E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings

Patents for E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings (27,800)
10/2011
10/25/2011	CA2749221A1 Thrust bearing assembly for a wireline-operated directional core barrel drill
10/22/2011	CA2737202A1 Downhole releasable connector
10/22/2011	CA2704561A1 Heater string and process of well heating
10/20/2011	WO2010115492A8 Wired drill pipe
10/20/2011	US20110253458 Percussion hammer bit retention system
10/20/2011	US20110253454 Mechanically modified filter cake
10/20/2011	US20110253447 Multiple distributed force measurements
10/20/2011	US20110253027 Buoyancy device for marine structures
10/19/2011	EP2255061B1 Improved centraliser
10/19/2011	CN202012299U 复合材料扶正器 Composite centralizers
10/19/2011	CN202012298U Novel union
10/19/2011	CN202012297U Anti-corrosion sucker rod
10/19/2011	CN102220847A Vortex cleaning drill pipe
10/19/2011	CN102220844A Plug-in type diamond composite sheet anchor rod drill bit and connecting sleeve thereof
10/19/2011	CN101120155B Integrated magnetic ranging tool
10/18/2011	US8038368 Method and system for starting up a pipeline
10/18/2011	US8037939 Riser pipe with rigid auxiliary lines
10/18/2011	US8037937 Method and a device for solvent injection in a subsurface well
10/18/2011	CA2582770C Adjustable position load bearing shoulder
10/18/2011	CA2473126C Drill member for rock drilling and a method for manufacturing the drill member
10/13/2011	WO2011127155A2 Tubular connection system faciitating nonrotating signal conductor connection and method
10/13/2011	WO2011127096A1 Riser components and methods for making the same
10/13/2011	WO2011126632A1 Connector apparatus for downhole tool
10/13/2011	WO2011126359A2 Method for introducing an elongated element, in particular geo-thermal heat exchanger, into the soil
10/13/2011	WO2011124961A2 Dual drilling activity drilling ship
10/13/2011	WO2011123935A1 Apparatus and method for stripping solids and fluids from a string used in drilling or servicing wells
10/13/2011	WO2011123875A2 Two-part drilling tool for the percussive or rotary percussive drilling of holes in soil material or rock material
10/13/2011	WO2011076350A3 Galling-resistant threaded tubular component, and process for coating said component
10/13/2011	WO2011067353A3 Assembly and method for subsea well drilling and intervention
10/13/2011	WO2011044314A3 Driven latch mechanism
10/13/2011	DE202011050978U1 Bohr- oder Sondiergestänge und dazugehöriges Gestängerohr Drilling or sounding rods and associated drill pipe
10/13/2011	CA2795560A1 Two-part drilling tool for the percussive or rotary-percussive drilling of holes in soil material or rock material
10/13/2011	CA2795173A1 Riser components and methods for making the same
10/12/2011	EP2373868A1 Tubular drill string component and corresponding drill string
10/12/2011	CN202007659U Oilfield fracturing nonmetal hose elbow
10/12/2011	CN202007640U Fractured formation corer driven by spiral drilling rig
10/12/2011	CN202007634U Sleeving fastener type sucker rod centralizer
10/12/2011	CN202007633U Roller type sucker rod centralizer
10/12/2011	CN202007630U Resistance-reducing and torsion-reducing device
10/12/2011	CN102213089A Method and system for extracting oil from shallow heavy oil reservoir
10/12/2011	CN102213080A Drill rod connecting hand
10/12/2011	CN102213074A Rotary impact type rock drilling machine and double-layer drilling rod mechanism
10/12/2011	CN102212994A Water separation guide pipe pile driving operation device for offshore drilling
10/11/2011	US8033335 Offshore universal riser system
10/11/2011	US8033330 Tool string threads
10/11/2011	CA2591701C Wellbore communication system
10/11/2011	CA2472284C Protective sleeve for threaded connections for expandable liner hanger
10/11/2011	CA2367810C Technique of forming expandable devices from cells that may be transitioned between a contracted state and an expanded state
10/06/2011	WO2011122954A1 Method and device for treatment of a pipestring section that is positioned in a set-back
