Patents
Sitemap › E21 - Earth or rock drilling; Mining › E21B - Earth or rock drilling; Obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells › 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)
11/2003
11/11/2003US6644848 Pipeline monitoring systems
11/11/2003US6644409 Riser guide system
11/11/2003US6644403 Method and device for the measuring physical parameters in a production shaft of a deposit of underground fluid storage reservoir
11/06/2003WO2002042605A9 Method of and system for controlling directional drilling
11/06/2003US20030206773 Riser guide
11/06/2003US20030205381 Riser guide system
11/06/2003US20030205380 Method for dimensioning a riser element with integrated auxiliary lines
11/06/2003US20030205378 In situ recovery from lean and rich zones in a hydrocarbon containing formation
11/06/2003US20030205372 Remote operated coil connector apparatus
11/05/2003EP1359288A2 Riser guide system
11/05/2003EP1359287A2 Riser Guide
11/05/2003EP1200703A4 Gas lift umbilical cable and termination assemblies therefor
11/05/2003EP1047859B1 Extruded casing centralizer
11/05/2003EP1027519A4 Apparatus for directional drilling
11/05/2003CN2584804Y Combined sucker rod centering guide
11/05/2003CN2584803Y Spiral-flow slip casting bend joint
11/05/2003CN2584802Y Joint for principal axis of engineering drilling machine
11/05/2003CN2584801Y High-pressure quick joint for oil pipe
11/05/2003CN2584800Y Splash-proof drilling fluid protection joint
11/05/2003CN2584799Y Integral drilling rod
11/05/2003CN2584798Y Override type tubular anchoring apparatus
11/05/2003CN1453451A Short-lip drilling rod, drilling sleeve and short-lip end sealing ring
11/05/2003CN1126894C Heavy drill pipe fittings and producing method thereof
11/05/2003CN1126856C Catenary riser support pipe
11/04/2003US6641434 Wired pipe joint with current-loop inductive couplers
11/04/2003US6640910 Long gauge roller vane drilling motor
11/04/2003US6640903 Forming a wellbore casing while simultaneously drilling a wellbore
11/04/2003US6640897 Method and apparatus for through tubing gravel packing, cleaning and lifting
10/2003
10/30/2003WO2003089753A2 Coiled tubing having multiple strings of smaller tubing embedded therein
10/30/2003WO2003089752A2 Well completion with merged influx of well fluids
10/30/2003WO2003089161A2 Protective sleeve for threaded connections for expandable liner hanger
10/30/2003US20030201125 Stabilizing system and methods for a drill bit
10/30/2003US20030201098 In situ recovery from a hydrocarbon containing formation using one or more simulations
10/30/2003CA2758150A1 Well completion with merged influx of well fluids
10/30/2003CA2482278A1 Protective sleeve for threaded connections for expandable liner hanger
10/29/2003EP1097287B1 Floating spar for supporting production risers
10/29/2003EP1071863B1 Coupling for drill pipes
10/29/2003EP1070192B1 Two-step, low torque wedge thread for tubular connector
10/29/2003CN2583347Y Telescopic shock absorber for socker rod pump
10/29/2003CN2583346Y Drill stem with thickening structure
10/29/2003CN1451840A Method for making geologic drilling rod
10/28/2003US6637521 Earth borer
10/28/2003US6637513 Riser pipe construction and module therefor
10/28/2003US6637511 Borehole casing centralizer
10/28/2003CA2275814C Blowout preventer protector and setting tools
10/28/2003CA2256553C Threaded joint for tubes
10/23/2003WO2003087527A1 Marine riser installation
10/23/2003WO2003087526A1 Stabiliser, jetting and circulating tool
10/23/2003WO2003087524A1 Whipstock assembly and method of manufacture
10/23/2003WO2003086675A2 Protective sleeve for threaded connections for expandable liner hanger
10/23/2003US20030198562 Submersible pump assembly for removing a production inhibiting fluid from a well and method for use of same
10/23/2003US20030196815 Method for operating a submersible pump
10/23/2003US20030196813 Method of treating and measuring various parameters in pipelines
