| 摘要 |
A method of providing a liner which can be rolled up on a reel for convenient transport and which can be unrolled into the bore of an oil or gas well and expanded to the approximate bore size of the casing size which the liner was run through and is collapsed in a way which allows sealing and stripping with a blowout preventer for well control protection during running and providing smooth surface support wedging without the need for marking the pipe with slip teeth.
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