Method and device for establishing an underground well

Details Method and device for establishing an underground well Method and device for establishing an underground well

2011-01-04

2011-01-04

Gay, Jennifer H (Department: 3676)

Wells

Processes

Repairing object in well

C166S207000, C166S380000, C175S171000

Reexamination Certificate

active

07861779

ABSTRACT:
A method and a device for establishing an underground borehole (10) and setting a casing (6) in the borehole (10), wherein the running tool (1) including a drilling tool (14), an expandable casing (6), an expansion tool (32) and a packer (30) which is arranged to seal against the wall of the borehole (10), is placed at the bottom of the borehole (10), whereupon the borehole (10) is drilled to the necessary length in order then to set the expandable casing (6), and in subsequent operations the casing is reinforced and a completion string is run, having built-in cables for downhole control and monitoring.

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Written Opinion, Jul. 21, 2005.

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