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WO/2017/110686A1 |
A threaded joint for a pipe is provided which comprises a pin and a box and which has excellent seizure resistance, torque properties and corrosion resistance, and which has excellent adhesion to a lubricant coating even when repeatedly ...
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WO/2017/110685A1 |
A threaded joint for a pipe is provided which has excellent misalignment resistance and suitable shoulder ring torque, and which further has excellent corrosion resistance and excellent adhesion to a solid lubricant film; also provided i...
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WO/2017/106241A1 |
An apparatus for expanding tubular members in a wellbore, such as casing, liners, sand screens, or other expandable tubular members, includes a first downhole tubular member, a second downhole tubular member that is radially expandable, ...
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WO/2017/104282A1 |
Provided is a threaded joint for a steel pipe, the threaded joint being capable of ensuring excelling sealing performance and preventing the occurrence of crevice corrosion. The threaded joint is provided with a pin (10) and a box (20). ...
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WO/2017/100026A1 |
A tubular connection, method for connecting tubulars, and a coupler for connecting together tubulars, of which the tubular connection includes an inner body including a bore, external threads, a tapered torque nose, and a radially-facing...
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WO/2017/098327A1 |
A polymer lined pipe (PLP) assembly comprising: a first PLP section comprising an first outer metal pipe and a first inner polymer liner, a second PLP section comprising a second outer metal pipe and a second inner polymer liner, at leas...
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WO/2017/100526A1 |
Present embodiments include a first oilfield tubular (102), wherein the first oilfield tubular (100) comprises a threaded box connection at a first axial end (110) of the first oilfield tubular (100), a second oilfield tubular (102), whe...
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WO/2017/096085A1 |
A locking collar quick union connection (100) comprises a split ring (110) and a locking collar sub-assembly (120). The locking collar sub¬ assembly (120) includes a collar (121), a locking ring (125), and a locking screw (126). The loc...
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WO/2017/069030A1 |
Provided is a threaded fitting for steel pipes, which is capable of improving sealing performance. This threaded fitting (1) for steel pipes is configured from a pin (10) and a box (20). The outer diameter of the box (20) is smaller than...
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WO/2017/066673A1 |
An integrated casing joint, casing assembly, and method is disclosed. The integrated casing includes a tubular portion and a pair of tubular joint ends. The pair of tubular joint ends are positionable at opposite ends of the tubular port...
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WO/2017/049901A1 |
A sealing and connection structure for VSD cooling systems comprises a sleeve pipe (16), a sleeve-pipe seat (12), and a connector (17). The sleeve pipe (16) comprises a sleeve-pipe body (161) constructed into a cylinder and a sleeve-pipe...
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WO/2017/047722A1 |
This pipe threaded joint (1) is provided with a pin (5) and a box (8). The pin (5) and the box (8) are each provided with a contact surface having threaded parts (4, 7) and a non-threaded metal contact part. The pipe threaded joint (1) i...
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WO/2017/041175A1 |
An improved fitting assembly for analytical devices is provided. The fitting assembly includes a tube securable to a fitting component via rear and front ferrules and a nut. The fitting component includes a body having a cavity for recei...
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WO/2017/041955A1 |
The invention relates to a pipe element (1) having a pipe (3) made of fibre-reinforced plastic and having a metal connection element (5) arranged on a pipe end section (4) in the region of at least one pipe end and connected to same, via...
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WO/2017/042226A1 |
Plug (10) for a pressure test suitable for a tubular component, the tubular component comprising a male threaded element (1) at a free end (4), such that the male threaded element comprises a male thread (2) and a sealing surface (6), th...
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WO/2017/034521A1 |
In accordance with some embodiments of the present disclosure, a double wall pipe connection system for a production tubing joint is disclosed. The double wall pipe connection system including a box adaptor having a first end and a secon...
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WO/2017/034438A2 |
The invention relates to leak-tight threaded pipe joints comprising a metal-metal seal assembly. Claimed is a threaded joint for steel pipes, consisting of a tubular member (a nipple) and a coupling member, having situated thereon portio...
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WO/2017/024208A1 |
A tubular connection comprising a longitudinal axis, a pin member comprising a distal pin end, a tapered pin thread having a constant pin taper angle a: with respect to the longitudinal axis, and a pin sealing surface located between the...
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WO/2017/013408A1 |
A connector for connecting a first gas preparation device in a gas preparation system to a second gas preparation device in a gas preparation system is disclosed. The connector includes a body having an aperture extending therethrough an...
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WO/2017/008870A1 |
The invention relates to a sanitary line attachment (1) which has a sleeve-shaped design in at least one front end area (6) and, in the sleeve interior of this sleeve-shaped front end area (6), has an inner thread (7) for attachment to a...
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WO/2017/003362A1 |
The invention relates to a hydraulic or pneumatic connector (100) comprising a hollow stem (5) and a swivel nut (1 ). Said stem (5) having a head (10) and hose tail (8) to which a hose can be secured, and said swivel nut (1 ) being mount...
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WO/2017/003239A1 |
The present invention relates to a geothermal well insulating pipe, a geothermal well pipe assembly, a geothermal well heat exchange system, and a construction method therefor. The geothermal well insulating pipe according to the present...
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WO/2016/205262A1 |
A tubular member connection system (11) includes a pin (15), external pin threads (17), and an annular pin lip (21) at a shoulder surface (20) of the pin. A box (27) has internal box threads (29) and an annular box lip (31) at an end sur...
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WO/2016/188862A1 |
An elongate component, such as a drill rod or adaptor, to form part of a drill string having a shoulder contact male spigot coupling. The male spigot comprises a non-threaded shank and a threaded section in which an axial length of the n...
