Method and apparatus for sealing the juncture between a vertical

Details Method and apparatus for sealing the juncture between a vertical Method and apparatus for sealing the juncture between a vertical

1993-10-08

1995-02-14

Britts, Ramon S.

Wells

Processes

Assembling well part

166382, 166 50, 1661175, E21B 1916, E21B 3313

Patent

active

053886488

ABSTRACT:
In accordance with the present invention, a plurality of methods and devices are provided for solving important and serious problems posed by lateral (and especially multilateral) completion in a wellbore including methods and devices for sealing the junction between a vertical and lateral well. Methods are disclosed wherein deformable devices are utilized to selectively seal the juncture between the vertical and lateral wells. Such deformable devices may comprise (1) an inflatable mold which utilizes a hardenable liquid (e.g., epoxy or cementious slurry) to form the seal; (2) expandable memory metal devices; and (3) swaging devices for plastically deforming a sealing material.

REFERENCES:
patent: 2271005 (1942-01-01), Grebe
patent: 2452920 (1948-11-01), Gilbert
patent: 3054455 (1962-09-01), Keltner
patent: 3301329 (1967-01-01), Martin
patent: 4402551 (1983-09-01), Wood et al.
patent: 4807704 (1989-02-01), Hsu et al.
patent: 4919203 (1990-04-01), Fitzgibbon, Jr.
patent: 4928763 (1990-05-01), Falk
patent: 5197543 (1993-03-01), Coulter

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