Patents
Patents for E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings (27,800)
04/2005
04/26/2005CA2388664C Well stimulation tool and method of using same
04/26/2005CA2260612C Pneumatic hammer drilling assembly for use in directional drilling
04/21/2005WO2005035933A1 Collapse resistant composite riser
04/21/2005WO2005035930A2 Threaded connections and methods for forming threaded connections
04/21/2005US20050084337 Shrink fit centralizer assembly and method
04/21/2005US20050082092 Apparatus in a Drill String
04/21/2005US20050082056 Centralizer system for insulated pipe
04/21/2005DE20319227U1 Hydraulischer Schwenkantrieb für einen Greifer Hydraulic swivel drive for a gripper
04/20/2005EP1362161B1 Seafloor-surface connecting installation of a submarine pipeline installed at great depth
04/20/2005CN2693937Y Vane type sucker rod centralizer
04/20/2005CN2693936Y Elastic centralizer for sidetracked hole
04/20/2005CN2693935Y Roller type centralizer
04/20/2005CN2693934Y Tubing anchor
04/20/2005CN1608167A In situ thermal processing of a hydrocarbon containing formation using a natural distributed combustor
04/19/2005US6881079 Technique for providing power to a completion used in a subterranean environment
04/19/2005US6880647 Chassis for downhole drilling tool
04/19/2005US6880637 Full bore automatic gun release module
04/19/2005US6880636 Apparatus and method for disconnecting a tail pipe and maintaining fluid inside a workstring
04/14/2005WO2005032788A1 A drill bit for thin-wall work piece
04/14/2005WO2004083711A3 Method and composition for controlling galling
04/14/2005US20050077051 Radial expansion of tubular members
04/14/2005US20050077050 Installation of downhole electrical power cable and safety valve assembly
04/13/2005EP1339992A4 Knuckle-swivel for drilling wells
04/13/2005EP1339950A4 Full bore automatic gun release module
04/13/2005CN2692334Y Hydraulic back arrest dual purpose releasing gadget
04/13/2005CN2692329Y Sucker rod inner channel type strongthener
04/13/2005CN2692328Y Improved air lift counter circulation drill rod
04/13/2005CN1196865C Sealing gasket component for submerged pump
04/12/2005US6877570 Drilling with casing
04/12/2005US6877561 Gravel packing method using vibration and hydraulic fracturing
04/12/2005US6877557 In-well monitoring and flow control system
04/12/2005US6877553 Profiled recess for instrumented expandable components
04/12/2005CA2165645C Resistivity antenna shield, wear band and stabilizer assembly for measuring-while-drilling tool
04/07/2005WO2005031115A1 Expandable wellbore assembly
04/07/2005WO2005031109A1 A pipe assembly and a method for installation in a borehole
04/07/2005WO2005031107A1 Method and device for boring holes in soil or rock
04/07/2005WO2005031106A2 Load-resistant coaxial transmission line
04/07/2005WO2004109057A3 Method of thermally insulating pipes
04/07/2005WO2004018824B1 Magnetic impulse applied sleeve method of forming a wellbore casing
04/07/2005US20050074998 Tool Joints Adapted for Electrical Transmission
04/07/2005US20050074988 Improved electrical contact for downhole drilling networks
04/07/2005US20050074417 Polymeric gel system and compositions for treating keratin substrates containing same
04/07/2005US20050074299 Systems and methods for the installation of earth anchors
04/07/2005US20050074210 Downhole fiber optic wet connect and gravel pack completion
04/07/2005US20050074196 Gravel pack completion with fiber optic monitoring
04/07/2005US20050072602 Integral bit retention system
04/07/2005US20050072564 Gravel pack completion with fluid loss control fiber optic wet connect
04/07/2005US20050072483 Tube having thread orientation marks
04/07/2005CA2516445A1 Load-resistant coaxial transmission line
04/06/2005EP1520084A1 Corrugated downhole tubulars
04/06/2005EP1520083A2 Dovetail thread coupling for expandable tubulars
