Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 701 - 750 out of 4,799

Document Document Title
WO/2002/090810A2
An apparatus, system, and method of axially joining a first (4) and second (5) member having externally threaded ends (9, 20) without having to turn either member (4, 5). The set of external threads (9, 20) of the first (4) and second (5...  
WO/2002/090809A2
This invention is a method and apparatus for making a pressure-containing threaded tubular connection, suitable for remotely operated connection and separation, utilizing electrical heating to reduce the amount of makeup torque required ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
WO2002036923A3
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...  
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...  
WO/2002/065012A1
The invention concerns a tubular threaded joint comprising two male and female threaded elements one screwed into the other with a specific torque wherein at least one thread surface under contact pressure (125) has prior to being screwe...  
WO2002027228A3
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...  
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...  
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...  
WO2002035128A3
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 ...  
WO2001094832A8
A pipe joint, comprising a shape having a stub side clearance (C) of 0.5-1.0 mm, a stub side thread angle ( theta ) 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 s...  
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...  
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...  
WO2002023076A3
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 ...  
WO2002029290A3
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...  
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...  
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...  
WO2002029292A3
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 ...  
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...  
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 ...  
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...  
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 ...  
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...  
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) ...  
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 ...  
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...  
WO2001035010A3
A coupling (16) for connecting first and second tubular members, the coupling including a tubular body (28) having a first end portion and a second end portion, a first threaded box formed in the first end portion, a second threaded box ...  
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...  
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, ...  
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...  
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...  
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)...  
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...  
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...  
WO2001053424A3
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...  
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...  
WO/2001/098623A1
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) ...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  

Matches 701 - 750 out of 4,799