Gas lifting system
United States Patent 3090316
US Patent References:
Fluid lift device
- - 1932497

Apparatus for pumping wells
- - 2669936

Apparatus for pumping wells
- - 2698582

Well pump
- - 2755742


Inventors:
Montgomery, Norman E.
Publication Date:
05/21/1963
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Assignee:
SHELL OIL CO
Primary Class:
166/372
Other Classes:
417/58
International Classes:
F04B47/04; F04B47/00