Title:
Process and device for restoring lost circulation
United States Patent 3362476


Inventors:
Poollen, Hendrik Van K.
Application Number:
US59855766A
Publication Date:
01/09/1968
Filing Date:
10/10/1966
Assignee:
MARATHON OIL CO
Primary Class:
Other Classes:
166/162, 166/192, 166/292, 175/72
International Classes:
C09K8/60; E21B33/134
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