Title:
Process for sealing driven wells
United States Patent 1404353


Inventors:
Ellis, Alfred B.
Application Number:
US30226519A
Publication Date:
01/24/1922
Filing Date:
06/06/1919
Assignee:
Ellis, Alfred B.
Primary Class:
Other Classes:
166/223, 166/333.1
International Classes:
E21B33/134
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