Gravel packing and perforating a well in a single trip

Details Gravel packing and perforating a well in a single trip Gravel packing and perforating a well in a single trip

1991-02-11

1992-12-29

Bui, Thuy M.

Wells

Processes

Graveling or filter forming

166 51, 166318, 166126, 166131, E21B 4304

Patent

active

051743795

ABSTRACT:
A new gravel packing system is provided whereby a well may be perforated, gravel packed and placed on production with a single trip of the tool string into the well. The system will include a crossover assembly which has a closure mechanism operatively associated therewith. The closure mechanism may be operated to preclude downward fluid flow through the crossover tool, to establish at least a portion of a downward gravel pack slurry flow path, and to establish at least a part of a carrier fluid return flow path. At the conclusion of a gravel pack operation, the closure member may be either withdrawn from the assembly or expelled to the bottom of the wellbore, leaving the tool to be placed on production without tripping the tool string.

REFERENCES:
patent: 3960366 (1976-06-01), Abney et al.
patent: 4372384 (1983-02-01), Kinney
patent: 4519451 (1985-05-01), Gray et al.
patent: 4540051 (1985-09-01), Schmuck et al.
patent: 4541486 (1985-09-01), Wetzel et al.
patent: 4566538 (1986-01-01), Peterson
patent: 4733723 (1988-03-01), Callegari, Sr.
patent: 4880056 (1989-11-01), Nelson et al.
patent: 4944348 (1990-07-01), Whiteley et al.
patent: 4951750 (1990-08-01), Wetzel
"One-Trip, Multizone Gravel-Packing Technique for Low-Pressure, Shallow Wells", by John B. Welrich, Theodore E. Zaleski, Jr., and Steve L. Tyler, pp. 356-360, SPE Production Engineering, Nov. 1990.

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