发明名称 |
WELLBORE TOOL REAMER ASSEMBLY |
摘要 |
A wellbore reamer assembly positionable on a drill string in a wellbore includes a reamer body having an internal cavity and multiple radial openings, multiple cutting structures each positioned in one of the radial openings in the reamer body, and a fluid-activated expandable support element positioned in the internal cavity of the reamer body adjacent the cutting structures. The cutting structures are extendable radially away from a central longitudinal axis of the reamer body through respective radial openings and retractable toward the central longitudinal axis of the reamer body. |
申请公布号 |
WO2016108837(A1) |
申请公布日期 |
2016.07.07 |
申请号 |
WO2014US72731 |
申请日期 |
2014.12.30 |
申请人 |
HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
MAGEREN, OLIVIER;FANUEL, PHILIPPE |
分类号 |
E21B7/28;E21B10/26 |
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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