| Patents for E21B 41 - Equipment or details not covered by groups (7,984) |
|---|
| 06/29/1982 | US4336843 Emergency well-control vessel |
| 06/22/1982 | US4335754 Prevention of hydrogen embrittlement of metals in corrosive environments |
| 06/15/1982 | US4334862 Barrel warmer for drilling rigs |
| 06/15/1982 | CA1125930A1 Permanent cobalt catalyst for sulfite oxygen scavenger |
| 06/08/1982 | CA1125095A1 Subsurface pumping installation for handling viscous or sand-laden fluids |
| 06/02/1982 | EP0052977A2 A pick and holder assembly and a pick and a holder for such an assembly |
| 06/01/1982 | CA1124496A1 Method and apparatus for making well screen |
| 05/27/1982 | WO1982001737A1 Method of treating oil-contaminated drill muds or cuttings prior to reuse or disposal |
| 05/25/1982 | CA1124228A1 Systems, apparatus and methods for measuring while drilling |
| 05/25/1982 | CA1124091A1 Oilfield disposal process |
| 05/18/1982 | US4330402 Water sampling and disposal apparatus for an offshore operating site |
| 04/27/1982 | US4326585 Method and apparatus for treating well components with a corrosion inhibiting fluid |
| 04/06/1982 | US4323124 Coating with lecithin |
| 03/23/1982 | US4320993 Tension leg platform mooring tether connector |
| 03/02/1982 | US4317488 Apparatus for use in placing a submarine structure on the sea bed alongside an underwater well and method of drilling a plurality of closely spaced underwater wells |
| 03/02/1982 | CA1119157A1 Derrick escape system |
| 02/23/1982 | US4317174 Riser angle positioning system and process |
| 02/17/1982 | EP0046044A1 Underwater anchor assembly and method of installing the same |
| 02/16/1982 | US4315542 Mechanical tubing drain |
| 02/16/1982 | CA1118200A1 Apparatus and method for positioning one part relative to another part |
| 02/10/1982 | EP0045653A1 Mooring of floating structures |
| 02/10/1982 | EP0045652A2 Mooring of floating structures |
| 02/10/1982 | EP0045613A1 Tension leg platform mooring tether connector |
| 02/09/1982 | US4314400 Strap cutter and method |
| 02/02/1982 | US4314129 Method and apparatus for making well screen |
| 02/02/1982 | US4313785 Method and apparatus for treating waste rock cuttings |
| 02/02/1982 | US4313495 Downhole pump with pressure limiter |
| 01/26/1982 | US4312287 Apparatus for handling submersibles at sea |
| 01/12/1982 | US4310296 Heat-shield for gas-burning flare in oil production installations, particularly platforms at sea |
| 01/12/1982 | CA1116075A1 Method of servicing wellbores |
| 12/08/1981 | US4304677 Injecting a high-density aqueous solution of calcium bromide and zinc bromide; oil and gas wells; hydrostatics |
| 12/08/1981 | CA1113729A1 Underwater hull or tank |
| 12/01/1981 | CA1113418A1 Apparatus and method for removing hydrocarbons from drill cuttings |
| 11/24/1981 | CA1112888A1 Offshore/subsea flares |
| 11/17/1981 | US4300637 Tool for remotely determining the position of a device in an underwater well assembly |
| 11/10/1981 | US4299282 Well cleaner |
| 11/10/1981 | CA1112156A1 Method for the automatic placing of a submarine manifold end, and means for implementing said method |
| 09/29/1981 | CA1109767A1 System for transferring hydrocarbons to a tanker |
| 09/22/1981 | US4290714 Marine oil leak containment and recovery apparatus |
| 09/03/1981 | WO1981002442A1 Riser angle positioning system and process |
| 09/02/1981 | EP0034890A1 Connector assembly, methods of forming connections and anchored marine structures |
| 09/01/1981 | US4286896 Diving structure and method of deployment of the structure |
| 09/01/1981 | US4286665 Apparatus and method for conducting offshore well operations |
| 08/26/1981 | EP0034482A1 Guides for forming connections, and methods for forming connections |
| 08/25/1981 | US4285215 Rotary table and kelly guard |
| 08/25/1981 | CA1107712A1 Method and apparatus for leveling templates for offshore subterranean wells |
| 08/11/1981 | US4282929 Method of controlling scale in oil recovery operations |
| 08/11/1981 | US4282823 Underwater hull or tank |
| 08/05/1981 | EP0033281A1 Apparatus for the projection of a wall plastering, in particular for an excavation |
| 07/21/1981 | US4279300 Treating fluid applicator |
| 07/14/1981 | US4278362 Method for lifting an immersed device and returning it into position, and for carrying out said method |
