Method and device for casing a well with a composite pipe

Details Method and device for casing a well with a composite pipe Method and device for casing a well with a composite pipe

1996-06-12

1998-08-04

Neuder, William P.

Wells

Processes

Repairing object in well

166207, E21B 2300

Patent

active

057879842

ABSTRACT:
The present invention relates to a method for casing a well (1) from a tubular preform (2) lowered into a well in folded state. The preform comprises seal means (3, 4) at both ends so that it can be inflated in order to take on a second, unfolded state in which the preform is polymerized.
Means (30) for disconnecting lower seal means (3) in order to take the latter up to the surface in a receptacle (11) are inserted into the casing.
The invention also relates to a casing device comprising disconnecting means (30) and a receptacle (11) for the lower seal means (3).
FIG. 1 to be published.

REFERENCES:
patent: 1358818 (1920-11-01), Bering
patent: 2812025 (1957-11-01), Teague et al.
patent: 2991834 (1961-07-01), Kennard
patent: 3104703 (1963-09-01), Rike et al.
patent: 3358769 (1967-12-01), Berry
patent: 3419080 (1968-12-01), Lebourg
patent: 3477506 (1969-11-01), Malone
patent: 5031699 (1991-07-01), Artunov et al.
patent: 5366012 (1994-11-01), Lohbeck

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