Wireless transmission system and system for monitoring a drilling rig operation

• US 9,133,668 B2
• Filed: 05/26/2010
• Issued: 09/15/2015
• Est. Priority Date: 06/02/2009
• Status: Active Grant

• Current Assignee: National Oilwell Varco LP (NOV, Inc.)
• Original Assignee: National Oilwell Varco LP (NOV, Inc.)
• Inventors: Cardellini, David A., Becker, Matthew D., Murray, Richard Lee Jr.
• Primary Examiner(s): Benlagsir, Amine
• Application Number:
  US13/375,864
• Publication Number:
  US 20120080227A1
• Time in Patent Office: 1,938 Days
• Field of Search: 340/853.1, 340/853.3
• US Class Current: 1/1
• CPC Class Codes: E21B 17/003 with electrically conducting or insulating means E21B17/028 and E21B17/023 take precedence
• CPC Class Codes: E21B 44/00 Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
• CPC Class Codes: E21B 47/13 by electromagnetic energy, e.g. radio frequency

Abstract

A system for monitoring a drilling rig operation includes a drilling rig assembly and at least one sensor coupled to a member of the drilling rig assembly to sense a parameter related to operation of the drilling rig assembly. A client device coupled to the at least one sensor includes a data acquisition device for receiving data from the at least one sensor. The client device also includes a first radio, which is coupled to the data acquisition device. A base station located a distance from the client device comprises a second radio that communicates wirelessly with the first radio in order to transfer data between the data acquisition device and the base station.

Claims

1. A system for monitoring a drilling rig operation, comprising:

a drilling rig assembly comprising a top drive assembly, the top drive assembly having a member extending therefrom to engage a pipe;

at least one sensor coupled to the member to sense a parameter related to operation of the drilling rig assembly;

a client device coupled to the at least one sensor outside of the member, the client device comprising a data acquisition device that is receiving data from the at least one sensor, and the client device comprising a sensor and a first radio, wherein the first radio is coupled to the data acquisition device, and the client device removably mountable to the member; and

a base station located a distance from the client device, and the base station comprising a second radio that communicates wirelessly with the first radio in order to transfer the data between the data acquisition device and the base station;

wherein the client device changes power states based on an output of the at least one sensor, the output comprising rotation of the member of the drilling rig assembly;

wherein an auto-power state occurs when a signal of the client device is within a predefined threshold and allows the first radio to continue to operate in a high-power state for a flexible period of time; and

wherein when to power-up or power-down the client device is determined based on a signal strength of the sensor of the client device.

2. The system of claim 1, wherein the first radio is a micro-power radio.

3. The system of claim 2, wherein the client device further comprises a gyroscope and the client device further changes the power states based on an output of the gyroscope.

4. The system of claim 1, further comprising a control and acquisition system in communication with the base station.

5. The system of claim 1, wherein the client device further comprises at least one accelerometer.

6. The system of claim 5, wherein the member of the drilling rig assembly is a top drive link tilt, and the data acquisition device further receives first data from the at least one accelerometer.

7. The system of claim 6, wherein the data acquisition device further extracts inclination angle and rotational angle of the top drive link tilt from the first data received from the at least one accelerometer.

8. The system of claim 5, wherein the client device is part of a collision avoidance system, and the at least one accelerometer is for collision avoidance monitoring.

9. The system of claim 1, wherein the client device further has a plurality of configurable channels, each channel of the plurality of configurable channels being assigned to monitor the data from the at least one sensor.

10. The system of claim 1, wherein the client device is further removably mountable onto an instrument sub.

11. The system of claim 1, wherein the client device is further removably mountable on a pipe running tool.

12. The system of claim 1, wherein the client device is further coupled to a rotatable member operatively connectable to a top drive link.

13. The system of claim 1, wherein the client device is further coupled to a link tilt arm of the drilling rig assembly.

14. The system of claim 1, wherein the client device is further operatively connectable to a top drive pipe handler.

15. The system of claim 1, wherein the data is transmitted at a low transmission rate reducing an amount of power used or if the signal of the client device has real-time importance at a high transmission rate.

16. The system of claim 1, further comprising a gyroscope to measure a rotational position of the member and to change the power states based on an output of the gyroscope.

17. The system of claim 16, wherein the client device further comprising a low-power state.

18. The system of claim 17, wherein the high-power state occurs when a gyroscope signal is outside of the predefined threshold and wherein the low-power state occurs when the gyroscope signal is within the predefined threshold.

19. The system of claim 17, wherein the auto-power state occurs when a gyroscope signal is within of the predefined threshold and allows the first radio to continue to operate in the high-power state for the flexible period of time.

