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Title:
LIQUID ROD PUMP
Document Type and Number:
WIPO Patent Application WO/2010/002841
Kind Code:
A3
Abstract:
The present invention comprises a downhole unit that includes at least one plunger and that uses a power fluid to recover production fluid from a well.

Inventors:
SIMMONS EUGENE DARRELL (US)
Application Number:
PCT/US2009/049176
Publication Date:
April 08, 2010
Filing Date:
June 30, 2009
Export Citation:
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Assignee:
SIMMONS EUGENE DARRELL (US)
International Classes:
E21B43/12; E21B43/38; F04B15/00
Foreign References:
US4861239A1989-08-29
US20070131429A12007-06-14
US6131660A2000-10-17
US4611974A1986-09-16
Other References:
See also references of EP 2313608A4
Attorney, Agent or Firm:
UPDEGRAFF, Samantha (P.C.P.O. Box 2692, Albuquerque NM, US)
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