Hydrostatic referenced safety-circulating valve
A Standard patent application filed on 12 January 1987 credited to McMahan, Michael E.
;
Zunkel, Gary D.
;
Winslow, Donald W.
;
Newman, Daniel A.
Details
Application number :
67475
Application type :
Standard
Application status :
CEASED
Under opposition :
No
Proceeding type :
Invention title :
Hydrostatic referenced safety-circulating valve
Inventor :
McMahan, Michael E.
;
Zunkel, Gary D.
;
Winslow, Donald W.
;
Newman, Daniel A.
Agent name :
Address for service :
Filing date :
12 January 1987
Associated companies :
Applicant name :
Halliburton Company
Applicant address :
1015 Bois D'Arc P.O. Drawer 14311 Duncan, Oklahoma U.S.A.