| 07/14/1981 | US4277875 VMP Riser release tool |
| 07/07/1981 | US4277202 Positioning of the end of an underwater flowline |
| 07/07/1981 | US4276934 Method and device for blocking wells to extinguish fires, prohibit saltwater intrusion, etc. |
| 06/23/1981 | US4274486 Apparatus for and method of operating a well |
| 06/16/1981 | US4273201 Well drilling collars |
| 06/02/1981 | US4270611 Mooring station and transfer terminal for offshore hydrocarbon production |
| 05/27/1981 | EP0029353A2 Apparatus for and method of testing and completing wells |
| 05/26/1981 | US4269872 Forming closely-spaced deep depressions and coating all surfaces with a protective coating; exposure to high-speed fluid flow and abrasive particles; oil-well hydraulics |
| 05/19/1981 | US4268245 Offshore-subsea flares |
| 05/19/1981 | US4268191 Stand-by service structure for casual off-shore attendance |
| 05/19/1981 | US4268011 Stud tensioner for blowout preventer |
| 05/12/1981 | US4266607 Method for protecting a carbon dioxide production well from corrosion |
| 05/12/1981 | CA1100937A1 Subsea drilling template with carousel guidance system |
| 05/12/1981 | CA1100905A1 Sewage osmosis system |
| 04/08/1981 | EP0026353A2 Apparatus and method for connecting diverless subsea flowlines |
| 04/07/1981 | US4260658 Molybdenum or tungsten carbide surface with coating of silicon nitride, silicon carbide, or titanium diboride |
| 04/07/1981 | US4260291 Installation of an offshore structure |
| 03/31/1981 | US4258794 Underwater completion habitat |
| 03/31/1981 | US4258792 Hydraulic tubing tensioner |
| 03/10/1981 | US4255120 Portable safety flare for combustion of waste gases |
| 03/03/1981 | US4253780 Method of positioning a flare support structure for a petroleum platform |
| 02/25/1981 | EP0024180A2 Guides for use in making pipe connections and a method of making pipe connections |
| 02/24/1981 | US4252467 Suspension apparatus for attaching a submarine to a submerged structure |
| 02/03/1981 | US4248305 Aquifer recharge using natural energy |
| 02/03/1981 | CA1094946A1 Method and apparatus for mixing gaseous oxidant and lixiviant in an in situ leach operation |
| 02/03/1981 | CA1094810A1 Dispersion device for exhaust gas with a plurality of injecting nozzles |
| 01/13/1981 | US4244684 Method for controlling corrosion in thermal vapor injection gases |
| 12/30/1980 | US4242146 Absorption, compaction |
| 12/16/1980 | CA1091575A1 Apparatus for mixing gas and liquid at a downhole location |
| 11/18/1980 | US4234629 Method for improving the removal of oil from surfaces |
| 11/18/1980 | CA1089761A1 Method and apparatus for mixing gaseous oxidant and lixiviant in an in situ leach operation |
| 11/04/1980 | US4231869 Permanent cobalt catalyst for sulfite oxygen scavenging |
| 11/04/1980 | US4231682 Device for handling appliances on a sea bed |
| 11/04/1980 | US4231681 Structure for sea-bed exploitation allowing the various functions inherent in such exploitation to be performed |
| 11/04/1980 | CA1088863A1 Method of and device for handling appliances on a sea bed in particular for the operation and maintenance of well heads |
| 10/28/1980 | US4230186 Simplified subsea production wellhead |
| 10/21/1980 | US4228857 Floating platform well production apparatus |
| 10/21/1980 | US4228704 Marine riser tool |
| 09/23/1980 | US4223949 Injection into brine well to dissolve sodium chloride while inhibiting dissolution of soluble calcium compounds |
| 09/23/1980 | CA1086223A1 Split-ring riser latch |
| 09/16/1980 | US4222988 Heater to vaporize, mill to shear |
| 09/16/1980 | CA1085719A1 Guidelineless subsea wellhead entry/reentry system |
| 08/19/1980 | CA1083839A1 Pivotal connecting device for pivotally connecting an off-shore articulated column structure to a sea bottom |
| 08/12/1980 | CA1083479A1 Apparatus and method of connecting a flexible line to a subsea station |
| 07/29/1980 | US4215426 Telemetry and power transmission for enclosed fluid systems |
| 07/29/1980 | US4214842 Remotely controlled maneuverable tool means and method for positioning the end of a pipe string in offshore well operations |
| 07/29/1980 | US4214628 Multiple-purpose underground fluid injection system |
| 07/15/1980 | US4212562 Method and apparatus for leveling templates for offshore subterranean wells |
| 07/15/1980 | CA1081610A1 Reentry system for a subsea well apparatus |