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WELL CONTROL METHOD
US 3,498,393 A
Filed
: 09/26/1967
Issued
: 03/03/1970
Est. Priority Date
: 09/26/1967
Status: Expired due to Term
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Current Assignee
Chester M. Harden
,
Clyde E. Pearce
,
West Alfred Gordon
Original Assignee
Chester M. Harden
,
Clyde E. Pearce
,
West Alfred Gordon
Inventors
WEST ALFRED GORDON
,
Harden, Chester M.
,
Pearce, Clyde E.
Application Number
US04/670,559
Time in Patent Office
889 Days
Field of Search
US Class Current
175/48
CPC Class Codes
E21B 21/067
Separating gases from drill...
E21B 21/08
Controlling or monitoring p...
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