IP Library › Granted Patent US 4,773,488
Granted Patent Utility
US 4,773,488 · App. 06/638,830

Development well drilling

Inventors: Larry N. Bell, Randy A. Ruedrich, Frank J. Schuh
Patented Case View Patent ↗
Granted: Sep 27, 1988 Filed: Aug 8, 1984
Inventors
Larry N. Bell
Randy A. Ruedrich
Frank J. Schuh
Assignee (at issue)
Atlantic Richfield Company

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Quick Facts
Patent No.
US 4,773,488
App. No.
06/638,830
Filed
1984-08-08
Granted
1988-09-27
Kind
A