Method of evaluating fracturing fluid performance in subsurface

Details Method of evaluating fracturing fluid performance in subsurface Method of evaluating fracturing fluid performance in subsurface

1988-06-24

1989-07-18

Novosad, Stephen J.

Wells

Processes

With indicating, testing, measuring or locating

73155, 166308, E21B 4326, E21B 4706, E21B 4900

Patent

active

048484610

ABSTRACT:
The invention provides a method for determining parameters of a formation and of a subsurface fracturing operation in response to the rheology of the fracturing fluid used to fracture the formation. Preferably, the fluid efficiency will be determined from pressure decline data. This established fluid efficiency will then be functionally related with indices representative of the fluid behavior and fluid consistency to determine a dimension of the created fracture. This dimension may then be utilized to determine the fluid loss coefficient of the fracturing fluid in the formation, which may then be utilized in designing a full scale fracturing treatment with provent.

REFERENCES:
patent: 3948325 (1976-04-01), Winston et al.
patent: 4398416 (1983-08-01), Nolte
patent: 4442897 (1984-04-01), Crowell
patent: 4478282 (1984-10-01), Nolte et al.
patent: 4534870 (1985-08-01), Williams
patent: 4749038 (1988-06-01), Shelley

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