Bit based formation evaluation and drill bit and drill...

Details Bit based formation evaluation and drill bit and drill... Bit based formation evaluation and drill bit and drill...

G - Physics

01

V

G01V 1/40 (2006.01) E21B 10/08 (2006.01) E21B 47/00 (2006.01)

Patent

CA 2742479

A drill bit having a bit body includes one or more acoustic sensors that are configured to detect elastic waves when the drill bit is used for drilling a wellbore. The acoustic sensor may be configured to detect a sonic signature associated with a failure event. In further arrangements, the acoustic sensors may be configured to receive signals from a controlled acoustic source.

L'invention concerne un trépan, possédant un corps de trépan, contenant un ou plusieurs capteurs acoustiques capables de détecter des ondes élastiques quand le trépan est utilisé pour forer un puits. Le capteur acoustique est susceptible de détecter une signature acoustique associée à une défaillance. Dans d'autres arrangements, les capteurs acoustiques sont susceptibles de recevoir des signaux provenant d'une source acoustique contrôlée.

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