发明名称 |
MAGNETIC SENSOR ROTATION AND ORIENTATION ABOUT DRILL |
摘要 |
A drilling system, comprising a drill string; and a ranging tool mounted on the drill string, the ranging tool comprising a magnetic sensor pair comprising a first magnetic sensor and a second magnetic sensor mounted radially opposite one another on the ranging tool, wherein each of the magnetic sensors is structured and configured to detect at least a radial component and a tangential component of a magnetic field; a rotatable assembly, comprising a motor structured and arranged to actuate rotation of the magnetic sensor pair around the drill string; and an electronics package connected to at least one of the magnetic sensor pair, and the motor, wherein the electronics package comprises a controller and a wireless telemetry device. |
申请公布号 |
WO2016108865(A1) |
申请公布日期 |
2016.07.07 |
申请号 |
WO2014US72920 |
申请日期 |
2014.12.31 |
申请人 |
HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
GRIFFING, MATTHEW, CHASE;LI, WENQUAN;HENSARLING, JESSE, KEVIN;FARRAH, JOHN, HARRISON |
分类号 |
E21B47/09;E21B47/02;G01V1/40;G01V1/50 |
主分类号 |
E21B47/09 |
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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