Method of verttcally fracturing cased wells
United States Patent 2952319

Inventors:
Lee, Popham Jack
Publication Date:
09/13/1960
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Assignee:
CONTINENTAL OIL CO
Primary Class:
Other Classes:
166/63, 405/53, 166/297, 166/55
International Classes:
E21B43/263; F42D1/00; E21B43/25
US Patent References:
2754910Method of temporarily closing perforations in the casing
2766828Fracturing subsurface formations and well stimulation