发明名称 |
Perforating and jet drilling method and apparatus |
摘要 |
A tool body on tubing directs a mechanical cutter or jet bit to the casing. A hole is cut in casing and a rotary detent mechanism may be used to drill additional holes through casing and enable alignment of a jet bit with the holes for drilling drainholes without removing apparatus from the well. Disposable nozzles in a guide channel or nozzles on the tool body may be used for drilling through casing. |
申请公布号 |
US8267198(B2) |
申请公布日期 |
2012.09.18 |
申请号 |
US201113237292 |
申请日期 |
2011.09.20 |
申请人 |
BUCKMAN, SR. WILLIAM G.;MAURER WILLIAM C.;PEARL ZACHARY D.;BUCKMAN JET DRILLING |
发明人 |
BUCKMAN, SR. WILLIAM G.;MAURER WILLIAM C.;PEARL ZACHARY D. |
分类号 |
E21B7/08 |
主分类号 |
E21B7/08 |
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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