John W. Powell

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New Orleans, LA, US

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Patents Grantslast 30 patents

Information Patent Grant
Remediation treatment of sustained casing pressures (SCP) in wells...
- Patent number 6,959,767
- Issue date Nov 1, 2005
- M-I L.L.C.
- Robert L. Horton
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
Remediation Treatment of Sustained Casing Pressures (SCP) In Wells...
- Publication number 20040216882
- Publication date Nov 4, 2004
- M-I L.L.C.
- Robert L. Horton
- E21 - EARTH DRILLING MINING