S. Prabhakara Rao

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Duncan, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Hydrolytically stable polymers for use in oil field cementing metho...
- Patent number 4,555,269
- Issue date Nov 26, 1985
- Halliburton Company
- S. Prabhakara Rao
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
High density well drilling, completion and workover brines, fluid l...
- Patent number 4,554,081
- Issue date Nov 19, 1985
- Halliburton Company
- John K. Borchardt
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Salt cement dispersant and method of using same in cementing subter...
- Patent number 4,522,653
- Issue date Jun 11, 1985
- Halliburton Company
- S. Prabhakara Rao
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Hydrolytically stable polymers for use in oil field cementing metho...
- Patent number 4,515,635
- Issue date May 7, 1985
- Halliburton Company
- S. Prabhakara Rao
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Oil field cementing methods and compositions
- Patent number 4,500,357
- Issue date Feb 19, 1985
- Halliburton Company
- Lance E. Brothers
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES