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US 6,446,724 B2Granted
Hanging liners by pipe expansion
AssigneeBaker Hughes Incorporated
InventorsJohn L. Baugh, Rod Bennett, George Givens
Life of this patent
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Abstract
A method for securing and sealing one tubular to another downhole facilitates cementing prior to sealing and allows for suspension of one tubular in the other by virtue of pipe expansion techniques.
Claims6
A method of completing a well, comprising:
- running a tubular string into a cased borehole;
- expanding portions of said tubular string into contact with the casing for support thereof;
- leaving gaps between said tubular string and said casing, with said tubular string supported to said casing;
- using said gaps for passage of a sealing material;
- closing said gaps.
2 more elements
Dependencies are inferred from the claim text.