Patents
Patents for E21B 17 - Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Casings; Tubings (27,800)
06/2007
06/26/2007CA2279899C Pipe joint
06/26/2007CA2260519C Sealed lateral wellbore junction assembled downhole
06/26/2007CA2242441C Cable anchors
06/21/2007US20070139217 Data relay system for casing mounted sensors, actuators and generators
06/21/2007US20070137853 Combined telemetry system and method
06/20/2007CN2913579Y Pumping rod, piston coupling separator
06/19/2007US7231982 Perforating gun quick connection system
06/19/2007CA2462990C Bits for use in drilling with casing and method of making the same
06/19/2007CA2145128C Curved drilling apparatus
06/14/2007WO2007067063A1 A device for a borehole arrangement
06/14/2007WO2007066508A1 Cutting rod, cutting bit and cutting tool
06/14/2007WO2007065536A1 Methods and apparatus for well construction
06/14/2007WO2007001826A3 Bearing apparatus and process
06/14/2007WO2005007993A3 Systems and methods for the installation of earth anchors
06/14/2007US20070132605 Casing mounted sensors, actuators and generators
06/14/2007US20070131414 Method for making centralizers for centralising a tight fitting casing in a borehole
06/14/2007CA2629607A1 A device for a borehole arrangement
06/13/2007EP1795698A2 Tubular filling system
06/13/2007EP1794413A2 Apparatus and method for wireline imaging in nonconductive muds
06/13/2007EP1794407A1 Bend stiffener
06/13/2007EP1252462B1 Screw-threaded pipe joint
06/13/2007CN2911172Y Rotary sucker rod string centralizer
06/13/2007CN2911171Y Tubing string dampener
06/12/2007US7228912 Method and system to deploy control lines
06/12/2007US7228903 Apparatus and method for wireline imaging in nonconductive muds
06/12/2007US7228898 Gravel pack completion with fluid loss control fiber optic wet connect
06/12/2007CA2502950C Cutting structure based hydraulics
06/12/2007CA2397299C A connection arrangement for a two-piece annular body
06/12/2007CA2377455C Tool for changing the drilling direction while drilling
06/12/2007CA2317553C A drill pipe and method of forming and reconditioning a drill pipe
06/07/2007WO2007064229A1 Clamping device for buoyancy bodies
06/07/2007US20070126596 Downhole transmission system comprising a coaxial capacitor
06/07/2007US20070125566 Reversing unit for a hand-held power tool
06/07/2007US20070125546 Strake systems and methods
06/07/2007US20070125541 Threaded connector for well servicing applications
06/07/2007US20070125439 Composite tubing
06/06/2007EP1793078A1 Method and apparatus for well construction
06/06/2007EP1792052A2 Integrated magnetic ranging tool
06/06/2007EP1792044A2 Method of manufacturing a tubular member
06/06/2007EP1792043A2 Expandable tubular member having variable material properties
06/06/2007EP1792040A2 Low carbon steel expandable tubular
06/06/2007CN2908760Y Anti-hanging drilling tool coupling
06/06/2007CN2908759Y Mechanical lock rod of rotary drilling machine
06/06/2007CN2908758Y Welding oil pipe
06/06/2007CN1977124A Screw coupling for oil well pipe
06/06/2007CN1975095A Wired pipe joint with current circuit inductive coupler
06/06/2007CN1975094A Steel pipe for burying and expansion and burying method of oil well steel pipe
06/05/2007US7226090 Rod and tubing joint of multiple orientations containing electrical wiring
06/05/2007US7225881 Passive logging sonde auger tool
06/05/2007US7225879 Method and apparatus for a monodiameter wellbore, monodiameter casing, monobore, and/or monowell
06/05/2007US7225523 Method for coupling and expanding tubing
06/05/2007CA2397298C Torque reduction tool
06/05/2007CA2240037C Cable anchor assembly
05/2007
05/31/2007WO2007061932A1 Method for monitoring fluid properties
05/31/2007US20070120364 Subsurface drill string
05/31/2007US20070119592 Earth heat transfer loop apparatus
05/31/2007US20070119589 Complaint Covering of a Downhole Component
05/31/2007CA2628133A1 Method for monitoring fluid properties
05/30/2007EP1295007B1 Tubular threaded joint with reinforced stop
05/30/2007CN2906054Y Anti-sand anti-backflow and anti-fouling multifunctional eccentric separated-zone water injection string
05/30/2007CN2906036Y Underground damper for liquid unloading and gas production by using plunger
05/30/2007CN2906035Y Ground damper for liquid unloading and gas production by using plunger
05/30/2007CN2906034Y Anti-releasing device for sucker rod
05/30/2007CN1318726C Stabilizer of gas drill horizontal well
05/29/2007US7224288 Link module for a downhole drilling network
05/29/2007US7222677 Control line guide and method of using same
05/29/2007US7222676 Well communication system
05/29/2007US7222675 Downhole draw down pump and method
05/29/2007CA2261299C Rod guide with both high erodible wear volume and by-pass area
05/29/2007CA2231930C Sucker rod cradle apparatus
05/29/2007CA2200413C A method of installing the casing in a well and apparatus therefor
05/29/2007CA2165957C Corrosion inhibitor and sealable thread protector end cap
05/24/2007WO2007058802A1 Drill bit assembly with an indenting member
05/24/2007WO2007058751A2 Recoil auger with clutch bearing
05/24/2007WO2007058738A1 Optical sensor use in alternate path gravel packing with integral zonal isolation
05/24/2007US20070114063 Mud depression tool and process for drilling
05/24/2007US20070114051 Hand-held power tool with foamed cabling
05/24/2007US20070114037 Wellbore system for simultaneous drilling and production
05/24/2007US20070114031 Completion apparatus and methods for use in hydrocarbon wells
05/24/2007DE102006023402B3 Bohrvorrichtung Drilling device
05/23/2007EP1787006A1 Method for drilling oil and gas wells
05/23/2007CN2903362Y Multifunctional centering guide, wax scraping, oil increasing device
05/23/2007CN2903361Y Oil well sleeve gas straight exhausting apparatus
05/23/2007CN2903355Y Self filling tongue sheet type floating hoop
05/23/2007CN2903342Y Sucker rod rotatable type connecting hoop centering guide
05/23/2007CN2903341Y Flexible sucker rod centering guide
05/23/2007CN2903340Y Bended sucker rod centering guide
05/23/2007CN2903339Y Connecting-tripping device of screw pump for layered producing oil
05/23/2007CN2903338Y Tubing pulling oil draining joint
05/23/2007CN2903337Y Oil pipe insulating short joint
05/23/2007CN2903336Y Washout resisting spraying proof anti leakaging square drill bar joint
05/23/2007CN1317480C Sleeved petroleum pipe with special jointer for resisting squeeze and its making method
05/22/2007US7219752 System and method for damping vibration in a drill string
05/22/2007US7219750 Process and system for drilling and lining a bore hole
05/22/2007US7219747 Providing a local response to a local condition in an oil well
05/22/2007US7219745 Completion apparatus and methods for use in wellbores
05/22/2007US7219738 Inner riser adjustable hanger and seal assembly
05/22/2007US7219727 Wear resistant tubular connection
05/22/2007CA2462381C Fracture and wear resistant compounds and rock bits
05/22/2007CA2376823C Apparatus and method for directional drilling with coiled tubing