Measuring and testing – Borehole or drilling – Downhole test
Patent
1994-03-25
1996-03-12
Williams, Hezron E.
Measuring and testing
Borehole or drilling
Downhole test
16625001, 166308, E21B 4900, E21B 4326
Patent
active
054976588
ABSTRACT:
A method for determining the minimum length for a fracture in a fluid-producing formation to control the production of sand therefrom wherein a plurality of critical drawdown pressures are calculated from known formation data which correspond to a plurality of different, estimated respective fracture lengths. Once the critical drawdown pressures for the reservoir are correlated with their corresponding fracture lengths, a critical drawdown curve for that particular reservoir is established. Additional sets of curves are generated from known data which when overlaid with the critical drawdown pressure curve allows a minimum length of fracture to be selected which will produce the formation at a given rate at a prescribed drawdown pressure without producing any substantial amounts of sand from the formation.
REFERENCES:
patent: 4442710 (1984-04-01), Meng
patent: 4828028 (1989-05-01), Soliman
patent: 5005643 (1991-04-01), Soliman et al.
patent: 5183109 (1993-02-01), Poulsen
patent: 5275041 (1994-01-01), Poulsen
patent: 5318123 (1994-06-01), Venditto et al.
patent: 5360066 (1994-11-01), Venditto et al.
Fletcher Paul A.
Montgomery Carl T.
Ramos Gangerico G.
Atlantic Richfield Company
Brock Michael J.
Scott F. Lindsey
Williams Hezron E.
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