发明名称 |
Forstørrelses- og stabiliserings-verktøy for bruk i et borehull og fremgangsmåte for iverksettelse av dette. |
摘要 |
Provided is a drilling tool that includes a tubular body defining a longitudinal axial cavity extending therethrough. The tubular body also defines at least one radial guidance channel extending radially from the axial cavity through the tubular body. A cutter element is disposed in the at least one radial guidance channel and includes an internal surface inclined at an angle to a longitudinal axis of the tubular body. The drilling tool also includes a wedge element having an external surface configured to engage the internal surface of the cutter element and to direct the cutter element from a retracted position to an extended position as the wedge element moves from a first position to a second position. |
申请公布号 |
NO334422(B1) |
申请公布日期 |
2014.03.03 |
申请号 |
NO20060005362 |
申请日期 |
2006.11.21 |
申请人 |
HALLIBURTON ENERGY SERVICES INC |
发明人 |
LASSOIE JEAN-PIERRE;FANUEL PHILIPPE |
分类号 |
E21B10/26;E21B7/00;E21B7/28;E21B10/32 |
主分类号 |
E21B10/26 |
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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