Methods of and apparatus for casing a borehole

Details Methods of and apparatus for casing a borehole Methods of and apparatus for casing a borehole

2007-02-20

2007-02-20

Thompson, Kenneth (Department: 3672)

Wells

Processes

Assembling well part

C166S242400, C166S242600, C166S207000, C175S171000

Reexamination Certificate

active

10482589

ABSTRACT:
Methods of and apparatus for drilling, casing and/or completing a borehole wherein one or more portions of the borehole are drilled into a formation at a single diameter along the entire length or depth of the or each portion of the borehole. An expandable tubular member is then located within the or each portion of the borehole and radially expanded in the or each portion to line and/or case it or them. Optionally, a corrosion resistant member and/or a service string can be located in the borehole. An advantage of certain embodiments is that a single diameter borehole is formed along the entire length or depth thereof.

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