Sequential hydraulic fracturing

Details Sequential hydraulic fracturing Sequential hydraulic fracturing

1986-09-15

1988-02-16

Suchfield, George A.

Wells

Processes

With indicating, testing, measuring or locating

166263, 166308, E21B 4326, E21B 4900

Patent

active

047249056

ABSTRACT:
A process for sequential hydraulic fracturing of a hydrocarbon fluid-bearing formation. A fracture is induced in said 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 said formation.

REFERENCES:
patent: 3822747 (1974-07-01), Maquite, Jr.
patent: 3933205 (1976-01-01), Kiel
patent: 4005750 (1977-02-01), Shuck
patent: 4067389 (1978-01-01), Savins
patent: 4378845 (1983-04-01), Medlin et al.

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