Rate control method for hydraulic fracturing

Details Rate control method for hydraulic fracturing Rate control method for hydraulic fracturing

1990-07-13

1991-10-08

Novosad, Stephen J.

Wells

Processes

Specific propping feature

166308, E21B 43267

Patent

active

050545540

ABSTRACT:
Hydraulic fracturing of earth formations from wells for producing gas or hydrocarbon liquids is carried out by extending the fracture to a predetermined length with clean or low proppant concentration fluids, then decreasing the rate of injection with low proppant concentration fluids to equal the fluid leakoff rate until the fracture tip is blocked or screened out. Alternatively, the proppant concentration could be progressively increased until tip screenout occurs. Injection rates are then increased, particularly in high permeability formations, to increase the fracture width.

REFERENCES:
patent: 3126056 (1964-03-01), Harrell
patent: 3127937 (1964-04-01), McGuire et al.
patent: 3151678 (1964-10-01), Hanson et al.
patent: 3155159 (1964-11-01), McGuire, Jr. et al.
patent: 3323594 (1967-06-01), Huitt et al.
patent: 3664420 (1972-05-01), Graham et al.
patent: 4245702 (1981-01-01), Haafkens et al.
patent: 4378845 (1983-04-01), Medlin et al.
Martins, J. P. et al., "Tip Screen-Out Fracturing Applied to the Ravenspurn South Gas Field Development", SPE Paper #19766, Society of Petroleum Engineers, Oct. 8-11, 1989, pp. 595-609.

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