发明名称 |
APPARATUS AND METHODS FOR ISOLATING A WELLBORE JUNCTION |
摘要 |
A wellbore junction isolation method and associated apparatus provide convenient isolation of a wellbore junction while permitting certain operations to be performed in a main or branch wellbore below the junction. In described embodiments, formations intersected by a main or branch wellbore below a wellbore junction may be stimulated by fracturing after installing an assembly at the wellbore junction, in a straddling and sealing relationship therewith, to isolate it from pressures applied during the fracturing operation. The illustrated isolation assembly may be installed in a single trip into the main wellbore.
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申请公布号 |
CA2424395(C) |
申请公布日期 |
2008.10.07 |
申请号 |
CA20032424395 |
申请日期 |
2003.04.03 |
申请人 |
HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
HESS, JOSEPH E.;SMITH, BENJI |
分类号 |
E21B41/00;E21B7/08;E21B17/08;E21B43/26 |
主分类号 |
E21B41/00 |
代理机构 |
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