| Patents for E21B 33 - Sealing or packing boreholes or wells (33,564) |
|---|
| 02/23/2010 | CA2483957C Method of drilling and completing multiple wellbores inside a single caisson |
| 02/23/2010 | CA2394247C A drillpipe sub |
| 02/20/2010 | CA2675201A1 High temperature packer and method |
| 02/19/2010 | CA2675819A1 Method for completion, maintenance and stimulation of oil and gas wells |
| 02/18/2010 | WO2010019958A1 Cementing enhancement device |
| 02/18/2010 | WO2010019819A1 Anti-extrusion device for swell rubber packer |
| 02/18/2010 | WO2010019378A2 Plug removal and setting system and method |
| 02/18/2010 | WO2010018355A2 Top suction fluid end |
| 02/18/2010 | WO2009137729A3 Choke trim assembly |
| 02/18/2010 | WO2009129307A4 Multi-section tree completion system |
| 02/18/2010 | WO2009114704A9 Subsea tool changer |
| 02/18/2010 | US20100038860 Controllably-Deformable Inflatable Sleeve, Production Method Thereof and Use of Same For Pressure Metering Applications |
| 02/18/2010 | US20100038177 Wireline grease injection apparatus having removable grease injection tubes |
| 02/18/2010 | US20100038089 Wellhead assembly having seal assembly with axial restraint |
| 02/18/2010 | US20100038085 Methods of underground formation consolidation |
| 02/18/2010 | US20100038084 for subterranean formations, well bores; compressive strength |
| 02/18/2010 | US20100038075 Seal or fluid barrier using strands |
| 02/18/2010 | US20100038074 Anti-extrusion device for swell rubber packer |
| 02/18/2010 | US20100038073 Hydraulic well packer |
| 02/18/2010 | US20100038072 Sealing and anchoring device for use in a well |
| 02/18/2010 | US20100038069 Well bore fluid redistribution and fluid disposal |
| 02/18/2010 | DE102005016595B4 Verbindungsplatte und Verbindungsplattenanordnungen für Unterwasser-Hydraulikkupplungen Connecting plate and connecting plate assemblies for underwater hydraulic couplings |
| 02/18/2010 | CA2737073A1 Cementing device and method |
| 02/17/2010 | EP2153016A2 A self energizing seal element |
| 02/17/2010 | EP2152832A1 Use of elastomers to produce gels for treating a wellbore |
| 02/17/2010 | CN201407016Y Single-machine multi-well horizontal flexible energy-saving pumping unit |
| 02/17/2010 | CN201407009Y 液压封隔器 Hydraulic packer |
| 02/17/2010 | CN201407008Y Sucker rod blowout preventer of oil pumping well |
| 02/17/2010 | CN201407007Y Non power consumption maintenance-free well head sealer |
| 02/17/2010 | CN201407006Y Security clamping hoop for wellhead of oil well or water well |
| 02/17/2010 | CN201407005Y Dual-use wellhead device for steam injection and oil production |
| 02/16/2010 | USRE41118 Annular isolators for expandable tubulars in wellbores |
| 02/16/2010 | USRE41117 Universal cementing plug |
| 02/16/2010 | US7662755 Sealant compositions and methods of using the same to isolate a subterranean zone from a disposal well |
| 02/16/2010 | US7661481 Downhole wellbore tools having deteriorable and water-swellable components thereof and methods of use |
| 02/16/2010 | US7661478 Ball drop circulation valve |
| 02/16/2010 | US7661472 Methods and apparatus for injecting fluids at a subterranean location in a well |
| 02/16/2010 | US7661471 Self energized backup system for packer sealing elements |
| 02/16/2010 | US7661470 Expandable packer with anchoring feature |
| 02/16/2010 | CA2660547C Dual-cylinder blowout preventer operator system |
| 02/16/2010 | CA2660536C Blowout preventer operator locking system |
| 02/16/2010 | CA2603905C Blowout preventer and pump rod clamp |
| 02/16/2010 | CA2521259C Drilling fluids with improved shale inhibition and methods of drilling in subterranean formations |
| 02/14/2010 | CA2675784A1 Insulated double-walled well completion tubing for high temperature use |
| 02/11/2010 | WO2010017208A2 Swelling delay cover for a packer |
| 02/11/2010 | WO2009120578A4 Telescoping wiper plug |
| 02/11/2010 | US20100032163 Purge system |
