Sequential hydraulic fracturing

Details Sequential hydraulic fracturing Sequential hydraulic fracturing

E - Fixed Constructions

21

B

166/21

E21B 43/26 (2006.01) E21B 43/17 (2006.01) E21B 47/02 (2006.01) E21B 49/00 (2006.01) G09B 23/40 (2006.01) G09B 25/02 (2006.01)

Patent

CA 1281278

SEQUENTIAL HYDRAULIC FRACTURING ABSTRACT A process for sequential hydraulic fracturing of a hydrocarbon fluid-bearing formation. A fracture is induced in the formation by hydraulically fracturing via one wellbore. Thereafter, while the formation remains pressurized from the first induced-fracture operation, a second hydraulic fracturing operation is conducted via another wellbore substantially within the pressurized formation area of the first fracturing operation which causes a fracture trajectory to form contrary to the far-field in-situ stresses. This second hydraulic fracture will tend to curve away from the first hydraulic fracture and has the potential of intersecting natural hydrocarbon fluid-bearing fractures in the formation.

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