Wellhead isolation tool

Details Wellhead isolation tool Wellhead isolation tool

2005-07-26

2005-07-26

Bagnell, David (Department: 3672)

Wells

Above ground apparatus

Well caps or casing heads

C166S075140, C166S096100, C166S093100, C166S379000

Reexamination Certificate

active

06920925

ABSTRACT:
A wellhead isolation tool and a wellhead assembly incorporating such a tool are provided. The wellhead assembly has an annular assembly coupled to a well. The annular assembly may include a casing head coupled to the well and a tubing head mounted over the casing head. The wellhead isolation tool is suspended in the annular assembly. The wellhead isolation tool has a first end portion extending above the annular assembly and a second end portion below the first end portion within the annular assembly. A production casing suspended in the annular assembly and is aligned with the wellhead isolation tool.

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Cooper-Cameron 2002-2003 General Catalog, Mar. 2002, see Surface Systems Section.
GUARDIAN, Casing & Tree Savers, 2000, 7 pages.

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