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WO/2002/086369A1 |
A threaded coupling (13) for joining together tubular sections (11, 12) is disclosed. The coupling (13) includes a water exclusion seal (36, 37) which is a pressure energized elastomeric seal positioned in a groove (34, 35) near each end...
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WO/2002/084158A2 |
Hose coupling devices (10) that securely connect an end of a hose to a fitting member using a retention mechanism (26) operated by multim-threaded engagement of the fitting member (12) with a collar member (14). The multi-threaded engage...
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WO/2002/084162A1 |
A threaded joint for steel pipe formed of a pin and a box having a contact surface including threaded parts and a non-threaded metal contact part and capable of stably assuring a seizure resistance and an airtightness without applying co...
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WO/2002/084163A1 |
A threaded joint for steel pipe formed of a pin and a box having a contact surface including threaded parts and a non-threaded metal contact part and capable of preventing a seizure by repeated tightening and loosening operations without...
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WO/2002/075197A1 |
A threaded connection (10) for tubular members comprising a box connector (12,14) having axially spaced threaded sections (20,22) and a thread-free section (24) therebetween, the threaded sections of the box connector defining a two-step...
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WO/2002/075195A1 |
A method of manufacturing a threaded joint for oil well pipe having a pin part with a male thread, a box part with a female thread, metal seal parts provided on the pin part and the box part, respectively, and torque shoulder parts provi...
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WO/2002/073076A1 |
One part of the threads (12) of the inventive threaded component (2) is provided with a helicoidal groove (22) that emerges at the thread top. The groove (22) is made in all or part of the threads of one or two end zones, namely the zone...
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WO/2002/068853A1 |
A tubular coupling member (10) for use in the oil and gas exploration and extraction industries is disclosed. The tubular coupling member is adapted for coupling together lengths of tubing (20) to form a tubing string and includes at lea...
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WO/2002/061316A2 |
A pipe and pipe coupling assembly (10) including a first pipe (20) having a first end (72) and a second pipe (22) having a second end (74). The first end (72) includes a threaded portion (60) and a keyway (32), and is adapted to slidably...
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WO/2002/059519A1 |
A threaded joint for steel pipe, comprising a pin and a box allowed to be fitted to each other, wherein a porous zinc or zinc alloy layer as a lower layer by a projection plating method and a solid lubrication film (film containing lubri...
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WO/2002/050466A1 |
A pipe connecting device (1) designed for detachable, sealing assembly of two pipe ends (2, 3) which device consists of an outer part (14) and an inner part (4) inserted axially into the outer part (14) and co-operating therewith for int...
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WO2001011181A9 |
A lubrication system and method for dispensing a lubricant to threads of a drill rod and/or a spindle of a horizontal directional drilling (HDD) machine during a rod loading or unloading operation employs a pumping system having a lubric...
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WO/2002/046338A1 |
A composition for lubricating-film formation which comprises a base and dissolved therein at least one basic oil selected among basic sulfonates, basic salicylates, and basic phenates. The composition is applied to the frictional surface...
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WO/2002/046655A1 |
Disclosed is a pipe joint, comprising a main body in which screw threaded portions are formed at both joint ends thereof, and internal inclined planes are formed at inner circumferential surfaces of both joint ends into which a pipe is i...
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WO/2002/036923A2 |
An oilfield tubular string (10, 60, 60A) comprising a plurality of elongated joints having one or both ends threaded. The joints may be connected by a coupling including a generally sleeve-shaped coupling body having a tapered upstream t...
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WO/2002/035128A2 |
A threaded coupled connection for pipes comprises two pins (1', 1') with a threaded portion (6) having a frustoconical shape and asleeve or coupling (2), with two threaded portions (7) of frustoconical shape. On the pins (1', 1') and on ...
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WO/2002/029290A2 |
The threaded connection (10) between the pin (13, 14) and box (12) ends of two pipes (15, 16) is sealed externally and internally to protect the threads (25, 26) in the connection from exposure to corrosive fluids. Seals (22, 23) are pro...
