发明名称 |
System and method for one-trip hole enlargement operations |
摘要 |
A drilling assembly for simultaneous hole enlargement operations comprises a drill bit, an adjustable diameter reamer, and a hole opener. The reamer is coupled with, and positioned uphole from the drill bit. The reamer is adjustable between a first diameter and a second diameter that is larger than the first diameter. The hole opener is coupled with, and positioned uphole from the reamer. |
申请公布号 |
AU2009231923(B2) |
申请公布日期 |
2015.02.19 |
申请号 |
AU20090231923 |
申请日期 |
2009.03.27 |
申请人 |
HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
MANCINI, STEFANO;SERVAES, LUK |
分类号 |
E21B7/28 |
主分类号 |
E21B7/28 |
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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