Title:
Method of temporarily closing perforations in the casing
United States Patent 2754910


Inventors:
Derrick, James V.
Kaltenberger, Lloyd H.
Application Number:
US50421255A
Publication Date:
07/17/1956
Filing Date:
04/27/1955
Assignee:
CHEMICAL PROCESS COMPANY
Primary Class:
Other Classes:
137/512, 138/46, 138/97, 166/193, 210/170.01, 417/392
International Classes:
C09K8/60; E21B33/138; E21B43/25; E21B43/26
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