METHOD FOR FORMATION OF CRACKS OR FRACTURES Russian patent published in 2017 - IPC E21B43/26 E21B47/14 G01V1/00

Abstract RU 2637539 C1

FIELD: oil and gas industry.

SUBSTANCE: method of formation of cracks or fractures includes determination of directions of regional maximum stresses of pay rocks, movement directions of main volumes of injected water and filtration flows, determination of sections with high residual oil saturation, two-stage hydraulic fracturing of formation with changing of direction of crack fractures in wells which are in the zones with high residual oil saturation or close proximity.

EFFECT: increased efficiency of the method for forming cracks and fractures.

4 cl, 5 dwg

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RU 2 637 539 C1

Authors

Valeev Azamat Salavatovich

Salimov Farid Sagitovich

Dates

2017-12-05—Published

2016-08-31—Filed