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WO/2011/151028A2 |
A threaded end (1; 2) of a tubular component for drilling or working hydrocarbon wells, said end comprising a threaded zone (3; 4) produced on its external or internal peripheral surface depending on whether the threaded end is male or f...
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WO/2011/138926A1 |
Disclosed is a test device (1) for estimating the performance of a threaded joint of an oil well pipe by using a first steel pipe (P1) and a second steel pipe (P2). The test device (1) is provided with a base (2) which vertically erects ...
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WO/2011/128658A1 |
A pipe connector comprises a tubular pin member (1) having a generally frustoconical outer peripheral surface (3) and a tubular box member (2) having a generally frustoconical inner peripheral surface (4) corresponding to the frustoconic...
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WO/2011/127155A2 |
A tubular arrangement including a tubular form having an interconnection configuration on each end with one or more signal conductors disposed within the tubular form. One or more axially operative connector bodies disposed at each end o...
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WO/2011/121263A1 |
The invention relates to a screw-threaded pipe joint comprising a pin (20) having at one end a male screw-threaded portion and a box (10) having at one end a female portion having a complementary screw-thread. The pin and box inter-engag...
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WO/2011/122256A1 |
Disclosed is a completely nonmetallic pipe connection mechanism for a sealing device. Said pipe connection mechanism threads a metal reinforcement pipe (60) into a through-hole (53) in a flange (50) and inserts a resin connection pipe (7...
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WO/2011/101554A2 |
The invention relates to an expansible threaded joint including: a first tubular component comprising a male end (1) including a first and second threaded area (21, 22) and an insertion region (23) provided with a first annular tab (41) ...
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WO/2011/076350A2 |
A galling-resistant threaded tubular component for drilling or operating hydrocarbon wells is described, said tubular component having at one of its ends (1; 2) a threaded zone (3; 4) produced on its external or internal peripheral surfa...
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WO/2011/076349A2 |
The invention concerns a set for obtaining a threaded connection used in hydrocarbon wells, comprising a first tubular component provided with two threaded zones with identical lead, a second tubular component provided with at least two ...
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WO/2011/063506A1 |
Hydraulic fittings for use in high pressure hydraulic couplings are provided. The fittings include a body of a hard material such as steel or stainless steel and having an externally threaded portion that terminates in a frusto-conical n...
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WO/2011/066062A1 |
Coupling assembly for use in conduits or tubing holding a pressurized liquid, such as a garden hose. The structure provided facilitates uncoupling of male and female fittings in such an assembly which substantially reduces the uncontroll...
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WO/2011/063976A2 |
A threaded connection 1 used in the exploration and operation of hydrocarbon wells comprises a first and a second tubular component, the first component comprising a male end 3 comprising a threaded zone 5 disposed on its external periph...
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WO/2011/066159A1 |
A hybrid port comprising a bore having a diameter, a first tapered surface (12) having a cone angle α in the range of approximately 37° to approximately 45°, a second tapered surface (11) having a cone angle β of approximately 12°, ...
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WO/2011/060894A2 |
A threaded connection 1 comprising a first and a second tubular component, the first component comprising a male end comprising a distal surface and a threaded zone 5 disposed on its external peripheral surface, the second component comp...
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WO/2011/054161A1 |
A hermetic threaded joint includes female threads on a collar and male threads on the end of a pipe. They are matched with each other, the structures of female threads on the both ends of the collar are arranged symmetrically, and the fe...
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WO/2011/056429A1 |
A threaded pipe connection is shown which features a pressure energized flex-seal structure. The connection includes a first box member having a box end, the box end having an end opening defining an interior surface with internal thread...
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WO/2011/054468A1 |
The invention relates to a line element (10) for a line to be laid in the ground, comprising at least one end section (14), which can be connected to an adjacent line element (12), wherein at least one main seal (20) and at least one saf...
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WO/2011/054439A1 |
The invention relates to a threaded sleeve (10) for connecting a pipe (20) to a further component (20), wherein the threaded sleeve (10) has two threads (14) directed from the sleeve ends (16, 17) to the sleeve center, wherein the thread...
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WO/2011/049733A2 |
A method and equipment for an instrumented tubular joint apparatus for use in a pipe string comprising an upper tubular section with a threaded connection thereabove and an axial passage for fluid to flow through connected to a lower tub...
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WO/2011/048455A2 |
A threaded joint for pipes includes a pin member and a box member, the pin member having an external thread configured to correspond to an internal thread of the box member, a thread form of the internal and external threads having gener...
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WO/2011/044691A1 |
Embodiments of this invention relates to the field of geological prospecting, in particular to hermetic tapered threaded connections for tubular structures (sections) in the construction of drilling strings and/or casing strings used for...
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WO/2011/046909A2 |
A tubular connection includes a pin member having external wedge threads configured to engage a box member having corresponding internal wedge threads, and a solid lubricant coating applied on at least one of the internal and external we...
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WO/2011/044689A1 |
Embodiments of the invention relate to the field of geological prospecting, in particular to hermetic tapered threaded connections for tubular structures (sections) in the construction of drilling strings and/or casing strings used to dr...
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WO/2011/044690A1 |
Embodiments of this invention relate to the field of geological prospecting, in particular to hermetic tapered threaded connections for tubular structures (sections) in the construction of drilling and/or casing strings used for drilling...
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WO/2011/040262A1 |
A screw joint for a steel pipe, having improved galling resistance, wherein the screw joint comprises: a pin which is provided with a male thread section having a triangular screw thread; and a box which is provided with a female thread ...
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WO/2011/023557A1 |
A connector for connecting threaded ends of adjacent pipes, comprising a cylindrical body having threads formed at each end, the threads corresponding to the threads on the pipes to be connected; wherein a circumferential region (14, 18)...
