Granted Patent
Utility
US 6,454,002 · App. 09/703,762
Method and apparatus for increasing production from a well system using multi-phase technology in conjunction with gas-lift
Inventors:
Edward G. Stokes, Marshall H. Mitchell, Dennis Perry
Patented Case
View Patent ↗
Granted: Sep 24, 2002
Filed: Nov 1, 2000
Inventors
Edward G. Stokes
Marshall H. Mitchell
Dennis Perry
Assignee (at issue)
Conoco Inc.
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.