Method for lining a casing

Details Method for lining a casing Method for lining a casing

1994-09-19

1995-10-03

Buiz, Michael Powell

Wells

Processes

Repairing object in well

166 772, E21B 3300

Patent

active

054544190

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.

REFERENCES:
patent: 4441561 (1984-04-01), Garmong
patent: 4673035 (1987-06-01), Gipson
patent: 4971152 (1990-11-01), Koster et al.
patent: 5348096 (1994-09-01), Williams
Article from "World Oil's Coiled Tubing Handbook", 1993; Part 1--The evolution of coiled tubing equipment.
Article from "World Oil's Coiled Tubing Handbook", 1991; Part 2--Workover safety.
Article from "World Oil's Coiled Tubing Handbook", 1993; Part 3--Tube Technology and capabilities.
Article from "World Oil's Coiled Tubing Handbook", 1993; Part 9--Fishing.

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