Lateral seal and control system

Details Lateral seal and control system Lateral seal and control system

1996-09-04

1998-08-04

Suchfield, George A.

Wells

Processes

Parallel string or multiple completion well

166 50, 1661176, 166382, 175 61, F21B 704, F21B 2906, F21B 4314

Patent

active

057879877

ABSTRACT:
A downhole multilateral completion tool is disclosed which includes a premachined window joint and a production tube adapted to be moved downhole through the window joint and kicked off into the pre-drilled lateral. A flange and seal form a part of the uphole end of the production tube and provide a 3500 psi seal after the production tube is placed in the lateral. The invention, moreover, includes an energizing sleeve which biases the flange into a sealed position and a packer which by pulling the production tube, enhances the seal of the flange.

REFERENCES:
patent: 2397070 (1946-03-01), Zublin
patent: 3842912 (1974-10-01), Lindsey, Jr.
patent: 5388648 (1995-02-01), Jordan, Jr.
patent: 5477925 (1995-12-01), Trahan et al.
patent: 5564503 (1996-10-01), Longbottom et al.

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