| Patents for E21B 33 - Sealing or packing boreholes or wells (33,564) |
|---|
| 03/30/2006 | WO2005121505A3 Aqueous-based tackifier fluids and methods of use |
| 03/30/2006 | US20060065408 Methods and apparatus for expanding tubular strings and isolating subterranean zones |
| 03/30/2006 | US20060065403 Bottom plug for forming a mono diameter wellbore casing |
| 03/30/2006 | US20060065402 Drilling system and method for controlling equivalent circulating density during drilling of wellbores |
| 03/30/2006 | US20060065401 System for sensing riser motion |
| 03/30/2006 | US20060065399 Zeolite compositions for lowering maximum cementing temperature |
| 03/30/2006 | CA2583538A1 Expandable seal |
| 03/29/2006 | EP1639230A1 Apparatus and method for recovering fluids from a well and/or injecting fluids into a well |
| 03/29/2006 | EP1639226A2 Wellhead assembly with pressure actuated seal assembly and running tool |
| 03/29/2006 | EP1570153B1 Downhole safety valve for central circulation completion system |
| 03/29/2006 | CN2767654Y Uniflow rubber plug |
| 03/29/2006 | CN2767653Y Top liner cementing circulating tool for horizontal well liner completion |
| 03/29/2006 | CN2767652Y Packer for packing electric pump well |
| 03/29/2006 | CN2767651Y Ribbon wound sealer for pumping well polish rod |
| 03/29/2006 | CN2767650Y Automatic bias adjusting polish rod sealer |
| 03/29/2006 | CN2767649Y Environment-friendly stuffing box with jet prevention function |
| 03/29/2006 | CN2767648Y Horizontal angle bias adjusting device for polish rod sealer |
| 03/29/2006 | CN1752411A Technique of mine flyash making thick liquid, delivering and injecting thick liquid |
| 03/29/2006 | CN1752404A Gas well separate layer fracturing and producing integrated well completing pipe string and technique |
| 03/29/2006 | CN1752403A Large channel oil reservoir deep profile controlling method of using composite slug method |
| 03/29/2006 | CN1752402A Multifunctional jointing device for well head |
| 03/29/2006 | CN1752172A Process for preparing inorganic filler type water absorption resin by underground polymerization |
| 03/29/2006 | CN1752171A Process for preparing high water absorption resin by underground polymerization |
| 03/28/2006 | US7017881 Blowout preventer ram packer and wear insert |
| 03/28/2006 | US7017672 Self-set bridge plug |
| 03/28/2006 | US7017670 Apparatus and method for expanding and fixing a tubular member within another tubular member, a liner or a borehole |
| 03/28/2006 | US7017665 Strengthening near well bore subterranean formations |
| 03/28/2006 | US7017650 Earth loop energy systems |
| 03/28/2006 | US7017436 Boot assembly for a vehicle |
| 03/28/2006 | CA2168053C Packer inflation system |
| 03/23/2006 | WO2006030186A1 Improved stuffing box |
| 03/23/2006 | WO2006030012A1 Sealing device for sealing a well or a pipeline |
| 03/23/2006 | US20060060360 Surface flow valve and method |
| 03/23/2006 | US20060060354 Foamed cement compositions and associated methods of use |
| 03/23/2006 | US20060060353 Earth loop installed with sonic apparatus |
| 03/23/2006 | US20060060349 Wellhead isolation tool and method of fracturing a well |
| 03/23/2006 | DE102004041334B3 Bore-related isobaric extraction device for groundwater samples has specimen transport device for isobaric accommodation of the specimen with a rigid housing containing a flexible bag |
| 03/22/2006 | EP1558831A4 Method and apparatus for varying the density of drilling fluids in deep water oil drilling applications |
| 03/22/2006 | EP1549823A4 Bottom plug for forming a mono diameter wellbore casing |
| 03/22/2006 | EP1407113B1 Wellbore system with annular seal member |
| 03/22/2006 | EP1330591B1 Two-stage downhole packer |
| 03/22/2006 | CN2766031Y Sleeve plug for blocking junk |
| 03/22/2006 | CN2766030Y Pumping well polish rod gate |
| 03/22/2006 | CN2766029Y Energy-saving anti-theft bias-adjusting polish rod sealer |
| 03/22/2006 | CN2766028Y Intelligent multifunctional well mouth protector |
| 03/22/2006 | CN2766027Y Sleeve and oil gathering pipe connection pipeline and anti-theft device |
| 03/21/2006 | US7013997 Methods and apparatus for cementing drill strings in place for one pass drilling and completion of oil and gas wells |
| 03/21/2006 | US7013995 Compositions and processes for treating subterranean formations |
| 03/21/2006 | US7013976 Compositions and methods for consolidating unconsolidated subterranean formations |
