IP Library › Granted Patent US 4,876,017
Granted Patent Utility
US 4,876,017 · App. 07/145,149

Use of polyalphalolefin in downhole drilling

Inventors: David O. Trahan, Michael B. Faulk
Patented Case View Patent ↗
Granted: Oct 24, 1989 Filed: Jan 19, 1988
Inventors
David O. Trahan
Michael B. Faulk

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Quick Facts
Patent No.
US 4,876,017
App. No.
07/145,149
Filed
1988-01-19
Granted
1989-10-24
Kind
A