In some embodiments, an apparatus and a system, as well as a method and article of manufacture, may operate to receive sensor information from a series of sensors coupled to a spiral-shaped optical fiber, wherein the sensor information comprises a signal integrating at least a location of one or mor
In some embodiments, an apparatus and a system, as well as a method and article of manufacture, may operate to receive sensor information from a series of sensors coupled to a spiral-shaped optical fiber, wherein the sensor information comprises a signal integrating at least a location of one or more of the sensors along the optical fiber, and a physical parameter measurement. Further activity may include determining a physical property of material in a geological formation based on the physical parameter measurement. Additional apparatus, systems, and methods are disclosed.
대표청구항▼
1. A method, comprising: lowering a wireline housing, wherein multiple pads are attached to the wireline housing, and wherein the multiple pads are in contact with a borehole wall;receiving sensor information from sensors coupled to a spiral-shaped optical fiber, wherein the sensor information compr
1. A method, comprising: lowering a wireline housing, wherein multiple pads are attached to the wireline housing, and wherein the multiple pads are in contact with a borehole wall;receiving sensor information from sensors coupled to a spiral-shaped optical fiber, wherein the sensor information comprises a signal integrating at least one of a depth and an azimuth of one or more of the sensors along the spiral-shaped optical fiber, and a physical parameter measurement, and wherein the spiral-shaped optical fiber is attached to a respective pad of the multiple pads; anddetermining a physical property of a material in a geological formation based on the physical parameter measurement. 2. The method of claim 1, further comprising: displaying a map of at least one of the sensor information, the signal, the depth, the azimuth, or the physical property in a visible format. 3. The method of claim 1, further comprising: determining the physical property based on values encoded in at least one of an amplitude component and a phase component of the signal. 4. The method of claim 1, further comprising: determining that a fluid is flooding a borehole in the geological formation based on the sensor information. 5. An apparatus, comprising: a wireline housing; andmultiple pads that are attached to the wireline housing and in contact with a borehole wall, at least some of the pads comprising sensors coupled to a spiral-shaped optical fiber to provide, when operating, sensor information comprising a signal integrating at least a depth and an azimuth of one or more of the sensors along the spiral-shaped optical fiber, and a physical parameter measurement. 6. The apparatus of claim 5, further comprising at least one electromagnetic source attached to some of the pads, wherein at least some of the sensors comprise magnetic dipole sensors. 7. The apparatus of claim 5, further comprising at least one current injection source attached to some of the pads, wherein at least some of the sensors comprise voltage differential sensors. 8. The apparatus of claim 5, wherein the sensors comprise at least one of magnetic or electrical dipole sensors. 9. The apparatus of claim 5, further comprising a non-transitory machine-readable storage device comprising instructions stored thereon, which, when performed by a machine, causes the machine to: determine a physical property of a material in a geological formation based on the physical parameter measurement; anddisplay a map of at least one of the sensor information, the signal, the depth, the azimuth, or the physical property in a visible format. 10. The apparatus of claim 5, further comprising a non-transitory machine-readable storage device comprising instructions stored thereon, which, when performed by a machine, causes the machine to: determine a physical property of a material in a geological formation based on the physical parameter measurement; anddetermine the physical property based on values encoded in at least one of an amplitude component and a phase component of the signal. 11. The apparatus of claim 5, further comprising a non-transitory machine-readable storage device comprising instructions stored thereon, which, when performed by a machine, causes the machine to: determine a physical property of a material in a geological formation based on the physical parameter measurement; anddetermine that a fluid is flooding a borehole in the geological formation based on the sensor information. 12. A logging-while-drilling system, comprising: a drill bit:a downhole tool comprising multiple pads, wherein at least one of the multiple pads comprises a cylindrical surface having a spiral-shaped groove, and wherein the downhole tool is attached to the drill bit; andsensors coupled to an optical fiber disposed within the spiral-shaped groove to provide, when operating, sensor information comprising a signal integrating at least a location of one or more of the sensors along the optical fiber, and a physical parameter measurement. 13. The logging-while-drilling system of claim 12, further comprising at least one magnetic dipole transmitter attached to the drill collar. 14. The logging-while-drilling system of claim 12, wherein at least some of the sensors comprise magnetic dipole sensors. 15. The logging-while-drilling system of claim 12, further comprising an electric dipole transmitter attached to the drill collar, to apply, when operating, an alternating current to the drill collar to produce an alternating field at a gap in the drill collar. 16. The logging-while-drilling system of claim 12, wherein at least some of the sensors comprise electrical dipole sensors. 17. An apparatus, comprising: a casing or cement in a borehole;a wireline housing, wherein multiple pads are attached to the wireline housing and in contact with a wall of the casing or cement in the borehole; andsensors coupled to an optical fiber, wherein the optical fiber is embedded in or attached to a respective pad of the multiple pads, and wherein the optical fiber comprises a spiral-shape to follow an azimuthal path around the respective pad of the multiple pads, wherein the sensors are to provide, when operating, sensor information comprising a signal integrating at least one of a depth and an azimuth of one or more of the sensors along the optical fiber, and a physical parameter measurement. 18. The apparatus of claim 17, wherein the physical parameter measurement comprises at least one of conductivity, resistivity, magnetic permeability, or dielectric constant. 19. The apparatus of claim 17, further comprising: a memory to store a log of at least one of the sensor information, the signal, the depth, the azimuth, or the physical parameter measurement. 20. The apparatus of claim 17, further comprising: a detection device to monitor the sensor information and to responsively provide an indication of fluid flooding in the borehole. 21. The apparatus of claim 20, wherein the detection device comprises a conductivity measurement device to predict a future occurrence of the fluid flooding. 22. The apparatus of claim 20, wherein the detection device is to provide a response signal to slow down or stop production from one or more perforations in the borehole.
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이 특허에 인용된 특허 (9)
Kluth, Erhard Luther Edgar; Varnham, Malcolm Paul, Apparatus for the remote measurement of physical parameters.
Dussan V. Elizabeth B. (Ridgefield CT) Hecquet Franois (Montgeron FRX) Rezgui Fadhel (Sceaux FRX) Veignat Eric (Montrouge FRX), Method and apparatus for locally measuring flow parameters of a multiphase fluid.
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