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Patent Searching and Data


Matches 351 - 400 out of 4,719

Document Document Title
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...  
WO/2011/048455A3
A threaded joint for pipes includes a pin member (101) and a box member (102), the pin member having an external thread (106) configured to correspond to an internal thread (107) of the box member, a thread form of the internal and exter...  
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) ...  
WO/2011/046909A3
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...  
WO/2011/049733A3
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...  
WO/2011/020696A3
The invention relates to a coupling (1) for connecting anchor rods (2) having external threads (4) for injection bore anchors, wherein the coupling (1) comprises a sleeve-like coupling fitting (5) having screw-in openings extending from ...  
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...  
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 ...  
WO/2010/085829A3
The invention relates to a device for coupling two tubular elements (1, 4) of an anchor rod, wherein a first element (1) is provided at one end (2) with an external thread (3) which may be screwed into a complementary inner thread (6) of...  
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...  
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...  
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...  
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°, ...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
WO/2009/130440A3
An adjustable length joint for high-pressure applications is described that includes rigid inner and outer tubes; both having passages there through. The rigid outer tube has at least one peripheral ring groove within its inner wall. The...  
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)...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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 ...  
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...  
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...  
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...  
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 ...  
WO/2010/025437A3
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...  
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...  
WO/2010/028809A3
The invention relates to a screw connector for a screw engagement, comprising an external thread applied to a core and flanks of the external thread form an ellipse.  
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...  
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...  
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...  
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...  
WO/2009/148810A3
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...  
WO/2009/140389A3
Respectively tapered and threaded pipe ends (10a, 20a) are rotated respective to each other to connect the pipe ends and progressively compress a yieldabie damper sleeve (40) therebetween as the pipes (10, 20) are rotated. NVH and torsio...  
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).  

Matches 351 - 400 out of 4,719