Deformable member

Details Deformable member Deformable member

2006-11-14

2006-11-14

Tsay, Frank S. (Department: 3672)

Wells

Processes

Placing or shifting well part

C166S313000, C166S052000

Reexamination Certificate

active

07134506

ABSTRACT:
A deformable member can be used in a well tool for use in downhole oil/gas wells. In one embodiment, a deformable member (46) is described which is deformable between undeformed and deformed positions, and comprises a generally hollow cylindrical body (48) defining a wall (50). The wall (50) includes three circumferential lines of weakness in the form of grooves, with two grooves (52, 54) provided in an outer surface (56) of the member wall (50), and the other groove (58) provided in an inner surface (60). The member (46) is deformed outwardly by folding about the lines of weakness (52, 54, 56) and is used in particular to obtain sealing contact with a tube in which the member (46) is located.

REFERENCES:
patent: 2683928 (1954-07-01), Carson
patent: 4482086 (1984-11-01), Wagner et al.
patent: 5211226 (1993-05-01), Hendrickson et al.
patent: 5988276 (1999-11-01), Oneal
patent: 6032958 (2000-03-01), Fowler
patent: 6425444 (2002-07-01), Metcalfe et al.
patent: 6431282 (2002-08-01), Bosma et al.
patent: 6530574 (2003-03-01), Bailey et al.
patent: 87026 (1895-01-01), None
patent: 0 029 380 (1981-05-01), None

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