Single string reciprocating pump system

Details Single string reciprocating pump system Single string reciprocating pump system

E - Fixed Constructions

21

B

E21B 17/00 (2006.01) E21B 36/00 (2006.01) E21B 43/12 (2006.01) F04B 47/02 (2006.01) F04B 47/12 (2006.01) F04B 53/14 (2006.01)

Patent

CA 2278827

A hollow sucker rod pumping system permits the production of fluid within the hollow rod string. The system is adapted to include a rigid wellhead which allows access to the casing annular space, one-trip running and setting of a pump with the hollow rod string. Preferably, means to heat the rod string electrically may be provided.

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