10/23/2003US20030196812 Coiled tubing for insertion into coiled tubing
10/23/2003US20030196811 Method of treating and measuring various parameters in formations
10/23/2003US20030196810 Providing heat from heaters to formation; allowing the heat to transfer to selected section of the formation; controlling the heat from heaters; producing a mixture from the formation
10/23/2003US20030196806 Method and apparatus for perforating a well
10/23/2003US20030196801 In situ thermal processing of a hydrocarbon containing formation via backproducing through a heater well
10/23/2003US20030196797 Coiled tubing having multiple strings of smaller tubing embedded therein
10/23/2003US20030196793 Combined nitrogen treatment system and coiled tubing system in one tractor/trailer apparatus
10/23/2003US20030196789 In situ thermal processing of a hydrocarbon containing formation and upgrading of produced fluids prior to further treatment
10/23/2003US20030196788 Producing hydrocarbons and non-hydrocarbon containing materials when treating a hydrocarbon containing formation
10/22/2003EP1212511B1 Method of mounting a tsp
10/21/2003US6634427 Drill string section with internal passage
10/21/2003US6634388 Annular fluid manipulation in lined tubular systems
10/21/2003US6634387 Reinforced flexible tubular pipe with conveying back of leak fluid
10/21/2003CA2270001C High pressure fluid seal for sealing against a bit guide in a wellhead and method of using
10/16/2003WO2003036041A3 In situ recovery from a hydrocarbon containing formation using barriers
10/16/2003WO2003033857A3 Flow control mechanism for a downhole tool
10/16/2003US20030192720 Drill pipe protector
10/16/2003US20030192708 Providing a conduit for an instrumentation line
10/16/2003US20030192707 Field weldable connections
10/16/2003US20030192706 Method for installing a water well pump
10/16/2003US20030192704 Run and retrieval wear bushing and tool
10/16/2003US20030192698 Blowout preventer protector and method of using same
10/16/2003US20030192696 Full bore automatic gun release module
10/16/2003US20030192691 In situ recovery from a hydrocarbon containing formation using barriers
10/15/2003EP1352150A1 Well screen cover
10/15/2003EP1264068A4 Threaded spacer
10/15/2003CN2580105Y Screw fixing type oil pump rod centralizer paraffin scraper
10/15/2003CN2580092Y Position fixing clip ring for oil pumping rod centralizer
10/15/2003CN2580091Y Anti-dropout centralizer
10/15/2003CN2580090Y Fixed anti-bias wearing joint hoop
10/15/2003CN1448706A Method of testing pipe thread adaptor inner / external screw thread surface contact status distribution
10/15/2003CN1448611A Carbon fibre pumping rod
10/14/2003US6633236 Permanent downhole, wireless, two-way telemetry backbone using redundant repeaters
10/14/2003US6633164 Measuring focused through-casing resistivity using induction chokes and also using well casing as the formation contact electrodes
10/14/2003US6632112 Buoyancy module with external frame
10/14/2003US6631768 Expandable shifting tool
10/14/2003US6631760 Tie back liner for a well system
10/12/2003CA2842776A1 Sealed multilateral junction system
10/12/2003CA2842775A1 Sealed multilateral junction system
10/12/2003CA2842773A1 Sealed multilateral junction system
10/12/2003CA2766051A1 Sealed multilateral junction system
10/09/2003WO2003083251A1 Method and device for detecting leaks in an annulus of a riser
10/09/2003WO2003036038A3 In situ thermal processing of a hydrocarbon containing formation via backproducing through a heater well
10/09/2003US20030188894 Torque release coupling for use in drill strings
10/09/2003US20030188892 Rotary steerable drilling tool
10/09/2003US20030188867 Method and apparatus for orienting perforating devices
10/08/2003EP1350917A2 Mechanism that assists tractoring on uniform and non-uniform surfaces
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