Patent assignee · US · COMPANY

Shell Western E & P, Inc.

22Patents
0Active
22Granted
33Portfolio score

Filing activity: Oct 25, 1984 → Dec 11, 1992

Most-cited patents

PatentTitleAreaCited byStatus
US4702758A Turbine cooling waxy oil Emerging Cross-Sectional Technologies 67 Expired
US4913630A Method and apparatus for high-efficiency gas separation upstream of a submersible pump Fixed Constructions 49 Expired
US4793423A Process for treating drilled cuttings Fixed Constructions 36 Expired
US5040470A Steam generating system with NO.sub.x reduction Mechanical Engineering; Lighting; Heating 28 Expired
US4832127A Method and apparatus for producing viscous crudes Fixed Constructions 24 Expired
US4836284A Equilibrium fracture acidizing Fixed Constructions 24 Expired
US5146994A Packing assembly for use with reeled tubing and method of operating and removing same Fixed Constructions 23 Expired
US4901413A Method and apparatus for establishing multi-stage gas separation upstream of a submersible pump Emerging Cross-Sectional Technologies 23 Expired
US4788927A Retractable towing shackle Performing Operations; Transporting 17 Expired
US4615388A Method of producing supercritical carbon dioxide from wells Emerging Cross-Sectional Technologies 16 Expired
US4625803A Method and apparatus for injecting well treating liquid into the bottom of a reservoir interval Emerging Cross-Sectional Technologies 15 Expired
US5002484A Method and system for flue gas recirculation Mechanical Engineering; Lighting; Heating 15 Expired
US4714379A Pipelay in slurry trench Fixed Constructions 15 Expired
US5176838A Sand pan Performing Operations; Transporting 14 Expired
US4697426A Choke cooling waxy oil Emerging Cross-Sectional Technologies 14 Expired
US4664190A Process for recovering natural gas liquids Fixed Constructions 14 Expired
US4602920A Process for inhibiting hydrates with inorganic electrolytes while producing moist CO.sub.2 from subterranean reservoirs Chemistry; Metallurgy 10 Expired
US4645376A Fireproof boom Fixed Constructions 9 Expired
US5108272A Sucker rod pump Fixed Constructions 8 Expired
US5303774A Ring seal packer Fixed Constructions 6 Expired
US5104301A Sucker rod pump Emerging Cross-Sectional Technologies 4 Expired
US4599013A Fireproof boom Fixed Constructions 3 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.