereof mounted on the end pipe is not axially displaceable. A first annular securing element keeps the end pipe cover inner wall radially fixed on the end pipe. The end pipe cover outer wall can be pushed axially over the end pipe cover inner wall. The end pipe cover outer wall is fixed by means of a locking connection axially to the end pipe cover inner wall.

Abstract: In combination a drilling installation for drilling a well and a control and signal lines deployment module, wherein the drilling installation includes a rig floor slip device which is adapted to be cleared from a well centre opening to create a clear space around the well centre opening. The combination further includes a temporary workspace floor, which is adapted to be mounted in the clear space at a level below a rig floor surface and to provide a workspace floor for an operator standing in the clear space on said work space floor, allowing the operator to secure at a securing level the one or more control/and or signal lines externally to a second tubulars string suspended from a module slip device.

Abstract: A system and method are able to generate and dissipate heat internally to a certain submarine equipment by applying electric power, aiming to aid in the remediation and treatment of hydrate, which was formed in its inside, aiming its effective spreading. The said system is specially suitable to be used in submarine equipments involved in the fluids flowing linked to Oil and Gas Industry, and includes a cavity filled with a fluid suitable for heat transfer, in which a penetrator is installed thereon interlinking an encapsulated resistance to a compensated hose filled with dielectric oil housing inner electrical wires. The said hose has an electrical connector suitable for operating with ROV in its end.

Abstract: A two-piece replaceable union nut for repairs on shipboard high pressure air systems. The replacement union nut is employed when an existing union nut has failed (i.e. cracked or broken) or has been identified as sub-standard due to material type or some other shortcoming, but the piping, tailpiece and thread piece are still in satisfactory condition. The two pieces fit around the pipe and mate using machined notches to form a complete union nut that is constrained in all directions and dimensionally equivalent to a standard union nut. The two-piece union nut facilitates replacement of a union nut in service without the need for cutting piping and reattaching the accompanying tailpiece, and testing the system as conventionally required.