Randolph H. Knapp

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for stimulating a well with a saline surfactant sulfate, al...
- Patent number 4,279,305
- Issue date Jul 21, 1981
- Shell Oil Company
- Randolph H. Knapp
- E21 - EARTH DRILLING MINING
Information Patent Grant
Plugging subterranean earth formations with aqueous epoxy emulsions...
- Patent number 4,042,031
- Issue date Aug 16, 1977
- Shell Oil Company
- Randolph H. Knapp
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Treating wells with a temporarily thickening cellulose ether solution
- Patent number 4,026,361
- Issue date May 31, 1977
- Shell Oil Company
- Randolph H. Knapp
- E21 - EARTH DRILLING MINING
Information Patent Grant
Asphalt plug emplacement process
- Patent number 4,008,096
- Issue date Feb 15, 1977
- Shell Oil Company
- Randolph H. Knapp
- E21 - EARTH DRILLING MINING
Information Patent Grant
Well treating process for consolidating particles with aqueous emul...
- Patent number 4,000,781
- Issue date Jan 4, 1977
- Shell Oil Company
- Randolph H. Knapp
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Plugging subterranean regions with acrylic-epoxy resin-forming emul...
- Patent number 3,933,204
- Issue date Jan 20, 1976
- Shell Oil Company
- Randolph H. Knapp
- E21 - EARTH DRILLING MINING