|
| US3960214 | 6 Jun 1975 | 1 Jun 1976 | Atlantic Richfield Company | Recovery of bitumen by steam injection |
| US3993133 | 18 Apr 1975 | 23 Nov 1976 | Phillips Petroleum Company | Selective plugging of formations with foam |
| US4390067 | 6 Apr 1981 | 28 Jun 1983 | Exxon Production Research Co. | Method of treating reservoirs containing very viscous crude oil or bitumen |
| US4434849 | 9 Feb 1981 | 6 Mar 1984 | Heavy Oil Process, Inc. | Method and apparatus for recovering high viscosity oils |
| US4456065 | 20 Aug 1981 | 26 Jun 1984 | Elektra Energie A.G. | Heavy oil recovering |
| US4641709 | 17 May 1985 | 10 Feb 1987 | Conoco Inc. | Controlling steam distribution |
| US4687057 | 14 Aug 1985 | 18 Aug 1987 | Conoco, Inc. | Determining steam distribution |
| US4702316 | 3 Jan 1986 | 27 Oct 1987 | Mobil Oil Corporation | Injectivity profile in steam injection wells via ball sealers |
| US4759408 | 8 Jun 1987 | 26 Jul 1988 | Texaco Inc. | Method of shutting off a portion of a producing zone in a hydrocarbon producing well |
| US4793415 | 29 Dec 1986 | 27 Dec 1988 | Mobil Oil Corporation | Method of recovering oil from heavy oil reservoirs |
| US4919206 | 19 Jul 1989 | 24 Apr 1990 | Mobil Oil Corporation | Method for preventing bitumen backflow in injection wells when steam injection is interrupted |
| US4962814 | 28 Sep 1989 | 16 Oct 1990 | Mobil Oil Corporation | Optimization of cyclic steam in a reservoir with inactive bottom water |
| US5022466 | 2 May 1990 | 11 Jun 1991 | Mobil Oil Corporation | Method for steam flooding profile control |
| US5209293 | 2 Mar 1992 | 11 May 1993 | Mobil Oil Corporation | Apparatus for fluidizing formation fines entrained in formation fluids entering a production well penetrating an oil-bearing formation |