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Patent Searching and Data


Matches 651 - 700 out of 4,727

Document Document Title
WO/2003/089162A2
A threaded connection for a conduit is disclosed. The connection includes a male member having threads on it defining a load flank lead (14), a stab flank lead (12) and a nominal lead (10). A female member has threads thereon adapted to ...  
WO/2003/089754A1
This invention refers to a threaded joint, provided with metallic sealing, for pipes used especially in oil and gas extractive industry. Threaded joint, according to the first example, consist of a pipe (1), of which end, called pin (2),...  
WO/2003/087645A1
The invention relates to a sealing device (1) for a high-pressure sealing of line junctions. The sealing device (1) comprises a cutting edge (2) and a protective edge (3). The cutting edge (2) permits a sealing of the line junction by me...  
WO/2003/085305A2
A threaded pipe connector (60) having a replaceable seal member (70). The tapered pin nose seal area of a high-pressure drill pipe tool joint is provided with an annular corrosion resistant element (70) that is formed separately from the...  
WO/2003/078882A1
A threaded pipe connection (1) having box and pin members (20, 10) is provided with inner engageable thread means on the box and pin members (20, 10), the thread means including a helical dove−tail thread (22, 12) having negative flank...  
WO/2003/076758A2
The oilfield tubular pin and box connection includes double shoulders (16, 22). An inner sleeve (18) engages the box at shoulder (20), and provides one of the two shoulders (16, 22) for engaging the pin. The pin bore optionally may be pr...  
WO/2003/076837A2
A threaded pipe connection for assembly with the use of thread dope, having a box (2) and pin (1) formed with tapered mating wedgethreads, the box threads having crests (21), roots (8), stab flanks (4) and load flanks (6), the pin thread...  
WO/2003/074917A1
A pipe system for transport of corrosive fluids, such as crude oil or natural gas, comprises a corrosion−prone tubular member (1) which is coated with an inner corrosion−resistant lining (3). The tubular member (1) and inner lining (...  
WO/2003/071088A1
According to the present invention a thread joint of steel for percussive drilling is provided where flushing water is used, comprising at least one external thread (14) as well as an internal thread (12). The thread (16) comprises threa...  
WO/2003/059549A1
A tubular sleeve (16) is coupled to and overlaps the threaded connection between a pair of adjacent tubular members (10,28).  
WO/2003/060198A1
A tubular member (12) having an internal and/or external metal thread (18, 20) at one end thereof, at least part of the thread (18, 20) being coated with an alloy of copper and tin, said alloy containing 5 wt% to 95 wt% copper. The tubul...  
WO2002065012A9
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...  
WO/2003/060370A1
The invention concerns a tubular joint wherein the radial expansion caused by the passage of an expander, inclined shoulder fittings (41, 43) formed respectively on a peripheral surface (8) of the female element (2) facing radially inwar...  
WO/2003/060369A1
The invention concerns a tubular joint for hydrocarbon wells comprising a male tubular element (1) and a female tubular element (2) including respective sealing surfaces (7, 8) designed to be urged into sealed mutual contact after slidin...  
WO2001029475A9
A threaded pipe connection (15) formed with open type wedgethreads that can: seal high pressure liquid or gas; provide selectively, up to full pipe strength; assures repeated makeup to the desired position of full makeup within a wide to...  
WO/2003/048623A1
The invention concerns a premium tubular threaded joint comprising at least on a threaded element a free-end abutting distal surface (7) of a threaded element and a seat on the lip (5) spaced apart by a given distance from the threading....  
WO/2003/048505A1
ABSTRACT A wellbore assembly is provided that is operable in wellbores in the range of six to six and one-half inches for obtaining large diameter cores, e.g., cores greater than or equal to two and seven-eighths inches in diameter. The ...  
WO/2003/036017A1
The present invention provides a connector arrangement for connecting and locking tubular members. The connector consists of two tubular members (100, 110) and a coupling member. The tubular members are threaded together to create a thre...  
WO/2003/036012A2
A tool for radially plastically expanding a pipe having a threaded connection therein, that includes a first section. The first section has an increasing diameter and increasing cone angle along a direction of travel through the pipe. Th...  
WO/2003/014612A1
Pipes (2, 3) made of a difficult−to−weld material to be used at a high temperature are internally (3a) or externally (2a) threaded at their end portions, and are thread−fastened to each other. The inner and&sol or outer faces of th...  
WO/2003/010460A1
A metal−sealable threaded joint for steel tube capable of being tightened and loosened repeatedly without applying liquid lubricant containing heavy metal powder thereon, comprising a pin and a box each having a contact surface contain...  
WO/2003/006867A1
A thread joint capable of economically imparting effective sealability to a metal surface contact seal section and preventing seizure during fastening is composed by fastening a steel pipe (1) having a male thread (1b) at an end and a no...  
WO/2002/101266A1
A metal packing (1) used to seal a connection part between a steam pipe (50a) and a steam pipe (50b), comprising an annular base part (3) having an opening part (2) for communicating the hole parts (51, 54) of the steam pipes (50a, 50b) ...  
WO/2002/099327A1
A joint for high pressure fluid having a long lifetime in which high pressure slurry and wear at the coupling part can be dealt with easily. The joint comprises a pipe (11) having an inverse external thread (11c) in the vicinity of the f...  
WO/2002/095216A1
The invention relates to a high pressure connection device with a housing (1), in which an inlet channel (9) running into the housing (1) opens out. A pressure tube fitting (15), in which a high pressure channel (22) is formed and which ...  
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...  

Matches 651 - 700 out of 4,727