WELL OPERATION STIMULATION Russian patent published in 2014 - IPC E21B43/267 E21B29/10 

Abstract RU 2536524 C1

FIELD: oil-and-gas industry.

SUBSTANCE: proposed method comprises test injection of frac fluid and bundle of frac fluids with proppant, correction of frac project and execution of the main frac process. Well is equipped with extra string and tube space is cemented. At hydrofrac, components are injected via said extra string at communicated perforation interval and well top space at pressure lower than permissible for extra string and at low frac fluid flow rate.

EFFECT: intensified production at worn-out string.

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RU 2 536 524 C1

Authors

Khisamov Rais Salikhovich

Taziev Mirgazijan Zakievich

Ganiev Bulat Galievich

Khusainov Ruslan Fargatovich

Garifullin Rustem Maratovich

Dates

2014-12-27Published

2013-06-17Filed