METHOD FOR OIL PRODUCTION Russian patent published in 2013 - IPC E21B43/18 

Abstract RU 2481466 C1

FIELD: oil and gas industry.

SUBSTANCE: production method includes descending of tubing string with bottom-hole pump and packer into the well, packer location above the interval of production formation, packer installation and oil extraction by bottom-hole pump. According to invention there used is a low flow rate well as a well, bottom-hole pump is equipped with bottom-hole pressure gauge and located not higher than production formation interval, at oil extraction in under-packer zone there maintained is the negative bottom-hole pressure.

EFFECT: increase of well productivity.

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RU 2 481 466 C1

Authors

Takhautdinov Shafagat Fakhrazovich

Valiev Fanis Khamatovich

Khisamov Rais Salikhovich

Smykov Viktor Vasil'Evich

Zherebtsov Vjacheslav Evgen'Evich

Dates

2013-05-10Published

2012-07-05Filed