| 发明名称 |
Apparatus and method for isolating a section of tubing |
| 摘要 |
A method of isolating a section of downhole tubing comprises: running a length of expandable tubing (20) into a tubing-lined borehole (12, 14) and positioning the expandable tubing (20) across a section of tubing to be isolated; deforming at least portions of the expandable tubing (36, 40) to increase the diameter of the portions to sealingly engage the tubing (14) and to isolate the tubing section.
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| 申请公布号 |
US6527049(B2) |
申请公布日期 |
2003.03.04 |
| 申请号 |
US19990469681 |
申请日期 |
1999.12.22 |
| 申请人 |
WEATHERFORD/LAMB, INC. |
发明人 |
METCALFE PAUL DAVID;SIMPSON NEIL ANDREW ABERCROMBIE |
| 分类号 |
B21D17/04;B21D39/04;B21D39/10;B21D41/02;E21B7/00;E21B7/20;E21B19/16;E21B23/00;E21B23/02;E21B23/04;E21B29/00;E21B29/10;E21B33/10;E21B33/13;E21B33/138;E21B33/16;E21B43/08;E21B43/10;(IPC1-7):E21B23/00 |
主分类号 |
B21D17/04 |
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