Method for repair of damaged wells

Details Method for repair of damaged wells Method for repair of damaged wells

2007-11-27

2009-10-27

Gay, Jennifer H (Department: 3676)

Wells

Processes

Repairing object in well

C166S344000

Reexamination Certificate

active

07607480

ABSTRACT:
A method for repairing damaged wells, especially in marine environments utilizing an alignment apparatus having a substantially cylindrical body member, a lower spear extension and a plurality of blades extending radially outward from the body member and spear extension. The alignment apparatus is concentrically inserted into the upper opening of a damaged well having a substantially vertical orientation. The alignment apparatus serves as an alignment guide for larger diameter pipe to be installed (typically driven) around a portion of the well to provide structural integrity to the well, as well as to serve as a conduit into the well for subsequent operations.

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