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WO/2016/174687A1 |
A pipe and coupler system (1), described herein, includes a fixed pipe (10), a removable pipe (1), and a coupler (12) having a fixed pipe end (14) and a removable pipe end (15). The fixed pipe end (14) is joined to the fixed coupler end ...
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WO/2016/172163A1 |
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 sele...
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WO/2016/168797A1 |
This invention builds up on technical features and on the industry experience with the use of Merlin® family connectors. In addition to friction, structural means utilized in order to transfer high torsional loads include: dog-clutch li...
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WO/2016/161482A1 |
A rigid thread extender (2) is provided for use in plumbing installations. The extender has an elongate rigid conduit (6) defining a fluid path between its first and second ends (8 and 10). The first end (8) has an annular seal (14) and ...
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WO/2016/161526A1 |
A pipe connector. The connector includes a body with opposed connection portions for connecting two pipes. A protective portion extends along at least a portion of an inside surface intermediate the connection portions. The protective po...
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WO/2016/157887A1 |
Provided is a threaded pipe joint that, when acted upon by a tensile load, does not break on the female thread-side of a first thread section of a second thread series that extends from an intermediate shoulder and reliably undergoes ten...
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WO/2016/160225A1 |
An adjustable cable fitting for a thru-arm cable of a robotic welding torch includes a female member formed of an elongated tubular body having a forward end, a rear end, and a through hole extending axially from the forward end to the r...
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WO/2016/147222A1 |
A drill pipe with double shoulder tool joints by which a stress concentration can be relaxed and provided with an excellent fatigue characteristic without largely changing a predetermined threaded portion shape is provided. A drill pipe ...
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WO/2016/113790A1 |
Provided is a threaded pipe joint with improved sealing, compressive resistance and galling resistance. The present invention is a threaded pipe joint, wherein: the outer diameter of the element tube section of a pin member (3) is 168.3 ...
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WO/2016/111622A2 |
The present invention relates to a device for sealing in fluid-tight manner a connection between two conduit parts aligned at an angle relative to each other, comprising: - a first sealing part comprising an inner wall and an outer wall,...
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WO/2016/112218A1 |
A coated conduit end with a perceivable demarcation quickly and reliably indicates how far conduit is screwed or inserted into a coated conduit fitting to form a conduit system.
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WO/2016/110678A1 |
A coupling system between tubular members such as tubing, pipes, casing and liner for location in a well bore in which the ends of each tubular have cooperating profiled sections. The profiled sections are arranged coaxially and a radial...
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WO/2016/108844A1 |
A tubular string comprises a plurality of torque connectors connecting a plurality of tubular members. At least one torque connector of the plurality of torque connectors comprises a pin component threadably connected to the box componen...
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WO/2016/108141A1 |
A threaded connection has at least one male end threaded zone (107), and one female end threaded zone (108). A tooth width of the male threaded zone, CWTp, increases from CWTpmin to CWTpmax for the tooth closest to, and furthest from the...
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WO/2016/087847A1 |
A connection comprising first and second lined tubular members (101,102) having a coincident bore (113,114) and a protective ring (115), the first lined tubular member (101) having a pin end (2) and the second lined tubular member (101,1...
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WO/2016/087929A1 |
The present invention is a method of sealing threaded connections of plastic fittings with other plastic fittings, or with fittings of any other materials, in order to ensure a non-leaking connection without applying any additional seali...
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WO/2016/085448A1 |
Certain aspects and examples of the disclosure herein are directed to a device for allowing downhole drilling tubing to withstand greater torques. Certain examples may allow a tube segment to experience a higher torque without the need f...
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WO/2016/065651A1 |
Disclosed is a pipe fitting for a pipeline connection, comprising a nut (3), a joint (1), an outer frustum (5) of the joint and a connection pipe horn mouth (7), wherein the nut is provided with an inner taper hole (10), a clamping sleev...
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WO/2016/068519A1 |
The present invention relates to a pipe connecting device for connecting a plurality of pipes and, more particularly, to a pipe connecting device that can not only connect individual pipes but can also improve the reliability of pipe con...
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WO/2016/065380A1 |
The invention relates to a flexible sealing material for threaded connections made from, in particular, a strip or threadlike PTFE-mono or multi-filament. The aim of the invention is to provide advantageous sealing conditions in which th...
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WO/2016/065654A1 |
Disclosed is a connection pipe of an air conditioner refrigerant connection pipeline, comprising a joint (1) for connecting a connection pipe on an indoor and outdoor unit, and a refrigerant connection pipe, wherein the refrigerant conne...
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WO/2016/065652A1 |
Disclosed is a connection pipe dedicated to an indoor and outdoor unit refrigerant connection pipeline of a split air conditioner, comprising a refrigerant connection pipe, wherein the refrigerant connection pipe is an all-aluminium allo...
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WO/2016/065334A1 |
A tubing or fitting assembly has an inner tube layer, an outer tube layer, a sleeve, a tip portion, and can have a nut. Each of the nut, sleeve, inner and outer tubing layers, and tip portion have a passageway therethrough, with at least...
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WO/2016/064368A1 |
The invention relates to the field of sealed threaded joints for metal pipes in the oil and gas industry. A joint is formed by threaded end portions, having an internal and an external conical buttress thread, of two coaxially arranged p...
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WO/2016/059103A1 |
A threaded connection (30) with a double abutment shoulder comprises a first tubular component made up onto a second tubular component, said tubular components being intended for exploration or operating a hydrocarbon well, ⋅ the first...
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WO/2016/059719A1 |
This joint structure for steel pipes has: a pair of steel pipes each having a male thread formed at an end thereof; and a coupling having formed thereon a pair of female threads with which the male threads of the pair of steel pipes resp...
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