| Patents for E21B 33 - Sealing or packing boreholes or wells (33,564) |
|---|
| 03/18/1986 | US4576236 Perforation and isolation apparatus |
| 03/18/1986 | US4576230 Retrievable subsurface well casing slip and packer apparatus and method |
| 03/18/1986 | US4576196 Fluid pressure responsive valving apparatus for downhole tools |
| 03/18/1986 | US4576042 Flow basket |
| 03/18/1986 | CA1201974A1 Pressure biased seal compressor |
| 03/13/1986 | WO1986001439A1 In situ waste impoundment treating apparatus and method of using same |
| 03/11/1986 | US4575044 Lubricator section |
| 03/11/1986 | US4574882 Plug container |
| 03/11/1986 | US4574881 Split nut in blowout preventer |
| 03/11/1986 | US4574880 For the metering/injection of tracer materials into fluids |
| 03/11/1986 | US4574830 Apparatus for pigging hydrocarbon product flowlines |
| 03/11/1986 | CA1201654A1 Inflatable well packer apparatus |
| 03/04/1986 | US4573541 Multi-drain drilling and petroleum production start-up device |
| 03/04/1986 | US4573537 Casing packer |
| 03/04/1986 | US4573532 Jacquard fluid controller for a fluid sampler and tester |
| 03/04/1986 | US4573529 High flow injection anchor |
| 03/04/1986 | CA1201380A1 Well pump shield |
| 02/27/1986 | WO1986001273A1 Crossover seal assembly |
| 02/25/1986 | US4572290 Mechanical setting tool |
| 02/25/1986 | US4572289 Electric wireline packer retriever apparatus |
| 02/18/1986 | US4570716 System and apparatus of liason between an underwater wellhead and a surface support |
| 02/18/1986 | US4570673 Fluid flow delivery system |
| 02/18/1986 | CA1200759A1 Subsea caisson |
| 02/11/1986 | US4569540 Piping suspender with metal-to-metal seal |
| 02/11/1986 | US4569404 Mudline casing hanger |
| 02/11/1986 | US4569396 Selective injection packer |
| 02/04/1986 | US4567944 For use in wells |
| 02/04/1986 | CA1200196A1 Valve apparatus |
| 02/04/1986 | CA1200195A1 Lubricator valve apparatus |
| 01/30/1986 | WO1986000660A1 Borehole plug and method |
| 01/29/1986 | EP0169653A1 Subsea wellhead protector |
| 01/29/1986 | EP0169412A1 Proppant for oil and gas wells |
| 01/28/1986 | US4566541 Production tubes for use in the completion of an oil well |
| 01/28/1986 | US4566538 Fail-safe one trip perforating and gravel pack system |
| 01/28/1986 | US4566535 Dual packer apparatus and method |
| 01/28/1986 | US4566168 Quick connect adapter |
| 01/28/1986 | CA1199866A1 Wellhead stabilization |
| 01/28/1986 | CA1199865A1 Rotary blowout preventer |
| 01/22/1986 | EP0168632A1 Removable functional module for a submarine oil production installation |
| 01/21/1986 | US4565349 Fail safe hydraulic piloted pressure reducing and regulating valve |
| 01/21/1986 | US4565247 Wireline set tubing retrievable seal bore packer apparatus |
| 01/21/1986 | US4565245 Completion for tar sand substrate |
| 01/14/1986 | US4564068 Emergency release for subsea tool |
| 01/08/1986 | EP0167285A2 Remote cementing plug launching system |
| 01/07/1986 | US4562889 Method and apparatus for rotating and reciprocating well bore liner |
| 01/02/1986 | EP0166568A2 Cement collar and method of use |
| 01/02/1986 | EP0166518A2 Method and apparatus for plugging a wellbore in high impulse fracture |
| 12/31/1985 | US4561499 Tubing suspension system |
| 12/24/1985 | US4560176 Inverted cone stuffing box |
