Wellbore guided hydraulic fracturing

Details Wellbore guided hydraulic fracturing Wellbore guided hydraulic fracturing

1993-12-10

1996-01-09

Suchfield, George A.

Wells

Processes

With indicating, testing, measuring or locating

166 50, 166297, 166308, E21B 4326, E21B 4700

Patent

active

054821169

ABSTRACT:
Method of hydraulic fracturing of a subterranean formation comprising drilling a deviated wellbore in a direction parallel to a desired fracture direction, and supplying fracturing fluid through the wellbore to the formation. The average net pressure on the fluid is maximized in a fracture formed in the formation by pumping the fracturing fluid at a maximum rate, and by using a high viscosity fracturing fluid. Maximization of the average net pressure acts to extend the fracture in a direction parallel to the direction of the wellbore. The amount of the extension of the fracture is a function of the ratio of the average net pressure to the horizontal stress difference, whereby the higher the ratio, the greater the amount of the extension.

REFERENCES:
patent: 4635719 (1987-01-01), Zoback et al.
patent: 4687061 (1987-08-01), Uhri
patent: 4724905 (1988-02-01), Uhri
patent: 4974675 (1990-12-01), Austin et al.
patent: 4977961 (1990-12-01), Avasthi
Soliman et al., "Fracturing Aspects of Horizonal Wells", Journal of Petroleum Technology, Aug. 1990, pp. 966-973.

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