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Patent Searching and Data


Matches 551 - 600 out of 4,722

Document Document Title
WO/2005/093309A1
A threaded tubular connection comprises a male tubular element comprising a male threaded portion and a female tubular element comprising a female threaded portion which cooperates by screwing with the male threaded portion. In accordanc...  
WO/2005/085695A1
The invention relates to a thin wall stainless-steel pipe with threads ends, the thread ends are formed by a rolling wheel which engages into the pipe, the pipe wall are caused plastic deformation by thread of a die, the thread on the bo...  
WO2004023014B1
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/2005/085694A1
A pipe insert (10) which in use is to provide a connection between spaced pipe ends (11), the insert having at least two ends, the pipe insert being adjustable to be able to vary the relative displacement between the ends, each end havin...  
WO/2005/080644A2
A method for protecting a metal surface from galling and corrosion includes a step of providing a protective dry film on the metal surface. The film includes a solid lubricant and a conducting polymer, the conducting polymer having lubri...  
WO2005045262A3
Fastener joints induce static pre-stresses into a fastener that clamps the joint in a magnitude equal and direction opposite from bending stresses induced in the fastener by application loading. Such joints include angling the bolts seat...  
WO/2005/075873A1
A screw joint for oil well pipe obtained by improving a conventional screw joint for oil well pipe to secure a sufficient fatigue breaking strength; and a method of producing the same. It is arranged that the axial residual stress in the...  
WO/2005/075877A1
A pipe thread protector (1) includes a case (2), a first seal member (4), and a second seal member (6). The case (2) is attachable to an end of a pipe (P) to protect a threaded region (T) of the pipe (P). The case (2) has a cylindrical o...  
WO2002090809A3
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 ...  
WO2005008116A3
The present invention relates to the use of coupled bimetallic conduits for transporting fluids. Preferably, the bimetallic conduits are weldable conduits formed by positioning a tube (12b) formed of a material having desirable propertie...  
WO/2005/064219A1
The invention relates to an expandable tubular joint comprising: (i) a male tubular element (EM) which is equipped with a male thread (FM), a first annular lip (LI) having a first axially abutting surface (SB1), a first inner surface (SI...  
WO/2005/064218A1
The invention relates to an assembly comprising two symmetrically-disposed expandable threaded tubular joints, each of said joints consisting of: (i) a male tubular element (EM1, EM2) which is placed at one end of a tube (T1, T2) and whi...  
WO/2005/064217A1
The invention relates to a sealed tubular joint, initially comprising a first male tubular element (EM), with a male thread (FM), a first annular lip (L1), with a first axial abutting surface (SB1), a first internal surface (SI1), a sect...  
WO2002090810A3
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/2005/059422A1
Radial interference between the male (3b) and female (4b) threadings operates between stabbing flanks (31, 36) inclined at about 27° with respect to the axis of the threadings, wherein the mutual contacting surfaces are radially spaced ...  
WO2005040657A3
In the method according to the invention, after machining successively respective threaded elements at both ends of the tubular component (10), a second orientation gauge is screwed onto the second threaded element to check whether a mar...  
WO/2005/045188A1
A radially expandable sealed tubular joint (1) for use in oil and gas wells having a pair of radially expandable tubular elements (2 and 5) each having threading at a free end thereof and coupled to one another to form a flush joint conn...  
WO/2005/045262A2
Fastener joints induce static pre-stresses into a fastener that clamps the joint in a magnitude equal and direction opposite from bending stresses induced in the fastener by application loading. Such joints include angling the bolts seat...  
WO2004023014A8
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)...  
WO2004010163A8
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...  
WO2003098089A8
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/2005/040657A2
In the method according to the invention, after machining successively respective threaded elements at both ends of the tubular component (10), a second orientation gauge is screwed onto the second threaded element to check whether a mar...  
WO2003059549A8
A tubular sleeve (16) is coupled to and overlaps the threaded connection between a pair of adjacent tubular members (10,28).  
WO2004083711A3
A method for controlling galling including applying a composition of about 3.5 to about 36 wt%, based upon the total weight of the composition of a fluoridic or oxidic compound of a transition of alkaline earth metal; about 4 to about 96...  
WO2004018824B1
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/2005/026494A1
An arrangement for locking a threaded pipe connection, wherein two threaded connection units are screwed together. The locking arrangement is characterized in that it comprises two locking rings which engage each other with corresponding...  
WO/2005/024282A2
Embodiments of the present invention relate to methods for protecting a threaded end (50) of a tubular member (20) and sealingly engaging the tubular member to prevent liquid or debris contamination of the threaded end. In the preferred ...  
WO2004109173A8
A threaded joint for steel pipes comprises a pin (1) and a box (2). The pin has male thread (11), a sealing surface (13), and a shoulder surface (14) located on the end face of the pin. Correspondingly, the box has female thread (21), a ...  
WO2004023014A3
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)...  
WO2004048023A3
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/2005/007548A1
The invention relates to a novel system for the gasket sealing of screwed connections in pipes for the conveyance of fluids and to the applicator device for same. The inventive system comprises a wire with a polymer core, which is coated...  
WO/2005/008116A2
The present invention relates to the use of coupled bimetallic conduits for transporting fluids. Preferably, the bimetallic conduits are weldable conduits formed by positioning a tube (12b) formed of a material having desirable propertie...  
WO2004060590B1
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...  
WO/2004/109173A1
A threaded joint for steel pipes comprises a pin (1) and a box (2). The pin has male thread (11), a sealing surface (13), and a shoulder surface (14) located on the end face of the pin. Correspondingly, the box has female thread (21), a ...  
WO/2004/106797A1
The threaded connection of the invention comprises at least one contact zone (5, 6) axially separated from threadings (3, 4) in which the male and female elements (1, 2) are in sealed contact via bearing surfaces respectively constituted...  
WO2003036012A3  
WO2003036012A9
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...  
WO2004060590A3
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...  
WO2004023014A9
A threaded connection for expandable tubulars.  
WO/2004/083711A2
A method for controlling galling including applying a composition of about 3.5 to about 36 wt%, based upon the total weight of the composition of a fluoridic or oxidic compound of a transition of alkaline earth metal; about 4 to about 96...  
WO2004029487B1
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...  
WO2004018823B1
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...  
WO2004042263A3
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/2004/079246A1
In order to produce a sealing contact between male and female threaded elements (1, 2), a contact zone (20) is provided, located between male and female threading por­tions (3a, 4a, 3b, 4b) separated from each other in the axial directi...  
WO/2004/072533A1
Described herein is a threaded joint, in which the threads are coated with a layer of dry lubricant having a thickness of between 5 pm and 30 pm and in which the nominal void volume NW of the space (6, 7) between the thread of the male t...  
WO/2004/070097A2
A thread form having improved strength and fatigue resistance. The root of the thread is cut on multiple cutting radii having displaced centers. At least two of the root surfaces are formed by cutting radii having lengths that are greate...  
WO/2004/067901A1
The invention is a system for transmitting data through a string of downhole components. In accordance with one aspect of the invention, the system includes a plurality of downhole components, such as sections of pipe in a drill string. ...  
WO2003089162A3
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 ...  
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...  

Matches 551 - 600 out of 4,722