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WO/2002/029292A2 |
A brush seal segment (24) is mounted within a pressure vessel (10) and against an arcuate surface (44) of an element to provide a seal between regions on opposite sides of the seal at different pressures. By vibrating the vessel through ...
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WO/2002/027228A2 |
A data resource (22) specific to a pipe coupling (18) centrally positioned within the coupling (18), intermediate the coupling ends. Multiple couplings (18) are employed to connect together a string of well pipe (p). The data resource (2...
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WO2001098623B1 |
An apparatus and method for coupling a tubular member (140) to a preexisting structure (100). The tubular member (140) is anchored to the preexisting structure (100) and an expansion cone (130) is pulled through the tubular member (140) ...
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WO/2002/023076A2 |
A method of joining two pipe ends, by forming male threads on an end of a first pipe with a steep taper angle, forming matching female threads on an end of a second pipe, and applying adhesive material to the threads before twisting the ...
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WO2000066928A9 |
The surface areas available for absorbing compressive loading of a threaded connection (30) are increased by increasing the engaged area of a torque shoulder (35) in the connection (30) and by reducing the spacing between the stab flanks...
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WO/2002/018522A1 |
The invention concerns a threaded component for a seizure-resistant tubular threaded joint wherein a lubricating substance is deposited in a thin film on at least the surface of the threads of the threading, said surface being treated to...
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WO/2002/016069A1 |
A combination mechanical and metallurgical connection is provided for joining members such as conduits (10, 20) wherein amorphous diffusion bonding material (40) is placed at mating or abutting surfaces (34, 36) in the mechanical joint, ...
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WO/2002/012769A1 |
A flush-type integral threaded joint with truncated-cone threads, with two sealing surfaces 11', 12', 11'', 12'') set at the end of the threaded portions (7, 8), and with two annular sealing shoulders (5', 6', 5'', 6''). The two threaded...
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WO/2002/010630A1 |
A tool joint having a monolithic body (12) with a bore (14) therethrough and a threaded section (20) at a first end of the body (18) for connecting with a complementary threaded member and a neck portion (22) of the second end (21) of th...
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WO/2002/008566A1 |
Male and female coupling members (120, 130) for a drill string (10) have abutment faces (122, 132), fitted with torque reducing rings (124, 135) of low-friction, material, and multi-start threads (140, 150), with higher lead angles $m(W)...
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WO/2002/006715A1 |
Pipe integral threaded joint formed by a male element (1) and a female element (2) respectively placed on the external surface and on the internal surface of two truncated cone-shaped parts of the threading (6, 7, 8, 9) having the same c...
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WO/2002/006716A1 |
The invention is a system (11) for transmitting data through a string of down-hole components. In accordance with one aspect of the invention, the system (11) includes a plurality of down-hole components, such as sections of pipe in a dr...
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WO/2002/001102A1 |
The invention concerns a threaded joint to be expanded, comprising a lip (5) at the end of the male element (1) and a housing for said lip on the female element (2) to make the threaded joint capable of being sealed and of having a maxim...
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WO/2001/098144A1 |
A threaded connecting assembly includes a first threaded connecting member (32) having a body portion (4), an end portion, a bore extending axially from the end portion enabling the passage of a fluid through the body portion, and a plur...
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WO/2001/098620A1 |
The invention concerns a male threaded joint (1) tipped with a male lip (18)having a male seating face (13) and a male stop (14) transverse surface (16) proximate to the male seating face; and a female threaded element (21) comprising, f...
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WO/2001/094830A1 |
A shoulder ring (10) for installing in the J-space between the installed pin ends within a coupling collar is taught having a body with a central opening therethrough, a first end face (12) on the body, an opposite end face (14) on the b...