| 12/24/1985 | US4560001 Lid adapter for use with a rotating head |
| 12/24/1985 | US4559809 Process of testing blow-out preventer without pulling the wear bushing |
| 12/17/1985 | US4559390 Method for preventing degradation and deterioration of vulcanized rubber material |
| 12/17/1985 | US4558973 Subsea wellhead protector |
| 12/17/1985 | US4558842 Connector for joining blowout preventer members |
| 12/17/1985 | US4558744 Subsea caisson and method of installing same |
| 12/17/1985 | CA1198050A1 Drill hole plug |
| 12/17/1985 | CA1198049A1 Subsea wellhead assembly |
| 12/10/1985 | US4557508 Tubular connector |
| 12/03/1985 | US4556340 Method and apparatus for production of subsea hydrocarbons using a floating vessel |
| 12/03/1985 | US4556224 Crossover seal assembly |
| 12/03/1985 | CA1197459A1 Dual string well packer |
| 11/27/1985 | EP0162543A2 Underwater electric connection systems |
| 11/26/1985 | US4554973 For a bridge plug |
| 11/26/1985 | US4554971 Tubing anchor assembly |
| 11/26/1985 | CA1197182A1 Fluid operated, axially reciprocating actuator |
| 11/26/1985 | CA1197181A1 Valves |
| 11/26/1985 | CA1197176A1 Combination cementing shoe and basket |
| 11/19/1985 | US4553730 Ram-type blowout preventer and packer therefor |
| 11/19/1985 | US4553637 Pollution inhibitor packing nut |
| 11/19/1985 | US4553600 Safety installation for a submerged drilling well-head |
| 11/19/1985 | US4553594 Flow control method |
| 11/19/1985 | US4553591 Oil well drilling apparatus |
| 11/19/1985 | CA1196859A1 Wellhead assembly |
| 11/19/1985 | CA1196857A1 Packoff and seal ring assembly |
| 11/12/1985 | US4552486 Alkali metal silicate confined in a seal |
| 11/12/1985 | US4552218 Fluid pressure responsive valving apparatus |
| 11/12/1985 | US4552213 Wellhead apparatus |
| 11/12/1985 | CA1196573A1 Casing hanger |
| 11/12/1985 | CA1196570A1 Method for controlling subsurface blowout |
| 11/06/1985 | EP0160023A1 Inflatable cartridge assembly |
| 11/05/1985 | US4550895 Ram construction for oil well blow out preventer apparatus |
| 11/05/1985 | US4550782 Method and apparatus for independent support of well pipe hangers |
| 11/05/1985 | US4550779 Process for the recovery of hydrocarbons for mineral oil deposits |
| 11/05/1985 | CA1196275A1 Self-energizing locking mechanism |
| 10/30/1985 | EP0159900A2 Apparatus and method for inserting flow control means into a well casing |
| 10/30/1985 | EP0159813A2 Blowout preventer stacks |
| 10/29/1985 | US4549578 Coded fluid control system |
| 10/29/1985 | CA1195921A1 Blow out preventer warning system |
| 10/22/1985 | US4548273 Torque multiplier subsea tool |
| 10/22/1985 | US4548271 Oscillatory flow method for improved well cementing |
| 10/22/1985 | US4548266 Method for isolating two aquifers in a single borehole |
| 10/22/1985 | US4548265 Downhole steam packing |
| 10/22/1985 | US4548264 High temperature well packer |
| 10/22/1985 | CA1195610A1 High-pressure fire resistant metal seal |
| 10/22/1985 | CA1195609A1 Subsea well completion apparatus |
| 10/22/1985 | CA1195608A1 Annular blowout preventer |
| 10/16/1985 | EP0158455A2 Tubular connector |
| 10/15/1985 | US4546828 Diverter system and blowout preventer |
| 10/15/1985 | CA1195243A1 Hydraulic set high temperature isolation packer |
| 10/15/1985 | CA1195242A1 High temperature packer with low temperature setting capabilities |