Method and apparatus for reducing gas well production costs usin

Details Method and apparatus for reducing gas well production costs usin Method and apparatus for reducing gas well production costs usin

1996-01-02

2000-03-07

Dang, Hoang C.

Wells

Processes

Producing the well

166105, 166106, E21B 4312

Patent

active

06032743&

ABSTRACT:
Methods and apparatus are disclosed for reducing lifting costs in a producing hydrocarbon well by injecting produced water into a set of injection perforations located lower in the well borehole from a set of production perforations. A plunger pump and a cage-ball valve system are placed above a production packer which is located between the production and injection perforations. The valve system and pump are arranged to take produced water from above the packer and pump into the injection perforations only on the downstroke of the rod string activated plunger pump.

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patent: 3199592 (1965-08-01), Jacob
patent: 5176216 (1993-01-01), Slater et al.
patent: 5296153 (1994-03-01), Peachey
patent: 5425416 (1995-06-01), Hammeke et al.
patent: 5497832 (1996-03-01), Stuebinger et al.
patent: 5579838 (1996-12-01), Michael

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