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Match Document Document Title
US20140049045 THREADED JOINT FOR STEEL PIPES  
Provided is a threaded joint for steel pipes having high sealability even under a bending load. In the threaded joint, when a pin 3 and a box 1 are threadedly connected with each other, the outer...
US20110233925 THREADED JOINT WITH ELASTOMERIC SEAL FLANGE  
A threaded joint has a seal flange or device in order to avoid the seepage of external pressure of fluid inside the pipe. The sealing flange has an L-shape and is interposed in a housing between a...
US20100301600 THREADED JOINT FOR PIPES  
In a threaded joint for pipes constituted by a pin and a box, each having a contact surface comprising a threaded portion and an unthreaded metal contact portion, the contact surface of the pin...
US20120037377 ALUMINUM AUXILIARY LINES FOR DRILLING RISER  
A drilling riser joint is provided that may include one or more auxiliary lines (34) having aluminum tubes (48). The auxiliary line includes steel portions (50,52) at each end of the aluminum tube...
US20110031020 WELLBORE PERCUSSION ADAPTER AND TUBULAR CONNECTION  
A percussion adapter that is driven to generate a percussive axial motion on a wellbore structure. One percussion adapter includes a drive connection to mechanically convert rotational drive to...
US20110278838 TUBULAR CONNECTION WITH SELF-LOCKING THREADING USED IN THE OIL INDUSTRY  
A threaded connection including first and second tubular components, each including a respective male and female end, the male end including, on its external peripheral surface, at least one...
US20110241340 THREADED JOINT FOR STEEL PIPES  
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...
US20140125053 BROACH STYLE ANTI ROTATION DEVICE FOR CONNECTORS  
A broach style anti-rotation device for connected tubular members is described. In embodiments, the broach tool is inserted into a slot in an outer diameter surface of the pin, and teeth of the...
US20110163538 THREADED JOINT FOR STEEL PIPES  
A threaded joint for steel pipes for use in an oil well which has improved galling resistance and which is protected from rusting comprises a pin and a box each having a contact surface including...
US20110025052 Threaded Joint for Steel Pipes  
A threaded joint for steel pipes for use in an oil well which has improved galling resistance and which is protected from rusting comprises a pin and a box each having a contact surface including...
US20080048443 Bimetal bore seal  
A bore seal for connecting and sealing oil and gas tubular members is disclosed which has a metal core manufactured from a high yield strength ferrous material and a protective overlay of...
US20150191674 TUBULAR THREADED JOINT AND LUBRICATING COATING FORMING COMPOSITION FOR USE THEREIN  
Provided is a composition for forming a lubricating coating to a tubular threaded joint. The composition contains a melamine cyanurate, a basic metal salt of an aromatic organic acid, and one or...
US20070069517 Threaded pipe and pipe joint and method of use  
A threaded pipe joint has a reduced overall diameter at the joint by controlling the thickness of both the box end and pin end. Each of the box and pin ends have defined cross sectional wall...
US20100264649 THREADED JOINT FOR PIPES HAVING A LUBRICATING COATING  
A lubricating coating which is free from harmful heavy metals is formed on a premium threaded joint for pipes constituted by a pin and a box each having a contact surface comprising a threaded...
US20110025051 THREADED JOINT FOR STEEL PIPES  
A threaded joint for steel pipes comprising a pin (1) and a box (2). The pin has a male thread (11) and a lip (12) which comprises (i) a sealing surface (13) and (ii) a nose portion (16) provided...
US20100045033 Threaded Pipe Connection  
A long felt need for more reliable and safer pipe threads is provided which teaches (1) how to offset the mismatch of pipe threads that occurs due to elongation of the pin and contraction of the...
US20060071474 Threaded connection for drill pipes  
A pin and box of a threaded connection are provided with interference fit metal-to-metal seals on both sides of a reverse thread section. The pin nose and box nose respectively are received in...
US20130160993 WEDGE RING FOR ATTACHING CENTRALIZERS  
A wedge ring is provided for securing a centralizer or other structure to a tubular element. The wedge ring comprises a first surface comprising a plurality of teeth configured to engage a surface...
US20110012347 Threaded Tool Joint Connection  
A double shoulder threaded tool joint connection has: a pin with external threads formed between a pin external shoulder and a pin internal shoulder, the pin having a nose section between the...
US20050225083 Pipe system and method for its manufacture  
A pipe system for transport of corrosive fluids, such as crude oil or natural gas, having a corrosion-prone tubular member, which is coated with an inner corrosion-resistant lining. The tubular...
US20120037427 Drilling System for Enhanced Coring and Method  
A drill string assembly is required that has the capability of operating in well bores that range in hole size from seven to eight inches in diameter. The assembly is used to obtain a large core...
US20090174184 WORKING METHOD OF THE EXTERNAL THREADED FRP (FIBERGLASS-REINFORCED PLASTIC) PIPE AND FITTING  
The invention discloses an external threaded FRP pipe and fitting, in which the outside surface of the FRP pipe and fitting connecting end is added up with a threaded layer, whereof the outside of...
US20130020072 Threaded Pipe Connection with a Pressure Energized Flex-Seal  
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...
US20080079261 Pipe coupling system  
A tubular coupling system and method; the system and method in at least certain aspects, using a coupling member with an interior protective ring that has at least one inner energizing member...
US20090066082 COUPLING DEVICE FOR TUBULAR MEMBERS AND INSTALLATION TOOL  
A coupling device includes a coupling body and a collar adapted to engage a tubular member in a permanent swaged connection. The coupling device includes axially spaced front and back ferrules...
US20110133448 Threaded Connection with Metal to Metal Seal Capable of Expansion  
A retaining device for a threaded connection that is expanded holds the connection together to prevent leakage. In a two step thread the retention device is located between the steps and comprises...
