Method of gravel packing a well

Details Method of gravel packing a well Method of gravel packing a well

1990-06-28

1991-07-02

Suchfield, George A.

Wells

Processes

Graveling or filter forming

166280, 166297, E21B 4304, E21B 43267

Patent

active

050278991

ABSTRACT:
A well, penetrating a subterranean fluid-producing formation, is effectively gravel packed by a method comprising two sequential steps. In the first step, a slurry of gravel and carrier fluid is introduced into the formation at a pressure substantially in excess of the formation fracture pressure. In the second step, a slurry of gravel and carrier fluid is introduced into the formation at a pressure below the formation fracture pressure. Wells so treated exhibit enchanced rates of production for longer periods of time than would be obtained with conventional gravel packing.

REFERENCES:
patent: 2167190 (1939-07-01), Vietti
patent: 2356769 (1944-08-01), Layne
patent: 2814347 (1957-11-01), MacKnight
patent: 2955653 (1960-10-01), Cain
patent: 3710862 (1973-01-01), Young et al.
patent: 4378845 (1983-04-01), Medlin et al.
patent: 4549608 (1985-10-01), Stowe et al.
patent: 4645005 (1987-02-01), Ferguson
patent: 4685519 (1987-08-01), Stowe et al.
patent: 4817717 (1989-04-01), Jennings, Jr. et al.

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