04/06/2005EP1339939A4 A drilling tool used in horizontal drilling applications
04/06/2005EP1305547A4 Data transmission system for a string of downhole components
04/06/2005EP1250514B1 Downhole wireless two-way telemetry system
04/06/2005EP1250513B1 System and method for fluid flow optimization in a gas-lift oil well
04/06/2005CN2690595Y Oil pipe anchoring tubular column of accentric detecting well of oil pumping unit
04/06/2005CN2690592Y Thick oil dilution pumping process tubular column
04/06/2005CN2690589Y Pumping aid
04/06/2005CN2690566Y Distmantling device for hydraulic seperating oil pumping rod centering guide
04/06/2005CN2690565Y Mosaie single system oil pumpingrod wax scraping centering ring
04/06/2005CN2690564Y Self fastening combined holder for oil pumping rod
04/06/2005CN2690563Y Anti bias wear centering guide for rod oil puming well
04/06/2005CN2690562Y Casing extending compensator with prestress device
04/06/2005CN2690561Y Sdhesive sand casing for drilling
04/06/2005CN2690560Y Pumping rod special for driving screw pump
04/06/2005CN2690559Y Anti-bias wear pumping rod
04/06/2005CN2690558Y Fracturing string with sand washing pen pin
04/05/2005US6874540 Pulsation dampener apparatus and method
04/01/2005CA2747368A1 Permanent downhole deployment of optical sensors
03/2005
03/31/2005WO2005028805A1 Steerable bit assembly and methods
03/31/2005WO2004074622A3 Protective compression and tension sleeves for threaded connections for radially expandable tubular members
03/31/2005WO2003095788A8 Seafloor/surface connecting installation for a submarine pipeline which is connected to a riser by means of at least one elbow pipe element that is supported by a base
03/31/2005US20050070144 Internal coaxial cable seal system
03/31/2005US20050070143 Device and a method for electrical coupling
03/31/2005US20050070141 Harsh environment rotatable connector
03/31/2005US20050068703 Electromagnetic gap sub assembly
03/31/2005US20050068036 Apparatus and method for wireline imaging in nonconductive muds
03/31/2005US20050067195 Drill member for rock drilling and a method for manufacturing the drill member
03/31/2005US20050067163 Monobore release for tubing conveyed perforating
03/31/2005US20050067159 Load-Resistant Coaxial Transmission Line
03/31/2005US20050067037 Collapse resistant composite riser
03/30/2005EP1519001A1 Thread spacer
03/30/2005EP1518068A1 Reinforced tubular threaded joint for improved sealing after plastic expansion
03/30/2005EP1517759A1 Method of manufacturing continuous sucker rod
03/30/2005EP1044314B1 Drilling system including eccentric adjustable diameter blade stabilizer
03/30/2005CN2688874Y Device for anchoring, stabilizing, contacting and leakage preventing
03/30/2005CN2688870Y Stress reducing structure of deep screw hole with small diameter of drill rod
03/30/2005CN2688869Y Floating rotary stabilizer of sucker rod
03/30/2005CN2688868Y Device for preventing strong magnetic positioned sucking rod from wear-off
03/30/2005CN2688867Y Piston square drilling rod antisputtering jointers
03/30/2005CN1601048A Tube pillar in underground for oil extraction by changing multi layers repeatedly and using standing tube pillar, and implementing technique
03/29/2005US6871706 Casing centralizer
03/24/2005WO2005026560A1 Vacuum formed cladding
03/24/2005WO2005026540A2 Downhole draw down pump and method
03/24/2005WO2005026494A1 Locking device for built pipe connections
03/24/2005WO2005001795A3 Tubular member and method for identifying same
03/24/2005WO2004048744A3 Apparatus and method for drilling and reaming a borehole
03/24/2005WO2004020776A3 Well treatment apparatus and method
03/24/2005US20050065759 Lumping and delumping method for describing hydrocarbon-containing fluids
03/24/2005US20050063788 Riser and method of installing same