Method and means for increasing the flow of fluid from well casings
United States Patent 2144208
Inventors:
Meter, James Van W.
Publication Date:
01/17/1939
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Assignee:
Hercules, Oil Well Shooting Com
Primary Class:
Other Classes:
166/222, 166/58, 175/11, 89/1.150, 166/65.100, 166/55
International Classes:
E21B43/114; E21B43/11