Method and apparatus for monitoring and recording of operating conditions of a downhole drill bit during drilling operations |
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| 申请号 | EP05077687.1 | 申请日 | 1996-02-12 | 公开(公告)号 | EP1632643A3 | 公开(公告)日 | 2007-07-25 |
| 申请人 | BAKER HUGHES INCORPORATED; | 发明人 | Zaleski, Theodore E., Jr; Schmidt, Scott R.; | ||||
| 摘要 | The present invention is directed to an improved method and apparatus for monitoring and recording of operating conditions of a downhole drill bit during drilling operations. The invention may be alternatively characterized as either (1) an improved downhole drill bit, or (2) a method of monitoring at least one operating condition of a downhole drill bit during drilling operations in a wellbore, or (3) a method of manufacturing an improved downhole drill bit. When characterized as an improved downhole drill bit, the present invention includes (1) an assembly including at least one bit body, (2) a coupling member formed at an upper portion of the assembly, (3) at least one operating conditioning sensor carried by the improved downhole drill bit for monitoring at least one operating condition during drilling operations, and (4) at least one memory means, located in and carried by the drill bit body, for recording in memory data pertaining to the at least one operating condition. Optionally, the improved downhole drill bit of the present invention may cooperate with a communication system for communicating information away from the improved downhole drill bit during drilling operations, preferably ultimately to a surface location. The improved downhole drill bit of the present invention may further include a processor member, which is located in and carried by the drill bit body, for performing at least one predefined analysis of the data pertaining to the at least one operating condition, which has been recorded by the at least one memory means. | ||||||
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