US20120108171 Telemetry Conveyed by Pipe Utilizing Specks  
Drill pipe segments, communication systems, and methods of manufacturing pipe segments usable for communicating data wirelessly between sensors and tools placed in an oil and/or gas well are...
US20110025050 CONNECTION SYSTEM FOR DOUBLE-WALLED PIPES  
The invention relates to a connection system for double-walled pipes (1, 2) comprising an inner pipe (12, 22) made of a stainless steel and an outer pipe (11, 21) which surrounds the inner pipe...
US20050236834 Expandable tubular connection  
An expandable tubular pin and box connection is described having a feature of trapping the pin nose after preferably deforming the pin nose plastically in an outward direction away from the...
US20130069364 THREADED CONNECTION  
A threaded connection including first and second tubular components including respective male and female ends including a distal surface and a threaded zone. The threaded zone of the male end is...
US20060214421 Fatigue Resistant Rotary Shouldered Connection and Method  
Threaded connections are provided with a thread form that permits the construction of enlarged root radii between adjacent threads. Relatively coarse thread leads formed along conical surfaces...
US20100308577 DRILL PIPE SYSTEM AND METHOD FOR USING SAME  
A tubular threaded connection for coupling drill pipe segments to form a drill string is provided. Each of the segments has a tubular pipe body having a wall thickness of >0.5 inches (1.27 cm)....
US20110253356 Replacement Fitting and Method of Installing Same  
A replacement fitting assembly for a pipe is disclosed including a split connector with a first wall portion having a first externally threaded portion and a first support portion, and a second...
US20150096764 INTERLOCK PIPE CONNECTION  
An interlock pipe joint includes a first and second tubular member. In some embodiments, an interrupted thread box and pin make up the interlock pipe joint. In other embodiments, a stepped...
US20100001520 PVC Pipe Coupling  
A threaded coupling for connecting a threaded first connecting drop pipe to a second connecting drop pipe. The coupling has a first female end having an enlarged exterior diameter and an interior...
US20130181442 THREADED JOINT FOR PIPE  
Provided is a threaded joint for a pipe in which scalability, compression resistance, and galling resistance are enhanced. Specifically, a pin nose outer peripheral surface forms an outward convex...
US20080190508 Tubular Bodies and Methods of Forming Same  
A tubular body comprises an inner hollow core and an outer casing of one or more strips of self mechanically inter-engaging helically wound material having a higher yield strength than that of the...
US20080054633 SCALLOPED WEDGE THREADS  
A threaded connection between adjacent tubular members includes a pin member providing an external wedge thread and a box member providing an internal wedge thread, wherein the internal wedge...
US20070228729 TUBULAR GOODS WITH THREADED INTEGRAL JOINT CONNECTIONS  
Oil country tubular goods and other types of tubular members are provided with integral joints having threaded connections. The integral joints may be flush type connections or swage type...
US20110018262 APPARATUS AND METHOD FOR COUPLING CONDUIT SEGMENTS  
A method of coupling segments of a borehole conduit is disclosed. The method includes: positioning a first conduit segment at a location selected from a surface location and a downhole location,...
US20070200345 Sucker rod connection with improved fatigue resistance, formed by applying diametrical interference to reduce axial interference  
Sucker rod connections are provided, preferably for rods with ⅝″ to 1⅛″ diameter, with improved fatigue resistance, formed by applying diametrical interference to prevent disengagement, reducing...
US20110133449 THREADED JOINT SEALED TO INTERNAL AND EXTERNAL PRESSURES  
A threaded joint for joining tubes used especially in the field of OCTG (Oil Country Tubular Goods), such as pipes in gas or oil production and/or casings when drilling wells can include a pin and...
US20150145247 ALIGNMENT GUIDE FEATURE FOR METAL TO METAL SEAL PROTECTION ON MECHANICAL CONNECTIONS AND COUPLINGS  
A connection is established between a pin connector and a box connector defined on a pair of tubular members such as casing segments in the field of oil and gas recovery. The pin connector and box...
US20070158943 THREADED CONNECTION WITH PERTURBED FLANKS  
A threaded connection including a pin member and a box member, and methods for manufacturing and forming said threaded connection. The pin member has a pin thread with a pin thread crest, a pin...
US20110215569 CONNECTION BETWEEN A DRILL PIPE AND A CONNECTOR  
A connection between a drill pipe (1) made of carbon- or glass fiber-reinforced plastic and a tubular, preferably metal connector (2) that is partially held in one end (3) of the drill pipe (1)...
US20070176422 Method of assembling two hermetic threaded tubular joints comprising a local and initial added thickness, by means of plastic expansion  
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...
US20090304478 CONNECTION ELEMENT FOR A SCREWED CONNECTION AS WELL AS SUCH A SCREWED CONNECTION  
A connection element (1) has a thread (2) that can be made to engage with a mating thread such as, for instance, a nut. The thread includes locking means (3) that acts upon the mating thread. The...
US20100230959 LOW COST, HIGH PERFORMANCE PIPE CONNECTION  
A low cost threaded pipe connection for virtually any service is provided, that has selectively, unique sealing threads for general use that can be supplemented with a pin nose seal when specified...
US20120043756 TUBULAR THREADED CONNECTION  
A threaded tubular connection including a first tube and a second tube is provided. The first tube includes a pin member which extends from an end of a main body of the first tube to a terminal...
US20140262213 COUPLINGS FOR EXPANDABLE TUBULAR  
An expandable tubular for use in a wellbore includes: a pin formed at a first longitudinal end of the expandable tubular; a box formed at a second longitudinal end of the expandable tubular; a...

Matches 1 - 50 out of 110 1 2 3 >