10/06/2011	WO2011084233A3 Apparatus and method for reaming a wellbore during the installation of a tubular string
10/06/2011	WO2011082302A3 Drive pin support
10/06/2011	WO2011068831A3 A dual pathway riser and its use for production of petroleum products in multi-phase fluid pipelines
10/06/2011	WO2011051677A3 Fiber reinforced reelable slickline
10/06/2011	US20110241339 Sealed tubular connection used in the oil industry, and method for producing said connection
10/06/2011	US20110240370 Drilling motor with a locking collet sleeve stabilizer
10/06/2011	US20110240308 Guide Frame for Riser Tower
10/06/2011	US20110240304 Riser components and methods for making the same
10/06/2011	US20110240282 Well assembly with recesses facilitating branch wellbore creation
10/06/2011	DE102010013724A1 Horizontalbohrvorrichtung Horizontal drilling
10/06/2011	DE102010013723A1 Verfahren zum Betrieb einer Horizontalbohrvorrichtung und Horizontalbohrvorrichtung Method for operating a horizontal drilling and horizontal drilling
10/06/2011	CA2794833A1 Method and device for treatment of a pipestring section that is positioned in a set-back
10/05/2011	EP2372208A1 Threaded joint with elastomeric seal flange
10/05/2011	EP2370722A1 Sealed tubular connection used in the oil industry
10/05/2011	EP1211451B1 Threaded joint for oil well pipe
10/05/2011	CN202000926U Anti-deflection sleeve device for hole drilling
10/05/2011	CN202000925U Vortex-induced vibration abatement device for helical strake
10/05/2011	CN202000924U Hydraulic centralizer in sleeving for oil field
10/05/2011	CN202000923U Wear-resisting device for drill stem/sleeve
10/05/2011	CN202000922U Buffer device for power head of rotary drilling rig
10/05/2011	CN202000921U Triangular drill rod
10/05/2011	CN202000920U Seal connection device for ball joint cardan shaft
10/05/2011	CN202000919U Hydraulic tensioning connecting device
10/05/2011	CN202000918U Coal drill pipe
10/05/2011	CN202000917U Twist-checking shoulder buttress thread oil casing pipe
10/05/2011	CN202000916U Offset-thread oil casing with anti-torque shoulder
10/05/2011	CN202000915U Oil pipe with flanging end socket
10/05/2011	CN202000914U Cylinder type operating platform for sucker rod
10/05/2011	CN202000913U Wet steam/gas liquid distribution three-way pipe
10/05/2011	CN202000912U Oil-well drainage and liquid level-reducing tubing string
10/05/2011	CN202000911U Drill pipe for hard rocks
10/05/2011	CN202000910U Tungsten-base amorphous alloy drill pipe
10/05/2011	CN202000909U Combined drill stem with long service life
10/05/2011	CN202000890U Multi-shaft equal-wall thickness continuous wall drilling machine
10/05/2011	CN202000889U Improved structure capable of adjusting gate lock torsion
10/05/2011	CN202000342U High air pressure pneumatic impact rock penetrating and inserting device for continuous flight auger
10/05/2011	CN1759228B Drilling assembly and method
10/05/2011	CN102206991A Well assembly with millable member in opening
10/05/2011	CN102206990A Well assembly with recesses facilitating branch wellbore creation
10/05/2011	CN101089358B Method and apparatus to facilitate wet or dry control line connection for the downhole environment
10/05/2011	CN101063403B Coupling device
10/04/2011	US8029026 Threaded connections and methods for forming threaded connection
09/2011
09/30/2011	CA2734376A1 Well assembly with a millable member in an opening
09/30/2011	CA2734196A1 Well assembly with recesses facilitating branch wellbore creation
09/29/2011	WO2011119197A1 Pressure controlled well construction and operation systems and methods usable for hydrocarbon operations, storage and solution mining
09/29/2011	WO2011119170A1 Control system and interface a tunneling apparatus
09/29/2011	WO2011119155A1 Coiled tubing percussion drilling
09/29/2011	WO2011117567A2 Support apparatus for elongate member
09/29/2011	WO2011059340A3 Connecting device for kill/choke lines between a riser and a floating drilling vessel
09/29/2011	WO2011051678A3 Elongate member termination
09/29/2011	US20110232969 Downhole tool deactivation and re-activation

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