Method for lining a casing
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United States of America Patent
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Oct 3, 1995
Grant Date -
N/A
app pub date -
Sep 19, 1994
filing date -
Sep 19, 1994
priority date (Note) -
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status (Latency Note)
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Abstract
A method of lining a casing affixed in a well bore for repairing breaches in the casing with a continuous string of tubular polymeric material is provided. The tubular polymeric material has an outer diameter greater than the inner diameter of the casing. The outer diameter of the tubular polymeric material is reduced and such reduced material is injected into casing such that the polyethylene pipe remains in a reduced state until the polyethylene pipe is run to a preselected depth. After the polyethylene pipe is run to the desired depth, the reduced pipe is allowed to rebound thereby forming a fluid tight seal with the casing and effectively sealing any breaches in the casing.
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