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Patent Searching and Data


Matches 601 - 650 out of 4,727

Document Document Title
WO2004018823A3
A method of forming a wellbore casing within a borehole (10) that traverses a subterranean formation, is provided by assembling a tubular liner by coupling a multi-layer tubular insert (92) threaded portion (24) of a first tubular member...  
WO2004018824A3
A method of forming a wellbore casing within a borehole (10) that traverses a subterranean formation includes the steps of assembling a tubular liner by coupling a threaded portion (24) of a first tubular member (16) to a threaded portio...  
WO2003085305A3
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...  
WO2003093714A3
The liner assembly (10) is for use in a joint between two pipe segments. The assembly (10) includes a first ring member (50), a second ring member (60) and a corrosion barrier ring (70). The first ring member (50) is configured to cooper...  
WO/2004/063616A1
The invention concerns the assembly of a first pneumatic element (1), comprising a hollow screw (3) with a longitudinal axis (3a), and a second pneumatic element (2) provided with a tapped orifice (2a) for receiving the hollow screw (2) ...  
WO/2004/060590A2
Lubricant escape passages are formed in the threads used to connect one tubular body to another. The passages conduct trapped thread lubricant out of the threaded area to prevent the creation of high lubricant pressure that may damage or...  
WO2002084158A3
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...  
WO2002061316A3
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...  
WO2004029487A3
A composite metal sealing ring and method are provided for sealing between tubular members. First (12) and second (14) tubular members have first (22) and second (24) conical inner sealing surfaces. A metal sealing ring (20) has corrosio...  
WO2004001266A3
A fluid connector, comprising a shaft (22) having at least one solid shaft element and a plurality of connector surfaces, wherein the plurality of connector surfaces includes a surface with a plurality of threads (40) and a plurality of ...  
WO/2004/053377A1
The invention relates to a double-walled pipe (1) with a pipe end section (2) and to a pipe end section (2). Said pipe end section comprises a coupling section (25) for fastening to the pipe (1) and has an inner diameter (Di) that corres...  
WO/2004/053376A1
In a threaded connection with tapered male and female threads (3, 4), an annular housing (20) is provided in the vicinity of the free end of the female element (2), which housing receives a portion of a deformable sealing ring (130), whi...  
WO/2004/048785A1
An accumulator (ACC) in which a container main body (1) and a closure member (5) are screw−joined together. A reverse−buttress internal thread or an internal thread having an included angle of 90 degrees is used as an internal thread...  
WO/2004/048023A2
A threaded pin and box connection (10) having thread geometries and/or dissimilar thread fits that prevent the pin thread of a connection from hanging up in the box thread as the pin (14) is being stabbed into or destabbed from the box (...  
WO/2004/048834A1
A screw-threaded joint for pipes comprises a first pipe length (10) having a male screw-threaded portion (11) at one end. A second pipe (20) has at one end a female portion having a complementary screw-threaded portion. The pipe lengths ...  
WO/2004/044473A1
Makeup plates (74, 90) on the abutting surfaces of a tool joint pin (60) and a tool joint box (80) are provided. The makeup plates are recessed in a short distance from the outer diameter of the tool joint elements, such that when the jo...  
WO2004029487A9
A composite metal sealing ring and method are provided for sealing between tubular members. First and second tubular members have first and second conical inner sealing surfaces. A metal sealing ring has corrosion-resistant inlays defini...  
WO/2004/042263A2
A threaded pipe connection (11) is shown which features a cylindrical metal-to-metal containment seal (13). In addition to the cylindrical sealing surfaces, the connection utilizes a separate ramp or ramp regions (59) that simulate a pin...  
WO/2004/040184A1
A coupled version of a threaded connection (10) includes first threads (16, 38) and second threads, (20, 34) on both elongate tubulars (14, 30) and a coupling (45). An integral joint version (50) preferably includes a first and second ta...  
WO2003076837A3
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...  
WO2003076758A3
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...  
WO2004005665A3
An expandable coupling arrangement for coupling first and second tubulars includes a male thread portion on an end of the first tubular and a female thread portion on an end of the second tubular. The thread portions comprise dovetail th...  
WO2004003327A3
The present invention provides a connector arrangement for connecting a first tubular to a second tubular. In particular, the present invention relates to a method for connecting tubulars in such a way that the connection is prevented fr...  
WO/2004/033951A1
A threaded metallic pipe for oil extraction industry has a threaded end portion with treated surface in which the metal surface has a roughness (Ra) comprised of 2,0 µm and 6,0 µm, which is covered by a uniform layer (7) of a dry corro...  
WO/2004/029487A2
A composite metal sealing ring and method are provided for sealing between tubular members. First (12) and second (14) tubular members have first (22) and second (24) conical inner sealing surfaces. A metal sealing ring (20) has corrosio...  
WO/2004/023020A1
A threaded tube joint for oil extraction industry has a trapezoidal thread and a toroidal sealing surface (11) placed at its end near the thread and engages, for sealing, a corresponding frusto-conical sealing surface (12) wherein the to...  
WO/2004/023014A2
A threaded connection for expandable tubulars. There is a first tubular (10) with external threads (16) and a second tubular (22) with matching internal threads. Each of these tubular has stress concentration grooves (14a, 14b, 24a, 24b)...  
