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    • 2. 发明申请
    • METHOD OF MONITORING WEAR OF ROCK BIT CUTTERS
    • 岩石切割机磨损监测方法
    • US20110283839A1
    • 2011-11-24
    • US13188284
    • 2011-07-21
    • Sorin G. TeodorescuTerry Hunt
    • Sorin G. TeodorescuTerry Hunt
    • B21K5/04
    • E21B12/02
    • A method of monitoring the wear of drill bits for drilling wells in earth formations, several embodiments of an improved drill bit for drilling a well in an earth formation, and methods of manufacture. In one embodiment, the bit is assembled by forming the bit, including a bit body and a plurality of cutting components; introducing a wear detector into the bit; and providing a module to monitor the wear detector and generate an indication of bit wear. The wear detector may be a witness material that may change a characteristic of at least a portion of the bit. The module may detect when the witness material is separated from the bit. The wear detector may be introduced during or after formation of the bit. The bit wear may be displayed for an operator.
    • 监测地层钻井钻头磨损的方法,用于在地层中钻井的改进钻头的几个实施例,以及制造方法。 在一个实施例中,通过形成钻头来组装钻头,包括钻头体和多个切割部件; 将磨损检测器引入钻头; 并提供一个模块来监测磨损检测器并产生钻头磨损的指示。 磨损检测器可以是可以改变钻头的至少一部分的特性的见证材料。 模块可以检测证人材料与钻头分离的时间。 可以在钻头形成期间或之后引入磨损检测器。 钻头磨损可能会显示给操作员。
    • 9. 发明申请
    • REAL TIME DULL GRADING
    • 实时DULL GRADING
    • US20100139987A1
    • 2010-06-10
    • US12332107
    • 2008-12-10
    • Terry HUNTSorin G. Teodorescu
    • Terry HUNTSorin G. Teodorescu
    • E21B10/00
    • E21B12/02E21B10/00
    • A method of monitoring the wear of drill bits for drilling wells in earth formations, several embodiments of an improved drill bit for drilling a well in an earth formation, and methods of manufacture. In one embodiment, the bit is assembled by forming the bit, including a bit body and a plurality of cutting components; introducing a wear detector into the bit; and providing a module to monitor the wear detector and generate an indication of bit wear. The wear detector may be one or more electrical circuits that may experience a change in resistance or conductivity due to wear of the bit. The module may determine wear by detecting an open circuit. The wear detector may be introduced during or after formation of the bit. The bit wear may be displayed for an operator.
    • 监测地层钻井钻头磨损的方法,用于在地层中钻井的改进钻头的几个实施例,以及制造方法。 在一个实施例中,通过形成钻头来组装钻头,包括钻头体和多个切割部件; 将磨损检测器引入钻头; 并提供一个模块来监测磨损检测器并产生钻头磨损的指示。 磨损检测器可以是由于钻头的磨损而可能经历电阻或导电性的变化的一个或多个电路。 模块可以通过检测开路来确定磨损。 可以在钻头形成期间或之后引入磨损检测器。 钻头磨损可能会显示给操作员。
    • 10. 发明申请
    • METHOD OF MONITORING WEAR OF ROCK BIT CUTTERS
    • 岩石切割机磨损监测方法
    • US20100139975A1
    • 2010-06-10
    • US12327925
    • 2008-12-04
    • Sorin G. TEODORESCUTerry HUNT
    • Sorin G. TEODORESCUTerry HUNT
    • E21B12/02B21K5/04
    • E21B12/02
    • A method of monitoring the wear of drill bits for drilling wells in earth formations, several embodiments of an improved drill bit for drilling a well in an earth formation, and methods of manufacture. In one embodiment, the bit is assembled by forming the bit, including a bit body and a plurality of cutting components; introducing a wear detector into the bit; and providing a module to monitor the wear detector and generate an indication of bit wear. The wear detector may be a witness material that may change a characteristic of at least a portion of the bit. The module may detect when the witness material is separated from the bit. The wear detector may be introduced during or after formation of the bit. The bit wear may be displayed for an operator.
    • 监测地层钻井钻头磨损的方法,用于在地层中钻井的改进钻头的几个实施例,以及制造方法。 在一个实施例中,通过形成钻头来组装钻头,包括钻头体和多个切割部件; 将磨损检测器引入钻头; 并提供一个模块来监测磨损检测器并产生钻头磨损的指示。 磨损检测器可以是可以改变钻头的至少一部分的特性的见证材料。 模块可以检测证人材料与钻头分离的时间。 可以在钻头形成期间或之后引入磨损检测器。 钻头磨损可能会显示给操作员。