发明名称 |
RELEASE TOOL FOR COILED TUBING |
摘要 |
A bottom hole assembly for use with fracturing or fracing a wellbore using coiled tubing is described having a first packing element and a second packing element on a mandrel. The bottom hole assembly may be run into the wellbore such that the packing elements straddle the zone to be fraced. Also described is a timing mechanism to prevent the closing of dump ports before the bottom hole assembly may be flushed of the sand. A release tool is described that allows an operator to apply combination of force for a given amount of time to the coiled tubing to dislodge a bottom hole assembly without completely releasing the bottom hole assembly. Also disclosed is a collar locator capable of being utilized in a fracing process. Methods of using the above-described components are also disclosed.
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申请公布号 |
CA2509468(C) |
申请公布日期 |
2008.10.07 |
申请号 |
CA20052509468 |
申请日期 |
2005.06.08 |
申请人 |
BJ SERVICES COMPANY |
发明人 |
LAMBERT, MITCH;VACIK, LUBOS;NAUMANN, ANDRE;RAVENSBERGEN, JOHN EDWARD;WILDE, GRAHAM |
分类号 |
E21B23/00;E21B19/22;E21B31/00 |
主分类号 |
E21B23/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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