Communication through an enclosure of a line
A communication system can include a transmitter which transmits a signal, and at least one sensing device which receives the signal, the sensing device including a line contained in an enclosure, and the signal being detected by the line through a material of the enclosure. A sensing system can include at least one sensor which senses a parameter, at least one sensing device which receives an indication of the parameter, the sensing device including a line contained in an enclosure, and a transmitter which transmits the indication of the parameter to the line through a material of the enclosure. Another sensing system can include an object which displaces in a subterranean well. At least one sensing device can receive a signal from the object. The sensing device can include a line contained in an enclosure, and the signal can be detected by the line through a material of the enclosure.
1. A sensing system, comprising:
a sensor;
a transmitter which transmits a signal, the signal including an indication of a parameter measured by the sensor; and
at least one sensing device which receives the signal, the sensing device including a line contained in an enclosure, and the signal being detected by the line through a material of the enclosure.
2. The sensing system of claim 1 , wherein the sensing device is positioned external to a casing, and wherein the transmitter displaces through an interior of the casing.
3. The sensing system of claim 1 , wherein the signal comprises an electromagnetic signal.
4. The sensing system of claim 1 , wherein the transmitter is not attached to the sensing device.
5. The sensing system of claim 1 , wherein the transmitter is secured to the sensing device.
6. The sensing system of claim 1 , wherein the sensing device is disposed along a sea floor in close proximity to the transmitter.
7. The sensing system of claim 1 , wherein the line comprises an optical waveguide.
8. The sensing system of claim 7 , wherein an interrogation system detects Brillouin backscatter gain resulting from light transmitted through the optical waveguide.
9. The sensing system of claim 7 , wherein an interrogation system detects coherent Rayleigh backscatter resulting from light transmitted through the optical waveguide.
10. The sensing system of claim 1 , wherein the signal comprises an acoustic signal.
11. The sensing system of claim 10 , wherein the acoustic signal vibrates the line through the enclosure material.
12. The sensing system of claim 10 , wherein an interrogation system detects triboelectric noise generated in response to the acoustic signal.
13. The sensing system of claim 10 , wherein an interrogation system detects piezoelectric energy generated in response to the acoustic signal.
14. A sensing system, comprising:
at least one sensor which senses a parameter;
at least one sensing device which receives an indication of the parameter, the sensing device including a line contained in an enclosure; and
a transmitter which transmits the indication of the parameter to the line through a material of the enclosure.
15. The sensing system of claim 14 , wherein the transmitter transmits the indication of the parameter via an acoustic signal.
16. The sensing system of claim 14 , wherein the sensing device is positioned external to a casing, and wherein the sensor displaces through an interior of the casing.
17. The sensing system of claim 14 , wherein the transmitter transmits the indication of the parameter via an electromagnetic signal.
18. The sensing system of claim 14 , wherein the sensor is not attached to the sensing device.
19. The sensing system of claim 14 , wherein the sensor is secured to the sensing device.
20. The sensing system of claim 14 , wherein the sensing device is disposed along a sea floor in close proximity to the sensor.
21. The sensing system of claim 14 , wherein the sensor comprises a tiltmeter.
22. The sensing system of claim 14 , wherein the line comprises an optical waveguide.
23. The sensing system of claim 22 , wherein an interrogation system detects Brillouin backscatter gain resulting from light transmitted through the optical waveguide.
24. The sensing system of claim 22 , wherein an interrogation system detects coherent Rayleigh backscatter resulting from light transmitted through the optical waveguide.
25. The sensing system of claim 15 , wherein an interrogation system detects piezoelectric energy generated in response to the acoustic signal.
26. The sensing system of claim 15 , wherein the acoustic signal vibrates the line through the enclosure material.
27. The sensing system of claim 15 , wherein an interrogation system detects triboelectric noise generated in response to the acoustic signal.
28. A sensing system, comprising:
an object which displaces in a subterranean well;
at least one sensing device which receives a signal from the object, the sensing device including a line contained in an enclosure, and the signal being detected by the line through a material of the enclosure; and
a sensor, wherein the signal includes an indication of a parameter measured by the sensor.
29. The sensing system of claim 28 , wherein the signal comprises a thermal signal.
30. The sensing system of claim 28 , wherein the signal is generated in response to arrival of the object at a predetermined location in the well.
31. The sensing system of claim 28 , wherein the line comprises an optical waveguide.
32. The sensing system of claim 31 , wherein an interrogation system detects Brillouin backscatter gain resulting from light transmitted through the optical waveguide.
33. The sensing system of claim 31 , wherein an interrogation system detects coherent Rayleigh backscatter resulting from light transmitted through the optical waveguide.
34. The sensing system of claim 28 , wherein the signal comprises an acoustic signal.
35. The sensing system of claim 34 , wherein the acoustic signal vibrates the line through the enclosure material.
36. The sensing system of claim 34 , wherein an interrogation system detects triboelectric noise generated in response to the acoustic signal.
37. The sensing system of claim 34 , wherein an interrogation system detects piezoelectric energy generated in response to the acoustic signal.
38. The sensing system of claim 34 , wherein the acoustic signal is generated by displacement of the object through the well.