Shell Western E & P, Inc.
Records under this name other than patents Shell Western E & P, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Back to Shell Western E & P, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,538,684 | Repair of shallow casing leaks in oil wells Term ended Term ended no later than Sep 3, 2005 · Low confidence | Term ended | Term ended no later than Sep 3, 2005 | Low confidence |
| US 4,599,013 | Fireproof boom Term ended Term ended no later than Jul 8, 2006 · Low confidence | Term ended | Term ended no later than Jul 8, 2006 | Low confidence |
| US 4,602,920 | Process for inhibiting hydrates with inorganic electrolytes while producing moist CO.sub.2 from subterranean reservoirs Term ended Term ended no later than Jul 29, 2006 · Low confidence | Term ended | Term ended no later than Jul 29, 2006 | Low confidence |
| US 4,615,388 | Method of producing supercritical carbon dioxide from wells Term ended Term ended no later than Oct 7, 2006 · Low confidence | Term ended | Term ended no later than Oct 7, 2006 | Low confidence |
| US 4,625,803 | Method and apparatus for injecting well treating liquid into the bottom of a reservoir interval Term ended Term ended no later than Dec 2, 2006 · Low confidence | Term ended | Term ended no later than Dec 2, 2006 | Low confidence |
| US 4,645,376 | Fireproof boom Term ended Term ended no later than Feb 24, 2007 · Low confidence | Term ended | Term ended no later than Feb 24, 2007 | Low confidence |
| US 4,664,190 | Process for recovering natural gas liquids Term ended Term ended no later than May 12, 2007 · Low confidence | Term ended | Term ended no later than May 12, 2007 | Low confidence |
| US 4,697,426 | Choke cooling waxy oil Term ended Term ended no later than Oct 6, 2007 · Low confidence | Term ended | Term ended no later than Oct 6, 2007 | Low confidence |
| US 4,702,758 | Turbine cooling waxy oil Term ended Term ended no later than Oct 27, 2007 · Low confidence | Term ended | Term ended no later than Oct 27, 2007 | Low confidence |
| US 4,714,379 | Pipelay in slurry trench Term ended Term ended no later than Dec 22, 2007 · Low confidence | Term ended | Term ended no later than Dec 22, 2007 | Low confidence |