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WO/2005/120196A2 |
A washer device is provided for a threaded joint formed between two members, preferably two down-hole drill components, each member having a threaded portion and an end surface, the two member threaded portions being engaged to couple th...
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WO/2005/121622A1 |
A screw coupling for an oil well pipe, comprising a male screw pipe having a seal forming portion in a projectedly curved shape at the tip part of the pipe and a female screw pipe having a tapered seal part. The screw coupling is charact...
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WO/2005/114029A1 |
A threaded tubular connection having a sleeve seal for maintaining pressure sealing capabilities within the connection when exposed to extreme pressure and/or temperature variations. The sleeve seal forms a third part of the pin and box ...
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WO/2005/113190A1 |
Connectors and connections that enhance mechanical and sealing engagement between the ends of tubular bodies that are radially expanded by a forging tool. The connectors are designed to maintain or restore mechanical and sealing engageme...
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WO/2005/111367A1 |
The inventive highly sealing screw joint for oilfield tubes comprises a male and female tubular parts provided with thrust faces and external and internal sealing surfaces. A conical section is embodied on the internal surface of the mal...
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WO/2005/108844A2 |
An interconnection for oil field tubular goods operates in a self sealing manner in response to internal pressures which might otherwise cause leakage through couplings or joints. Each coupling sleeve includes an interior fulcrum ring fi...
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WO/2005/108848A2 |
A modified API Buttress threaded casing connection is disclosed for use in drilling oil and gas wells in lieu of using conventional drill pipe. The coupling threads only are multiple tapered yet can be mated with standard API Buttress pi...
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WO/2005/105777A1 |
IKK-2-inhibiting compounds of Formula I: wherein R, X, Y, Z, R3, R4, R5, and are as defined herein, are disclosed.
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WO/2005/106184A1 |
A composite marine riser (22) may be formed, in one embodiment, of a pair of threaded metallic sections (115,118) having threaded external surfaces (138,140). The threaded external surfaces may taper from a larger to a smaller diameter. ...
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WO/2005/106309A1 |
An expandable tubular pin (10) and box (12) connection is described having a feature of trapping the pin nose (26) after preferably deforming the pin nose (26) plastically in an outward direction away from the longitudinal axis (20) of t...
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WO/2005/100838A1 |
A joint where breakage of a pressure sensor connection nut and a flare copper tube connection nut can be prevented. A joint (50) is a joint for communicating a first fluid path and a second fluid path of a nut member (20) having a second...
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WO/2005/098300A1 |
A threaded joint for steel pipe that without causing any adverse influence on human health and environment, permits repeated fastening/unfastening of threaded joint and excels in anti-seizing property, corrosion resistance and airtightne...
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WO/2005/095840A1 |
The tool joint 1 for drill pipe used for boring oil or gas well. The pin 3 is provided with an outside shoulder 35, a pin base 34 having an outer periphery surface parallel with the pipe axis 50, a male threaded part 33 having a predeter...
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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...
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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...
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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)...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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. ...
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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) ...
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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...
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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...
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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...
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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 (...
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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 ...
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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...
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