20. The system of claim 19, wherein the flexible period of time is changeable via bidirectional communication between the base station and the client device.

21. A wireless transmission system, comprising:

a client device comprising a sensor and a data acquisition device, wherein the data acquisition device is receiving data from at least one sensor, and a first radio coupled to the data acquisition device, wherein the client device removably mountable to a member of a drilling rig assembly, the drilling rig assembly comprising a top drive assembly having the member extending therefrom to engage a pipe, the client device and the at least one sensor mounted outside of the member; and

a base station located a distance from the client device, and the base station comprising a second radio that communicates wirelessly with the first radio in order to transfer the data between the data acquisition device and the base station;

wherein the client device changes power states based on an output of the at least one sensor, the output comprising rotation of the member of the drilling rig assembly;

wherein an auto-power state of the client device occurs when a signal of the client device is within a predefined threshold and allows the first radio to continue to operate in a high-power state of the client device for a flexible period of time; and

wherein when to power-up or power-down the client device is determined based on a signal strength of the sensor.

22. The wireless transmission system of claim 21, wherein the first radio and the second radio communicate using IEEE 802.15.4 standard.

23. The wireless transmission system of claim 21, wherein the first radio is a micro-power radio.

24. The wireless transmission system of claim 23, wherein the client device is powered by a battery.

25. The wireless transmission system of claim 23, wherein the client device is powered by harvested energy.

26. The wireless transmission system of claim 23, wherein the client device further comprises a gyroscope to detect a rotational speed of the client device.

27. The wireless transmission system of claim 26, wherein the client device further changes the power states based on an output of the gyroscope.

28. The wireless transmission system of claim 21, wherein the data acquisition device further receives first data selected from top drive shaft bending moment, top drive shaft torque data, top drive shaft tension data, drilling rig hoist load data, weight-on-bit data, drilling data, and tool rotational alignment data.

29. The wireless transmission system of claim 21, wherein the data acquisition device further receives second data from at least one auxiliary tool measuring at least one parameter selected from torque, tension, bending moment, rotational velocity, rotational position, and acceleration.

30. The wireless transmission system of claim 21, wherein the client device further comprises at least one accelerometer.

31. The wireless transmission system of claim 30, wherein the client device further catches transients during shock loading based on an output of the at least one accelerometer.

32. The wireless transmission system of claim 21, further comprising a control and acquisition system in communication with the base station.

33. The wireless transmission system of claim 21, further comprising a repeater radio for relaying the data between the first radio and the second radio.

34. The wireless transmission system of claim 21, wherein the client device further having a plurality of configurable channels, each channel of the plurality of configurable channels being assigned to monitor the data from the at least one sensor.

35. The wireless transmission system of claim 34, wherein said each channel of the plurality of configurable channels further includes an individually settable sampling rate for acquiring the data from the at least one sensor by said each channel of the plurality of configurable channels that is assigned to monitor.

36. The wireless transmission system of claim 34, wherein said each channel of the plurality of configurable channels further includes a configurable transmission rate for transmitting to the base station.

37. The system of claim 21, further comprising a gyroscope to sense the rotation of the member and to change the power states when the member is rotated.

38. A method of monitoring a drilling rig operation, comprising:

sensing a parameter related to the drilling rig operation using at least one sensor coupled to a member of a drilling rig assembly, the drilling rig assembly comprising a top drive assembly having the member extending therefrom to engage a pipe;

removably mounting a client device, wherein the client device comprising a sensor, a data acquisition device and a first radio to the member, wherein the client device and the at least one sensor mounted outside of the member;

collecting data from the at least one sensor using the data acquisition device of the client device coupled to the at least one sensor;

determining when to power-up or power-down the client device based on a signal strength of the sensor;

changing a power state of the client device based on an output of the at least one sensor, the output comprising rotation of the member of the drilling rig assembly, an auto-power state of the client device occurring when a signal of the client device is within a predefined threshold and allowing the first radio to continue to operate in a high-power state of the client device for a flexible period of time; and

transmitting the data collected by the data acquisition device wirelessly to a base station located at a distance from the data acquisition device using the first radio coupled to the data acquisition device and a second radio coupled to the base station.

39. The method of claim 38, wherein the changing the power state further comprises controlling the power state of the client device.

40. The method of claim 38, wherein the changing the power state further comprises selectively transmitting the data at a low transmission rate reducing an amount of power or, if the signal has real-time importance, then configuring the signal to have at a high transmission rate.

41. The method of claim 38, further comprising measuring a rotational position of the member and further comprising changing the power state of the client device is based on an output of a gyroscope.

42. The method of claim 41, further comprising determining when to power-up or power-down the client device based on a signal strength of the gyroscope.