Title:
Methods for performing operations in a well bore
United States Patent 3327781


Inventors:
Nutter, Benjamin P.
Application Number:
US54416266A
Publication Date:
06/27/1967
Filing Date:
04/21/1966
Assignee:
SCHLUMBERGER TECHNOLOGY CORP
Primary Class:
Other Classes:
166/145, 166/151, 166/162, 166/307
International Classes:
E21B33/124; E21B49/08
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