WO/2004/020889A1
The invention relates to a tubular joint comprising a conical male thread (3) and a conical female thread (4). According to the invention, an annular housing (20) is disposed close the free end (14) of the female element (2) and is used ...  
WO/2004/018824A2
A method of forming a wellbore casing within a borehole (10) that traverses a subterranean formation includes the steps of assembling a tubular liner by coupling a threaded portion (24) of a first tubular member (16) to a threaded portio...  
WO/2004/018823A2
A method of forming a wellbore casing within a borehole (10) that traverses a subterranean formation, is provided by assembling a tubular liner by coupling a multi-layer tubular insert (92) threaded portion (24) of a first tubular member...  
WO/2004/015323A1
A threaded pin (11) and box (12) pipe connection having makeup shoulders (15, 16) that contact when the pin and box threads are fully engaged. Upon initial engagement of the shoulders, load flanks (36, 31) of the pin and box threads furt...  
WO/2004/013531A1
The invention relates to a coupling for anchor bolts, comprising a sleeve (1) having an internal screw thread (5) and two anchor pipes (2) having an external screw thread (3), the ends (8) of said pipes being screwed into the sleeve (1)....  
WO/2004/010163A1
An improved method of permanantly marking the location of a tubular joint comprises creating a cavity (3) into the end surface of one of the tubular ends that are to be joined by a forge weld or screw thread connection, inserting a marke...  
WO/2004/005665A2
An expandable coupling arrangement for coupling first and second tubulars includes a male thread portion on an end of the first tubular and a female thread portion on an end of the second tubular. The thread portions comprise dovetail th...  
WO2003090841B1
A connector (30), usable to securely couple first and second tubular devices to one another, includes first and second fittings (22, 24) cooperating with the first and second tubular devices, respectively. The second fitting (24) include...  
WO/2004/003417A1
The invention relates to a pipe system comprising pipe elements (3) which are interconnected in a row. At the connection point (10) between two successive pipe elements (3), the first pipe element (3) which has an axial push-in end secti...  
WO/2004/003327A2
The present invention provides a connector arrangement for connecting a first tubular to a second tubular. In particular, the present invention relates to a method for connecting tubulars in such a way that the connection is prevented fr...  
WO/2004/003416A1
The invention concerns a high-performance threaded tubular joint comprising a first male tubular element (11) and a second female tubular element (12) mutually screwed together. One of the tubular elements (11, 12) comprises an unthreade...  
WO/2004/001181A1
An expandable threaded connection between segments of expandable tubulars provides multiple sealing points along the pin and box members (10, 20) that can withstand high pressure. A gap (a) is utilized that is created between the pin nos...  
WO/2004/001266A2
A fluid connector, comprising a shaft (22) having at least one solid shaft element and a plurality of connector surfaces, wherein the plurality of connector surfaces includes a surface with a plurality of threads (40) and a plurality of ...  
WO/2003/106807A1
The invention relates to a threaded connection for two pipes or similar, consisting of one pipe end (1) comprising an external thread with at least two threaded sections that are separate from one another and one end of a second pipe (2)...  
WO/2003/104704A1
A method and apparatus is disclosed for providing an expandable threaded connection between segments of expandable tubulars is disclosed. Threaded connections are machined into pre-expanded ends (10, 20) of tubulars. Once the threaded co...  
WO/2003/104705A1
A method and a device for the surface treatment of a metal tube (3), the method comprising the steps of leading treating liquid (2) into a first distribution container (11) with a flat bottom face and dropping the treating liquid to at l...  
WO/2003/102457A1
A screw joint for steel pipe, comprising pin (1) provided with a contact surface, which has screw portion (3) or (4) and nonthreaded metal contact portion (8), and box (2), wherein a lubricant coating exhibiting self-repair capability th...  
WO/2003/102456A1
A nut and tail assembly (10) and method of manufacture including a nut (12) having a first end and an inward flange (24) at the other end, a longitudinal cylindrical hollow body (14) having a first end and a second end at which is locate...  
WO/2003/098087A1
Tubular goods and tubular good liners which decrease or eliminate friction and mechanicial wear and decrease or eliminate chemical corrosion to the walls of the tubular good. The tubular good (100) comprises outer layer (110), diffusion ...  
WO/2003/098089A1
Threaded pipe joint comprising a male element (1) and a female element (2), threaded and provided with respective complementary sealing surfaces, which define, when screwed together, a notch (13) formed on the female element (2) of a pre...  
WO/2003/093716A1
Threaded joint for pipes consisting of a male member (1) and a female member (2), which are provided on the outer. and inner surfaces respectively with two threading portions .presenting a lead-in flank ß such that 10° <, ß < 25°, an...  
WO/2003/093714A2
The liner assembly (10) is for use in a joint between two pipe segments. The assembly (10) includes a first ring member (50), a second ring member (60) and a corrosion barrier ring (70). The first ring member (50) is configured to cooper...  
WO/2003/090841A1
A connector (30), usable to securely couple first and second tubular devices to one another, includes first and second fittings (22, 24) cooperating with the first and second tubular devices, respectively. The second fitting (24) include...  

Matches 601 - 650 out of 4,727