Granted Patent
Utility
US 6,564,865 · App. 10/025,444
Oil and gas production with downhole separation and reinjection of gas
Inventors:
Jerry L. Brady, James L. Cawvey, John M. Klein, Mark D. Stevenson, Steven Svedeman, Steven Petullo, Kerry N. Oliphant
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: Dec 19, 2001
Inventors
Jerry L. Brady
James L. Cawvey
John M. Klein
Mark D. Stevenson
Steven Svedeman
Steven Petullo
Kerry N. Oliphant
Assignee (at issue)
ConocoPhillips Company
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.