Gravel packing system

Details Gravel packing system Gravel packing system

1992-08-06

1994-07-26

Neuder, William P.

Wells

Processes

Graveling or filter forming

166 51, 166123, E21B 33124, E21B 4304

Patent

active

053320387

ABSTRACT:
A gravel packing system in which the gravel screen and attached packer are anchorable in a well bore. A cross-over tool has an indicator device which cooperates with the gravel screen to provide surface indications of the downhole tool positions and the operation of a gravel valve. A setting tool can be used with the cross-over tool to set the packer and is releasable by hydraulic pressure. The setting tool and packer are releasably and co-rotatively coupled permitting right hand rotation while going in the well bore. The cross-over tool has a float valve which permits reverse circulation in low pressure wells. The packer has a release system for permitting retrieval of the packer.

REFERENCES:
patent: 3710862 (1973-01-01), Young et al.
patent: 4372384 (1983-02-01), Kinney
patent: 4401158 (1983-08-01), Spencer et al.
patent: 4660637 (1987-04-01), McGill et al.
patent: 4796707 (1989-01-01), Halbardier
patent: 4842057 (1989-06-01), Lubitz
patent: 4858690 (1989-08-01), Rebardi et al.
patent: 4862957 (1989-09-01), Scranton
patent: 4951750 (1990-08-01), Wetzel, Jr.

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