Charles W. Smith

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Duncan, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Clay stabilization during oil and gas well cementing operations
- Patent number 4,393,939
- Issue date Jul 19, 1983
- Halliburton Services
- Charles W. Smith
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Temperature gelation activated aqueous silicate mixtures and proces...
- Patent number 4,293,440
- Issue date Oct 6, 1981
- Halliburton Company
- Eugene A. Elphingstone
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES