IP Library › Granted Patent US 5,992,521
Granted Patent Utility
US 5,992,521 · App. 08/982,993

Method and system for increasing oil production from an oil well producing a mixture of oil and gas

Inventors: Frank E. Bergren, Jean S. Weingarten
Patented Case View Patent ↗
Granted: Nov 30, 1999 Filed: Dec 2, 1997
Inventors
Frank E. Bergren
Jean S. Weingarten
Assignee (at issue)
Atlantic Richfield Company

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Quick Facts
Patent No.
US 5,992,521
App. No.
08/982,993
Filed
1997-12-02
Granted
1999-11-30
Kind
A