Granted Patent
Utility
US 6,568,474 · App. 09/818,298
Rigless one-trip perforation and gravel pack system and method
Inventors:
Kevin R. George, Stanley Wall, Marvin Bryce Traweek, Barry Ed Smith, David Walker, David Hebert
Patented Case
View Patent ↗
Granted: May 27, 2003
Filed: Mar 27, 2001
Inventors
Kevin R. George
Stanley Wall
Marvin Bryce Traweek
Barry Ed Smith
David Walker
David Hebert
Assignee (at issue)
BJ Services Company, U.S.A.
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.