Title:
Method of treating oil fields
United States Patent 1826371
Inventors:
Spindler, Peter J.
Publication Date:
10/06/1931
Assignee:
Spindler, Peter J.
Other Classes:
166/268, 166/269
International Classes:
E21B43/16; E21B43/30; E21B43/00; E21B43/16