Granted Patent
Utility
US 5,205,310 · App. 07/758,659
System and method for flow control for high watercut oil production
Inventors:
Miroslav M. Kolpak, William D. Hetherington
Patented Case
View Patent ↗
Granted: Apr 27, 1993
Filed: Sep 12, 1991
Inventors
Miroslav M. Kolpak
William D. Hetherington
Assignee (at issue)
Atlantic Richfield 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.