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WO/2011/014090A1 |
The present invention pertains to the field of drilling techniques. In an otherwise traditional bottomhole assembly design comprising sequentially connected drill pipes, a centralizer and a swage, the centralizer is made in the form of a...
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WO/2011/005669A1 |
A thread form is shown which is used to make a threaded pipe connection capable of being screwed together and subsequently unscrewed. A pin member has external threads with stab flanks and load flanks and flat crests and roots for mating...
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WO/2010/140703A1 |
A thin and highly transparent coating having excellent air tightness, adhesion to a substrate, lubricating properties, galling resistance, and corrosion resistance is formed on the surface of a metal substrate and particularly on the sur...
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WO/2010/122431A1 |
A threaded joint (10, 20) comprises a coupling (3), a first pin (1, 1 '), and a second pin (2, 2'), wherein the thread of the first pin (1, 1 ') has a pitch different from the pitch of the thread of the second pin (2, 2'). The extremitie...
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WO/2010/114168A1 |
A solid lubricating coating formed on a contact surface of a threaded joint for pipes has a matrix of a lubricating oil-containing polymer. The lubricating oil-containing polymer has either a uniform composition or a gradient composition...
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WO/2010/113651A1 |
Disclosed is a method which can evaluate the connection state of the shoulder portion of a screw coupling used as a coupling in pipes such as oil well pipes, where said evaluation occurs during or after connection in a simple and precise...
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WO/2010/113948A1 |
A lubricant applying device (1) is provided with: a steel pipe support device (2) for rotating and supporting a steel pipe (P); a circulation system (3) for circulating a lubricant (9) adjusted to sprayable viscosity; a fixed amount supp...
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WO/2010/094179A1 |
A portable connecting device of pipeline type water purifier and deeply purified water preparing machine. A fixing plate (4) is provided with a first screw thread guide rail (414), a first uniform height guide rail (416), a second screw ...
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WO/2010/089124A1 |
The invention relates to a connecting device (1) for a guide element (6) for conveying a medium, made of a hollow screw element that can be fit onto the guide element, comprising a threaded part (2) and a body part (3) optionally having ...
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WO/2010/082534A1 |
In a pipe joint (30), a tapered male screw thread (36) is provided at one end and a joint connection section (39) which is connected to a joint section (46) is provided at the other end. The tapered male screw thread (36) has a length a...
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WO/2010/076007A1 |
The invention concerns a sealed threaded connection comprising a first and a second tubular component, each being provided with a respective male end (1) and female end (2), the male end (1) comprising, on its outer peripheral surface, a...
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WO/2010/074642A1 |
The present invention relates to lead-through tool for pipes, comprising a tool body (1) having a rear end (15) provided with a means (16) for interaction with a rotary machine, preferably a handheld drilling machine, and a front end (17...
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WO/2010/069491A1 |
The invention concerns a threaded connection comprising a first and a second tubular component, each being provided with a respective male (1) and female (2) end, the male end (1) comprising, on its external peripheral surface, at least ...
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WO/2010/066365A1 |
The invention concerns a threaded connection (1) comprising a first and a second tubular component, the first component comprising a male end (3) provided on its outer peripheral surface with, in succession, a threaded zone (5), a sealin...
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WO/2010/059145A1 |
A threaded oilfield tubular connection includes a box connector 12 having internal threads 16, 18, and a pin connector 14 having external threads 22, 24 for mating with the internal threads. Each of a box torque shoulder 20 and a pin tor...
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WO/2010/047406A1 |
In a threaded joint for steel pipes comprising a pin (1) and a box (2), each having a threaded portion (11 or 21), a sealing surface (13 or 23), and a shoulder surface (14, 15 or 24, 25), the sealing surface (13) of the pin (1) is formed...
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WO/2010/043509A1 |
The invention relates to a component used for the drilling and for the exploitation of hydrocarbon wells, said component having a substantially tubular shape with a first end (200; 100) connectable to a second end (100; 200) of another c...
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WO/2010/025437A2 |
A portable pipe bridge has an adjustable-length, horizontal truss for supporting one or more temporary pipelines above a roadway. The truss is supported on each end by a vertical column having foldable footings and a elevator section whi...
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WO/2010/005318A1 |
Abstract A guide part device for guiding a top drive (1) into a pipe (6), the end portion (2) of the top drive (1) which is arranged to be connected to the pipe (6) being formed with a sloping end face (12).
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WO/2010/000324A1 |
A fitting (100) for coupling a tubing (102) to another component (330) of a fluidic device (300), the fitting (100) comprising a male piece (104) having a front ferrule (106) and a back ferrule (108) both being slidable on the tubing (10...
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WO/2009/155884A1 |
A lead-in type interference fit pipeline external thread (10), it is able to achieve its seal while non-use of packing, in which the effective thread is a cone-shape pipe thread, at least two complete variation convex thread (11) is in f...
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WO/2009/149538A1 |
Disclosed is an apparatus and method for dispensing non-adhesive tape carried on a spool to an article wherein the spool has a spool bore therethrough. The apparatus comprises a casing having a casing bore therethrough adapted to rotatab...
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WO/2009/146475A1 |
The invention relates to a pipe connection, particularly a gas-tight pipe screw connection, wherein the parts in the connecting region are connected by means of joining according to DIN 8593 by way of contact-pressing and insert-pressing...
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WO/2009/148810A2 |
A coupling assembly includes first and second pipes, each having a threaded portion and a non-threaded portion. The non-threaded portion of each of the pipes is located at a free end of each of the pipes. The coupling assembly also inclu...
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