Sealing system for a well bore in which a hot fluid is circulated
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United States of America Patent
Stats
-
Apr 30, 1985
Issued Date -
N/A
app pub date -
Aug 30, 1984
filing date -
Jan 8, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sealing system for a tubing string in a well bore which is capable of undergoing deformation under the action of a hot fluid and has at least one casing string in which the tubing is housed, a connecting and sealing assembly placed between the casing and the tubing as well as members for supporting and securing the casing and tubing strings comprises in addition, a hollow seal support, the upper end of which is rigidly fixed and the lower end of which is free to permit displacement of the upper portion of the tubing string with respect to the seal support with the lower portion of the tubing string rigidly fixed to the connecting and sealing assembly located near the bottom of the well bore.
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