Strokable liner hanger and method
First Claim
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1. A strokable liner hanger arrangement comprising:
- a liner hanger;
one of a slide seal and a casing seal sub disposed as a part of the liner hanger;
the other of the slide seal and the casing seal sub disposed adjacent the one of the slide seal and the casing seal sub; and
,a slip disposed on the casing seal sub;
wherein the casing seal sub is fixed to the liner hanger in a first condition, and released from the liner hanger in a second condition, and the liner hanger is strokable with respect to the casing seal sub in the second condition in response to thermal expansion of a liner supported by the liner hanger.
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Abstract
A strokable liner hanger includes a liner hanger; one of a slide seal and a casing seal sub disposed adjacent the liner hanger and the other of the slide seal and the casing seal sub disposed adjacent the one of the slide seal and the casing seal sub. A method for completing a wellbore is included.
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Citations
15 Claims
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1. A strokable liner hanger arrangement comprising:
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a liner hanger; one of a slide seal and a casing seal sub disposed as a part of the liner hanger; the other of the slide seal and the casing seal sub disposed adjacent the one of the slide seal and the casing seal sub; and
,a slip disposed on the casing seal sub; wherein the casing seal sub is fixed to the liner hanger in a first condition, and released from the liner hanger in a second condition, and the liner hanger is strokable with respect to the casing seal sub in the second condition in response to thermal expansion of a liner supported by the liner hanger. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method for completing a wellbore with a strokable liner hanger arrangement comprising:
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running a liner hanger having one of a slide seal and a casing seal sub disposed as a part of the liner hanger, the other of the slide seal and the casing seal sub disposed adjacent the one of the slide seal and the casing seal sub to a target depth in a casing or open hole while the casing seal sub is mounted to the liner hanger; engaging the liner hanger with the casing or open hole by setting the casing seal sub against the casing or open hole and forming a pressure tight connection with the casing or open hole with a fixed seal that is outwardly adjacent the casing seal sub; and
,releasing the casing seal sub from the liner hanger, allowing the liner hanger to move relative to the casing seal sub while set against the casing or open hole by the fixed seal. - View Dependent Claims (13, 14, 15)
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Specification