| RHEOFLEX Osca, Inc.
75796481 08 Sep 1999 | on 20 Jun 2008 | COMPLETION CHEMICALS FOR USE IN OIL AND GAS WELL DRILLING, NAMELY GUAR... Class 001 Class 001 Chemical Products RHEO FLEX | | | HYDRAFLEX OSCA, Inc.
75709670 17 May 1999 | on 02 May 2008 | COMPLETION CHEMICALS FOR USE IN OIL AND GAS DRILLING, NAMELY POLYMER B... Class 001 Class 001 Chemical Products HYDRA FLEX | | | VISCOFLEX OSCA, Inc.
75708268 17 May 1999 | on 08 Dec 2007 | COMPLETION CHEMICALS FOR USE IN OIL AND GAS DRILLING, NAMELY NON-POLYM... Class 001 Class 001 Chemical Products VISCOSITY FLEX | | | OSCA OSCA, Inc.
75709658 17 May 1999 | on 28 Sep 2002 | devices for use in oil and gas completion, namely devices that simulat... Class 001 Class 001 Chemical Products devices for use in oil and gas completion, namely devices that simulate, fracture, sand control and/or gravel pack formation, and that are used in coil tubing operations, for recovering oil and gas from the formations Class 007 Class 007 Machinery Products services in the field of oil and gas recovery, namely designing, testing and employing systems that stimulate, fracture, sand control and/or gravel pack formations and other wise facilitate the recovery of oil and gas from these formations Class 042 Computer & Software Services & Scientific Services providing technical design and consulting services for systems with completion applications in oil well drilling operations and rental of machinery and equipment for use to the oil well drilling industry | | | OSCA OSCA, Inc.
75708177 17 May 1999 | on 28 Sep 2002 | services in the field of oil and gas recovery, namely designing, testi... Class 001 Class 001 Chemical Products completion chemicals for use in oil and gas recovery, namely polymer and non-polymer based fracturing fluids, and completion fluids, including brines and additives, for new and work over well completions Class 007 Class 007 Machinery Products services in the field of oil and gas recovery, namely designing, testing and employing systems that stimulate, fracture, sand control and/or gravel pack formations and otherwise facilitate the recovery of oil and gas from these formations Class 042 Computer & Software Services & Scientific Services devices for use in oil and gas completion, namely devices that stimulate, fracture, sand control and/or gravel pack formations, and that are used in coil tubing operations, for recovering oil and gas from the formations | | | AQUAFLEX OSCA, Inc.
75708234 17 May 1999 | on 15 Nov 2001 | completion chemicals for use in oil and gas drilling, namely polymer b... Class 001 Class 001 Chemical Products AQUA FLEX | | | ULTRAFLEX Osca, Inc.
75708241 17 May 1999 | on 25 Oct 2001 | Completion chemicals for use in oil and gas drilling, namely polymer b... Class 001 Class 001 Chemical Products ULTRA FLEX | | | ENCOR OSCA, Inc.
74048468 06 Apr 1990 | on 28 Dec 1998 | waste treatment services, namely, waste remediation; and consulting se... Class 040 Class 040 Treatment & Processing of Materials Services waste treatment services, namely, waste remediation; and consulting services in the field of waste treatment | |