| 03/21/2006 | US7013975 Foamed cement slurries, additives and methods |
| 03/21/2006 | US7013973 Method of completing poorly consolidated formations |
| 03/21/2006 | US7013971 Reverse circulation cementing process |
| 03/21/2006 | US7013970 Central circulation completion system |
| 03/21/2006 | CA2422771C Two-stage downhole packer |
| 03/21/2006 | CA2210287C Method for injecting fluid into a wellbore |
| 03/21/2006 | CA2194438C Method and apparatus for sealing and transferring force in a wellbore |
| 03/16/2006 | WO2006029379A1 Control systems and methods for active controlled bottomhole pressure systems |
| 03/16/2006 | WO2006027553A1 Winch assembly |
| 03/16/2006 | WO2005103440A3 Deploying an assembly into a well |
| 03/16/2006 | US20060054328 Process of installing compliant offshore platforms for the production of hydrocarbons |
| 03/16/2006 | US20060054327 System for neutralizing the formation of slugs in a riser |
| 03/16/2006 | US20060054321 Cement compositions comprising environmentally compatible defoamers and methods of use |
| 03/16/2006 | US20060054320 Biodegradability; hydraulic cement and invert emulsion of an oleaginous fluid, nonoleaginous fluid, and emulsifying surfactant (ether carboxylic acid) |
| 03/16/2006 | US20060054319 Base grind comprises pozzolana selected from fly ash, slag, diatomaceous earth, fumed silica, calcined shale, metalkaolin, and/or rice husk ash; subterranean zone |
| 03/16/2006 | CA2578077A1 Winch assembly |
| 03/15/2006 | EP1274920B1 High pressure rotating blowout preventer assembly |
| 03/15/2006 | EP1153320B1 Focused formation fluid sampling probe |
| 03/15/2006 | CN2765012Y Wedge-shaped disc root with bi-directional compensation |
| 03/15/2006 | CN2764930Y Inside gushing proof device of throttling control drilling tool |
| 03/15/2006 | CN2764929Y Gushing-proof operation equipment |
| 03/15/2006 | CN2764928Y Well mouth sleeve sealing deivce |
| 03/15/2006 | CN2764927Y Center adjustable one-to-two oil well sealer |
| 03/15/2006 | CN1748156A Permanent downhole resonant source |
| 03/15/2006 | CN1748072A Actuator for well-head valve or other similar applications and system incorporating same |
| 03/14/2006 | US7011312 Gland packing and sealing apparatus comprising it |
| 03/14/2006 | US7011161 Structural support |
| 03/14/2006 | US7011160 High torque and high capacity rotatable center core with ram body assemblies |
| 03/14/2006 | US7011159 Compact mid-grip fastener |
| 03/14/2006 | US7011157 Method and apparatus for cleaning a fractured interval between two packers |
| 03/14/2006 | CA2519609A1 Tubing hanger with ball valve in production string |
| 03/14/2006 | CA2329472C Decentralizing, centralizing, locating and orienting subsystems and methods for subterranean multilateral well drilling and completion |
| 03/14/2006 | CA2317004C Dispersant and fluid loss control additives for well cements, well cement compositions and methods |
| 03/14/2006 | CA2309674C Soil consolidation apparatus, tool and method |
| 03/14/2006 | CA2180522C Self monitoring oil pump seal |
| 03/09/2006 | WO2006025744A1 Safety joint device for a pipe |
| 03/09/2006 | WO2005116396A3 Subterranean fluids and methods of cementing in subterranean formations |
| 03/09/2006 | US20060048950 Well packer for a pipe string and a method of leading a line past the well packer |
| 03/09/2006 | US20060048947 Rotating stuffing box with split standpipe |
| 03/09/2006 | US20060048945 High pressure wellhead assembly interface |
| 03/09/2006 | US20060048939 Method for construction and completion of injection wells |
| 03/08/2006 | EP1023382B1 Composite proppant, composite filtration media and methods for making and using same |
| 03/08/2006 | CN2763510Y Seal test tool for eccentric water injection tool |
| 03/08/2006 | CN2763496Y Oil layer protector for preventing flushing-flood pollution |
| 03/08/2006 | CN2763489Y Small-diameter thermal recovery packer |
| 03/08/2006 | CN2763488Y Constant flow packer for separated-zone water injection |
| 03/08/2006 | CN2763487Y Built in type switching-resisting device for gate of oil production water injection bore top |
| 03/08/2006 | CN2763486Y Freezing-resisting theft-proof bore top device for oil production |
| 03/08/2006 | CN2763485Y Core compensated integral base seal casing head |
| 03/08/2006 | CN2763484Y High pressure self-sealing blowout preventer |
| 03/08/2006 | CN2763483Y Over cable high pressure bole top for submerged pump |