| BRIDGESAL TEXAS UNITED CHEMICAL CORPORATION
73720090 01 Apr 1988 | on 07 Nov 2009 | TREATING OF OIL, GAS, WATER, INJECTION AND STORAGE WELLS WITH NONDAMAG... Class 040 Class 040 Treatment & Processing of Materials Services TREATING OF OIL, GAS, WATER, INJECTION AND STORAGE WELLS WITH NONDAMAGING WORKOVER AND COMPLETION FLUIDS HAVING WATER SOLUBLE BRIDGING AGENTS FOR BRIDGING AND TEMPORARILY PLUGGING PRODUCTIVE FORMATIONS AND THEREAFTER REMOVING SUCH FLUIDS | | | LITESAL TEXAS UNITED CHEMICAL CORPORATION
73720035 01 Apr 1988 | on 19 Sep 2009 | TREATING OF OIL, GAS AND WATER WELLS WITH COMPLETION AND WORKOVER FLUI... Class 040 Class 040 Treatment & Processing of Materials Services TREATING OF OIL, GAS AND WATER WELLS WITH COMPLETION AND WORKOVER FLUIDS FOR BRIDGING AND TEMPORARILY PLUGGING PRODUCTIVE PERMEABLE ZONES DURING COMPLETION OR WORKOVER AND THEREAFTER REMOVING SUCH FLUIDS | | | LITEPLUG TEXAS UNITED CHEMICAL CORPORATION
73498564 10 Sep 1984 | on 18 Nov 2006 | WORKOVER AND COMPLETION FLUIDS TO ASSIST IN TEMPORARY BRIDGING AND SEA... Class 001 Class 001 Chemical Products LIGHTPLUG | | | BREAKE TEXAS UNITED CHEMICAL CORPORATION
74583467 07 Oct 1994 | on 30 Sep 2006 | compositions for decomposing the polymers present in filter cakes on t... Class 001 Class 001 Chemical Products compositions for decomposing the polymers present in filter cakes on the surface of a borehole in subterranean formations | | | LITESAL TEXAS UNITED CHEMICAL CORPORATION
73490455 18 Jul 1984 | on 12 Aug 2006 | WORKOVER AND COMPLETION FLUIDS FOR OIL, GAS AND WATER WELLS,WORKOVER A... Class 001 Class 001 Chemical Products LIGHTSAL | | | DRILTEX TEXAS UNITED CHEMICAL CORPORATION
72446694 23 Jan 1973 | on 02 Oct 2004 | POLYMER ADDITIVE THAT PROVIDES VISCOSITY, FLUID LOSS CONTROL, AND SUSP... Class 006 POLYMER ADDITIVE THAT PROVIDES VISCOSITY, FLUID LOSS CONTROL, AND SUSPENDING CHARACTERISTICS FOR DRILLING OR WORKOVER FLUID FOR USE IN OIL, GAS, WATER, DISPOSAL AND INJECTION WELLS | |