| 02/11/2010 | US20100032155 Formation saver sub and method |
| 02/11/2010 | US20100032153 Bypass gas lift system and method for producing a well |
| 02/11/2010 | CA2727120A1 Swelling delay cover for a packer |
| 02/10/2010 | EP2150681A1 Seal for a drill string |
| 02/10/2010 | EP2150680A2 Rotating control device docking station |
| 02/10/2010 | EP2150679A2 Blowout preventer |
| 02/10/2010 | EP2150597A2 Use of curable liquid elastomers to produce gels for treating a wellbore |
| 02/10/2010 | EP1355169B1 Method and apparatus for controlling chemical injection of a surface treatment system |
| 02/10/2010 | CN201401153Y Underground desirable two-way independent compression bridge plug |
| 02/10/2010 | CN201401152Y Double-packing-element releasing packer |
| 02/10/2010 | CN201401151Y Multistage adjustable machine water plugging device |
| 02/10/2010 | CN201401150Y Swabbing damper of low-pressure gas well |
| 02/10/2010 | CN201401149Y Throw-type oil pipe blowout plug |
| 02/10/2010 | CN201401148Y Expanding type capsule sealing anti-spray box |
| 02/10/2010 | CN201401147Y Well blowout prevention device |
| 02/10/2010 | CN201401146Y Flange used along with silk connection type blowout preventer |
| 02/10/2010 | CN201401145Y Separate reducing bottom flange |
| 02/10/2010 | CN201401144Y Separate bottom flange |
| 02/10/2010 | CN101646838A Oil well stage-cementing metal plate |
| 02/10/2010 | CN101644151A Multifunctional nanoparticles for downhole formation treatments |
| 02/10/2010 | CN101644150A After-loading orifice tube and installation method thereof |
| 02/10/2010 | CN101644149A Integral type level oil extraction wellhead equipment |
| 02/10/2010 | CN101644148A Non-smooth flexible rope corrugated pipe wellhead sealing device |
| 02/09/2010 | CA2636835C A method and apparatus for creating a cemented lateral junction system |
| 02/09/2010 | CA2601282C Hydrodynamic rotary seal with opposed tapering seal lips |
| 02/09/2010 | CA2573159C Shearing sealing ram |
| 02/09/2010 | CA2453660C Wellbore system with annular seal member |
| 02/04/2010 | WO2010014697A2 Subsea well intervention systems and methods |
| 02/04/2010 | WO2010014382A2 Adjustable hanger for inner production riser |
| 02/04/2010 | WO2010014326A1 Device to insert a flexible member into pressurized wellhead housing |
| 02/04/2010 | WO2010012979A1 Load bearing assembly |
| 02/04/2010 | WO2010012487A1 Method and apparatus for installing a wireline for logging or other operations in an under-balanced well |
| 02/04/2010 | WO2009117478A4 Torque-provider |
| 02/04/2010 | US20100028086 Guide arrangement |
| 02/04/2010 | US20100025117 Spring load seal assembly and well drilling equipment comprising same |
| 02/04/2010 | US20100025049 Swelling delay cover for a packer |
| 02/04/2010 | US20100025039 Cement Compositions and Methods Utilizing Nano-Clay |
| 02/04/2010 | US20100025038 Methods of using stable hydrocarbon foams |
| 02/04/2010 | US20100025037 System and method for controlling sand production in wells |
| 02/04/2010 | US20100025036 Method and Apparatus for Selective Treatment of a Perforated Casing |
| 02/04/2010 | US20100024907 Subsea coupling |
| 02/04/2010 | CA2731545A1 Load bearing assembly |
| 02/04/2010 | CA2730652A1 Subsea well intervention systems and methods |
| 02/03/2010 | EP2149672A1 Load bearing assembly |
| 02/03/2010 | EP2149670A1 Method and apparatus for installing a wireline for logging or other operations in an under-balanced well |
| 02/03/2010 | EP2149185A1 Power supply system |
| 02/03/2010 | CN201396109Y Oil well surface casing cementing device |
| 02/03/2010 | CN201396108Y Retrievable-type bridge plug |
| 02/03/2010 | CN201396107Y Retrievable-type cement-squeezing bridge plug |
| 02/03/2010 | CN201396106Y Novel differential pressure type two-stage cementer |
| 02/03/2010 | CN201396105Y Difunctional anti-sticking packer |
| 02/03/2010 | CN201396104Y Mechanical type packer assembly |
| 02/03/2010 | CN201396103Y Packer |