WELL COMPLETION METHOD Russian patent published in 2014 - IPC E21B43/02 E21B43/11 

Abstract RU 2533783 C1

FIELD: mining.

SUBSTANCE: method comprises the lowering and cementation of a production casing, with installation of a shoe in a cap base surface, drilling out of cement column with the subsequent forming of borehole in the productive formation interval. In the thick productive formation interval several caverns separated by girts are formed. In the girts before forming of caverns a probe perforation is performed with the location of punched channels along the perimeter in the same plain. Forming of cavity of caverns is performed in a borehole from above downwards from the cap.

EFFECT: well operation with the maximum production rate, with conservation of integrity of mine walls.

3 dwg

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RU 2 533 783 C1

Authors

Shilov Sergej Viktorovich

Epishov Anatolij Pavlovich

Grishin Dmitrij Valer'Evich

Golod Garri Savel'Evich

Mashkov Viktor Alekseevich

Dates

2014-11-20Published

2013-08-01Filed