Referenced by|
| US3975142 | 21 Nov 1973 | 17 Aug 1976 | | Heat shield composition | | US4258791 | 29 Jan 1980 | 31 Mar 1981 | NL Industries, Inc. | Thermal insulation method | | US4528104 | 19 Aug 1982 | 9 Jul 1985 | NL Industries, Inc. | Oil based packer fluids | | US4877542 | 10 May 1988 | 31 Oct 1989 | Intevep, S. A. | Thermal insulating fluid | | US5045588 | 7 Nov 1974 | 3 Sep 1991 | The United States of America as represented by the Secretary of the Navy | High polymer suspension | | US5677267 | 16 Nov 1995 | 14 Oct 1997 | Intevep, S.A. | Thixotropic fluid for well insulation |
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