Title:
Off-bottom drill stem tester
United States Patent 2978046


Inventors:
True, Martin E.
Application Number:
US73928358A
Publication Date:
04/04/1961
Filing Date:
06/02/1958
Assignee:
JERSEY PROD RES CO
Primary Class:
Other Classes:
166/162, 166/187, 166/191, 166/264, 175/236, 175/325.2
International Classes:
E21B33/124; E21B49/08
View Patent Images:
US Patent References:
2557925Sampling apparatus1951-06-26
2497185Drill stem testing device1950-02-14
2229635Well testing tool1941-01-28