Method and system to drill a wellbore and identify drill bit failure by deconvoluting sensor data

1. A method of drilling a wellbore through a subterranean earth formation, comprising:

drilling the wellbore using a drill bit;

measuring data indicative of a parameter associated with the drill bit using a sensor located in the wellbore;

decomposing, by a processor in communication with the sensor, the data to generate an intrinsic mode function of the drill bit data using empirical mode decomposition;

analyzing, by the processor, the intrinsic mode function to identify a drill bit failure to a drilling operator, wherein analyzing comprises:

calculating the energy of the intrinsic mode function of the drill bit data; and

comparing the energy of the intrinsic mode function to a drill bit wear model; and

deciding, by the drilling operator based on the identified drill bit failure, at least one of whether or when to remove the drill bit from the wellbore; to replace the drill bit; or to change a weight-on-bit, a torque-on-bit, or a rate of revolutions of the drill bit.

2. The method of claim 1 , wherein the parameter associated with the drill bit comprises any one or a combination of acceleration of the drill bit, jerk of the drill bit, weight-on-bit, torque-on-bit, rate of penetration, drill bit revolutions as a function of time, and drill bit temperature.

3. The method of claim 1 , wherein decomposing comprises applying any one or a combination of a minimum entropy deconvolution and a Teager-Kaiser energy operator to deconvolve the measured data and decomposing the deconvolved data to generate the intrinsic mode function.

4. The method of claim 1 , further comprising measuring formation data indicative of the earth formation using any one or combination of a seismic measurement device, a resistivity measurement device, and a gamma ray logging tool.

5. The method of claim 4 , wherein analyzing comprises comparing the intrinsic mode function to a model of the earth formation based on the measured formation data.

6. The method of claim 1 , wherein analyzing comprises identifying a change in polarity of the energy of the intrinsic mode function relative to another intrinsic mode function for a separate location in the wellbore.

7. The method of claim 1 , further comprising:

decomposing the measured data to generate two or more intrinsic mode functions of the drill bit data;

calculating the energy of the intrinsic mode functions;

generating a normalized set of energies for the intrinsic mode functions; and

identifying an energy spike in the normalized set of energies to identify the drill bit failure.

8. The method of claim 1 , further comprising using the drill bit to extend the wellbore.

9. A system for drilling a wellbore through a subterranean earth formation, the system being run by a drilling operator, comprising:

a drill bit;

a sensor located in the wellbore intersecting the earth formation and operable to measure data indicative of a parameter associated with the drill bit; and

a processor in communication with the sensor and operable to:

decompose the data to generate an intrinsic mode function of the drill bit data using empirical mode decomposition;

analyze the intrinsic mode function to identify a drill bit failure to the drilling operator, wherein analyzing comprises:

calculating the energy of the intrinsic mode function of the drill bit data; and

comparing the energy of the intrinsic mode function to a drill bit wear model; and

wherein the identification of the drill bit failure allows the drilling operator to at least one of determine whether or when to remove the drill bit from the wellbore; replace the drill bit; or change a weight-on-bit, a torque-on-bit, or a rate of revolutions of the drill bit.

10. The system of claim 9 , wherein the parameter associated with the drill bit comprises any one or a combination of acceleration of the drill bit, jerk of the drill bit, weight-on-bit, torque-on-bit, rate of penetration, drill bit revolutions as a function of time, and drill bit temperature.

11. The system of claim 9 , further comprising a downhole sensor including any one or combination of a seismic measurement device, a resistivity measurement device, or a gamma ray logging tool.

12. The system of claim 11 , wherein the processor is operable to compare the intrinsic mode function to a model of the earth formation based on formation data measured using a formation measurement device.

13. The system of claim 9 , wherein the processor is operable to identify—a change in polarity of the energy of the intrinsic mode function relative to another intrinsic mode function for a separate location in the wellbore.

14. A method of drilling a wellbore through a subterranean earth formation, comprising:

drilling the wellbore using a drill bit;

measuring data indicative of a parameter associated with the drill bit using a sensor located in the wellbore;

decomposing, by a processor in communication with the sensor, the measured data to generate an intrinsic mode function of the data using empirical mode decomposition;

analyzing, by the processor, the intrinsic mode function to predict a drill bit failure;

continuing to drill the wellbore using the drill bit until the predicted drill bit failure occurs, wherein analyzing comprises:

calculating the energy of the intrinsic mode function of the drill bit data; and

comparing the energy of the intrinsic mode function to a drill bit wear model, and

replacing the drill bit.

15. The method of claim 14 , wherein analyzing comprises training a drilling model to predict the drill bit failure using the intrinsic mode function.

16. The method of claim 14 , wherein the parameter associated with the drill bit comprises any one or a combination of acceleration of the drill bit, jerk of the drill bit, weight-on-bit, torque-on-bit, rate of penetration, drill bit revolutions as a function of time, and drill bit temperature.