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1. WO2020112698 - OUTER DIMENSIONAL MEASURING SYSTEM FOR TUBULARS

Note: Text based on automatic Optical Character Recognition processes. Please use the PDF version for legal matters

[ EN ]

CLAIMS

What is claimed is:

1. An apparatus, comprising:

a frame;

a set of rollers having a length and configured to rotate a tubular and supported by the frame;

a first arm supported by the frame;

a first wheel disposed on the first arm;

a first sensor configured to estimate the rate of rotation of the first wheel;

a second arm supported by the frame;

a second wheel disposed on the second arm and longitudinally separated along the length of the rollers from the first wheel;

a second sensor configured to estimate the rate of rotation of the second wheel; and a processor in communication with the first sensor and the second sensor.

2. The apparatus of claim 1, further comprising:

an actuator disposed between the first arm and the frame and configured to move the first wheel to apply pressure between the first wheel and the tubular.

3. The apparatus of claim 1, further comprising:

an actuator disposed between the second arm and the frame and configured to move the second wheel to apply pressure between the second wheel and the tubular.

4. The apparatus of claim 1, wherein the first sensor is disposed on the first arm.

5. The apparatus of claim 1, wherein the second sensor is disposed on the second arm.

6. The apparatus of claim 1, further comprising:

a tubular rotation sensor configured to detect an indicator on the tubular, wherein the tubular rotation sensor is in communication with the processor.

7. The apparatus of claim 6, further comprising:

a tubular rotation sensor arm supported by the frame and configured to position the

tubular rotation sensor relative to the tubular.

8. A method, comprising:

generating a rate of rotation signal based on motion of a first wheel of known diameter in contact with a first section of a rotating tubular;

generating a rate of rotation signal based on motion of a second wheel of known diameter in contact with a second section of the rotating tubular; and

estimating a ratio of an outer dimension of the first section and an outer dimension of the second section using the rate of rotation signal for the first wheel and the rate of rotation signal for the second wheel.

9. The method of claim 8, further comprising:

rotating the tubular.

10. The method of claim 8, further comprising:

positioning the first wheel to apply pressure to the first section.

11. The method of claim 8, further comprising:

positioning the second wheel to apply pressure to the second section.

12. The method of claim 8, further comprising:

communicating the rate of rotation signal for the first wheel to a processor; and communicating the rate of rotation signal for the second wheel to the processor.

13. An apparatus, comprising:

a frame;

a set of rollers configured to rotate a tubular and supported by the frame;

a first arm supported by the frame;

a first wheel disposed on the first arm;

a first sensor configured to estimate the rate of rotation of the first wheel;

a tubular rotation sensor configured to detect an indicator on the tubular; and

a processor in communication with the first sensor and the tubular rotation sensor.

14. The apparatus of claim 13, further comprising:

an actuator disposed between the first arm and the frame and configured to move the first wheel to apply pressure between the first wheel and the tubular.

15. The apparatus of claim 13, further comprising:

a tubular rotation sensor arm supported by the frame and configured to position the

tubular rotation sensor relative to the tubular.

16. The apparatus of claim 15, further comprising:

an actuator disposed between the tubular rotation sensor arm and the frame and

configured to move the tubular rotation sensor arm relative to the tubular.

17. The apparatus of claim 13, wherein the first sensor is disposed on the first arm.

18. The apparatus of claim 13, further comprising:

a second arm supported by the frame;

a second wheel disposed on the second arm and longitudinally separated along the length of the rollers from the first wheel; and

a second sensor configured to estimate the rate of rotation of the second wheel;

wherein the second wheel is longitudinally separated from the first wheel along a length of the set of rollers.

19. A method, comprising:

generating a rate of rotation signal based on motion of a first wheel of known diameter in contact with a rotating tubular;

generating a rate of rotation signal based on detection of an indicator disposed on the rotating tubular;

estimating an outer dimension of the tubular using the rate of rotation signal for the first wheel and the rate of rotation signal for the second wheel.

20. The method of claim 19, further comprising:

rotating the tubular.

21. The method of claim 19, further comprising:

positioning the first wheel to apply pressure to the tubular.

22. The method of claim 19, further comprising:

positioning a tubular rotation sensor to detect the indicator;

23. The method of claim 19, further comprising:

communicating the rate of rotation signal for the first wheel to a processor; and communicating the rate of rotation signal for tubular to the processor;

wherein the step of estimating the outer dimension of the tubular using the rate of rotation signal for the first wheel and the tubular rotation signal.

24. An apparatus, comprising:

a frame;

a set of rollers having a length and configured to rotate a tubular and supported by the frame;

a first arm supported by the frame;

a first wheel disposed on the first arm;

a first sensor configured to estimate the rate of rotation of the first wheel; a second arm supported by the frame;

a second wheel disposed on the second arm and longitudinally separated along the length of the rollers from the first wheel;

a second sensor configured to estimate the rate of rotation of the second wheel;

a tubular rotation sensor configured to detect an indicator on the tubular; and

a processor in communication with the first sensor, the second sensor, and the tubular rotation sensor.

25. The apparatus of claim 24, further comprising:

an actuator disposed between at least one of: the first arm and the frame, the second arm and the frame, and the tubular rotation sensor arm and the frame.

26. A method, comprising:

generating a rate of rotation signal based on motion of a first wheel of known diameter in contact with a first section of a rotating tubular;

generating a rate of rotation signal based on motion of a second wheel of known diameter in contact with a second section of the rotating tubular;

generating a rate of rotation signal based on detection of an indicator disposed on the rotating tubular;

estimating a ratio of an outer dimension of the first section and an outer dimension of the second section using the rate of rotation signal for the first wheel and the rate of rotation signal for the second wheel; and

estimating an outer dimension of the tubular using the rate of rotation signal for the first wheel and the rate of rotation signal for the second wheel.

27. The method of claim 26, further comprising:

rotating the tubular.

28. The method of claim 26, further comprising:

positioning the first wheel to apply pressure to the first section.

29. The method of claim 26, further comprising:

positioning the second wheel to apply pressure to the second section;

30. The method of claim 26, further comprising:

communicating the rate of rotation signal for the first wheel to a processor; and communicating the rate of rotation signal for the second wheel to the processor.