Title:
Method and means for cementing oil-wells
United States Patent 1369891


Inventors:
Halliburton, Erle P.
Application Number:
US39198020A
Publication Date:
03/01/1921
Filing Date:
06/26/1920
Assignee:
Halliburton, Erle P.
Primary Class:
Other Classes:
166/64, 166/153, 166/291, 405/266
International Classes:
E21B33/16
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