E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 29/00 (2006.01) E21B 29/10 (2006.01) E21B 43/10 (2006.01)
Patent
CA 2471053
There are disclosed methods and apparatus for expanding tubing downhole. In one embodiment, there is disclosed a method of expanding downhole tubing such as a liner (10), the method comprising the steps of locating the liner (10) in a borehole (12), expanding a part (16) of the liner (10) in the borehole (12), locating an expansion device such as an expandable cone (18) in said expanded part (16) of the liner (10), and translating the cone (18) relative to the liner (10) to expand a further part (20) of the liner (10).
Duggan Andrew Michael
Harrall Simon John
Hillis David John
Metcalfe Paul David
Rudd Wayne
Marks & Clerk
Weatherford/lamb Inc.
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