DOWNHOLE MACHINE Russian patent published in 2007 - IPC E21B43/14 

Abstract RU 2309246 C1

FIELD: oil and gas production, particularly machines for a number of production object exploitation via single well.

SUBSTANCE: downhole machine comprises pipe string with pump and pipe string defining stages with one or several packers, as well as controllable nipple means and control equipment. The machine has liner arranged downstream of pump and arranged in pipe string, which defines stages. Control equipment is installed on liner and distributed along liner length so that control equipment is arranged within each stage.

EFFECT: optimized oil production and well operation due to possibility of separate calculation of product obtained from each object.

8 cl, 2 dwg, 1 ex

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RU 2 309 246 C1

Authors

Garipov Oleg Marsovich

Dates

2007-10-27Published

2006-02-02Filed