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WO/2001/094832A1 |
A pipe joint, comprising a shape having a stub side clearance (C) of 0.5-1.0 mm, a stub side thread angle ($g(u)) of 15-60, the top and bottom faces of a thread positioned parallel with an axis, and a radius (R) at a male thread stub sid...
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WO/2001/094831A1 |
A taper threaded joint, wherein a clearance (L¿1?[mm]) between the thread top face (1a) of a tapered male thread (1) and the thread bottom face (2b) of a tapered female thread (2) or a clearance (L¿2?[mm]) between the thread bottom fac...
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WO/2001/086185A1 |
A method of tightening a special joint having a screwless metal sealing surface and a screwless shoulder part, comprising the steps of setting the ratio of a shoulderng torque at the time of impactive contact on the screwless shoulder pa...
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WO2000066929A9 |
The ends of drill pipe sections are connected together with a connection that mechanically locks the sections against relative rotational movement. The connection includes a pin member (12) on the end of one of the tubular sections that ...
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WO/2001/075345A1 |
The invention concerns a threaded tubular element (2) having a bevel such as a groove (30) produced in the material beneath the thread (4), to decrease the stiffness of the wall at the first engaged threads (22). The groove (30) enables ...
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WO/2001/075346A1 |
The invention concerns a threaded tubular element whereof the thread comprises at least a tangential connecting zone with multiple radii (21) at the thread root, in particular on the bearing flank (13). Said zone (21) comprises a main ar...
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WO/2001/075347A1 |
A threaded oil well pipe fitting of integral system capable of assuring a joint efficiency to withstand a practical use as an oil well pipe fitting for deep well, reducing the outside diameter thereof, and increasing a bending resistance...
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WO/2001/066288A1 |
A method of assembling pipe joints in a pipe string allows the circumferential orientation of a first pipe (13) in the pipe string to be determined relative to a second pipe (13) in the pipe string. Each pipe joint has a coupling member ...
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WO/2001/066903A1 |
An improved thin walled threaded spacer (20) for use in preventing thread galling in adjacent sections of drill pipe (22) in a drill string is formed by mechanically deforming a strip of copper/beryllium alloy containing 2 % beryllium to...
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WO/2001/064492A1 |
The invention concerns a connector to connect two parts of a brake conduit where the connector permits axial movement without variation of the volume of the conduit. The connector is used in the suspension fork of a motorcycle. The brake...
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WO/2001/065058A1 |
The present invention relates to a thread joint and a drill element for percussive drilling wherein flushing water is used, comprising at least one substantially cylindrical external thread as well as a substantially cylindrical internal...
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WO/2001/057425A1 |
Socket (7) to be fitted on a pipe (1) and, respectively, coupling piece for joining two pipes. The pipe is provided, close to the end thereof, with a stepped-down section (4) on which a screw thread (5) is made. The transition to the mai...
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WO/2001/053424A2 |
The invention relates to a flowable to pasty pipe thread sealing agent which has permanent adhesive properties and which is highly loaded with synthetic and/or natural fiber fillers of extremely varying cut lengths. According to the type...
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WO/2001/051840A1 |
A screw-threaded joint for a pipe has a male portion (10) and a female portion (12), having complementary screw threads (11, 13). The male thread (11) extends to a position adjacent a complementary stop shoulder (18) on the female portio...
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WO/2001/050056A1 |
By a method for the assembly of two carcass ends (1, 3), each of which consists of common, wound profiles, the end areas of the carcass pipes' common profiles are fixed. The fixing is carried out by a punctiform deformation process, whic...
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WO/2001/048411A1 |
A screw joint having a box part and a pin part used for screw-tightening oil well pipes which prevents a stress acting on the outer surface of the box part from exceeding the yield strength of a joint base metal so that stress corrosion ...
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WO/2001/038685A1 |
The present invention relates to a male portion a thread joint and a male portion for percussive drilling. The threaded joint includes at least one generally cylindrical external thread (14) and one generally cylindrical internal thread ...
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