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Controllable magneto-rheological fluid-based dampers for drilling
Controllable magneto-rheological fluid-based dampers for drilling
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机译:可控的基于磁流变液的减震器,用于钻井
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摘要
A damping apparatus and method for a drillstring comprising a bit comprising providing to the drillstring a damping mechanism comprising magnetorheological fluid and generating an electromagnetic field affecting the magnetorheological fluid in response to changing ambient conditions encountered by the bit.
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