发明名称 |
Method and apparatus for monitoring and recording of the operating condition of a downhole drill bit during drilling operations |
摘要 |
A drill bit for use in drilling operations in a wellbore, the drill bit having a bit body including a plurality of bit legs, each supporting a rolling cone cutter; a coupling member formed at an upper portion of said bit body; at least one temperature sensor for monitoring at least one temperature condition of said improved drill bit during drilling operations; and at least one temperature sensor cavity formed in said bit body and adapted for receiving, carrying, and locating said at least one temperature sensor in a particular position relative to said bit body which is empirically determined to optimize temperature sensor discrimination.
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申请公布号 |
US6230822(B1) |
申请公布日期 |
2001.05.15 |
申请号 |
US19980012803 |
申请日期 |
1998.01.23 |
申请人 |
BAKER HUGHES INCORPORATED |
发明人 |
SULLIVAN ERIC CHARLES;ZALESKI, JR. THEODORE EDWARD;SCHMIDT SCOTT RAY;NGUYEN DON QUY;ZADRAPA GLENN R.;LIN CHIH |
分类号 |
E21B10/08;E21B10/22;E21B12/02;E21B47/01;E21B47/06;E21B47/12;(IPC1-7):E21B10/22 |
主分类号 |
E21B10/08 |
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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