发明名称 |
MECHANICAL CALIPER SYSTEM FOR A LOGGING WHILE DRILLING (LWD) BOREHOLE CALIPER |
摘要 |
<p>A logging while drilling (LWD) caliper includes a drill collar, at least one movable pad, a hinge coupler, a power transmitter and a power receiver. The hinge coupler couples the movable pad to the drill collar in such a way that the movable pad can move between an open position and a closed position. The power transmitter is coupled to the drill collar in such a way that the power transmitter receives power from the drill collar. The power receiver is coupled to the movable pad in such a way that the power receiver provides power to the movable pad. Also, the power transmitter is coupled to the drill collar and the power receiver is coupled to the movable pad is such a way that power is transmitted from the power transmitter to the power receiver.</p> |
申请公布号 |
WO2014047537(A1) |
申请公布日期 |
2014.03.27 |
申请号 |
WO2013US61138 |
申请日期 |
2013.09.23 |
申请人 |
SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;SCHLUMBERGER TECHNOLOGY CORPORATION |
发明人 |
CLARK, BRIAN OLIVER |
分类号 |
E21B10/32;E21B47/085;E21B47/13;H02J17/00 |
主分类号 |
E21B10/32 |
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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