Flexible gravel prepack production system for wells having high

Details Flexible gravel prepack production system for wells having high Flexible gravel prepack production system for wells having high

1990-10-02

1992-01-28

Melius, Terry L.

Wells

Processes

Graveling or filter forming

166 51, 166235, E21B 4304

Patent

active

050836145

ABSTRACT:
A gravel prepack production system characterized by a flexible gravel prepack comprising an inner tube and a plurality of discrete annular filter elements carried on the inner tube and longitudinally spaced therealong by spacers. The tube is free to flex at the segments thereof intermediate the relatively rigid filter elements to enable the gravel prepack to traverse even severe doglegs in the well. The filter elements and spacers may be strung onto the inner tube at the production site to configure the gravel prepack to the particular application as by selecting a desired spacing between the filter elements.

REFERENCES:
patent: 1594788 (1926-08-01), McLaughlin et al.
patent: 2335558 (1943-11-01), Young
patent: 2681111 (1954-06-01), Thompson
patent: 2696264 (1954-12-01), Colmerauer et al.
patent: 2804926 (1957-09-01), Zublin
patent: 2872984 (1959-02-01), Fether
patent: 2942668 (1960-06-01), Maly et al.
patent: 3106526 (1963-10-01), Schmidt

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