Title:
Method of producing an oil bearing formation
United States Patent 3280909


Inventors:
Closmann, Philip J.
Matthews, Charles S.
Application Number:
US33882364A
Publication Date:
10/25/1966
Filing Date:
01/20/1964
Assignee:
SHELL OIL CO
Primary Class:
Other Classes:
166/271
International Classes:
E21B43/24; E21B43/30
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