Latch profile installation in existing casing

Details Latch profile installation in existing casing Latch profile installation in existing casing

2005-06-21

2005-06-21

Tsay, Frank (Department: 3672)

Wells

Processes

Placing or shifting well part

C166S387000, C166S117700, C166S207000

Reexamination Certificate

active

06907935

ABSTRACT:
A method of installing an internal latch profile in an existing tubular string does not require the use of a packer. In a described embodiment, a method of latch installation includes the step of deforming an interior surface of the tubular string after the tubular string is positioned in a well. In another described embodiment, a method of latch installation includes the step of cutting into the interior surface of the tubular string.

REFERENCES:
patent: 5044441 (1991-09-01), Rubbo et al.
patent: 5579829 (1996-12-01), Comeau et al.
patent: 5620052 (1997-04-01), Turner
patent: 5865255 (1999-02-01), Hammett et al.
patent: 6003607 (1999-12-01), Hagen et al.
patent: 6053248 (2000-04-01), Ross
patent: 6125937 (2000-10-01), Longbottom et al.
patent: 6135208 (2000-10-01), Gano et al.
patent: 2345308 (2000-07-01), None
patent: 2368862 (2002-05-01), None
patent: WO 00/61908 (2000-10-01), None
Sperry-Sun Multilateral Services Profile, “Sperry-Sun Latch Coupling”, dated 2000.

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