COMPARTMENTALIZED FIBER OPTIC DISTRIBUTED SENSOR
First Claim
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1. A distributed fiber optic sensor, comprising:
- a conduit having a plurality of sealed compartments extending along the length of the conduit; and
a sensing optical fiber disposed in the conduit and extending through the sealed compartments to form a series of compartmentalized sensing elements that separately respond to a parameter incident along the conduit.
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Abstract
A distributed fiber optic sensor comprises a conduit having a plurality of sealed compartment extending along its length. A sensing optical fiber is disposed in the conduit and extends through the sealed compartment to form a series of separate sensing elements, each of which separately respond to a parameter of interest that is incident along the length of the conduit. The compartmentalized conduit is surrounding by a protective layer that includes ports therethrough to allow transmission of the parameter through the protective layer to the separate sensing elements.
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Citations
24 Claims
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1. A distributed fiber optic sensor, comprising:
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a conduit having a plurality of sealed compartments extending along the length of the conduit; and a sensing optical fiber disposed in the conduit and extending through the sealed compartments to form a series of compartmentalized sensing elements that separately respond to a parameter incident along the conduit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of obtaining a distributed measurement of a parameter in a region of interest, comprising:
deploying a fiber optic distributed sensor in the region of interest, the fiber optic distributed sensor comprising; a conduit; a plurality of seals disposed in the conduit to form a series of adjacent sealed compartments; and a sensing optical fiber extending through the sealed compartments to form a series of separate sensing elements configured to separately respond to a parameter that is incident on the conduit from the region of interest. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A method of obtaining a distributed measurement of a parameter of interest, comprising:
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disposing a sensing optical fiber in a conduit, the sensing optical fiber configured to respond along its length to a parameter of interest; disposing a transmission medium in the conduit to enhance transmission to the sensing optical fiber of the parameter of interest that is incident on the conduit; sealing the conduit at a plurality of interior locations along the length of the conduit to provide a series of adjacent sealed compartments, each sealed compartment containing a portion of the transmission medium and a portion of the sensing optical fiber, thereby creating a compartmentalized conduit; and disposing the compartmentalized conduit in a protective layer. - View Dependent Claims (18, 19, 20)
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21. A fiber optic distributed measurement system, comprising:
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a fiber optic sensor, comprising; a conduit having a plurality of sealed compartments extending along the length of the conduit; and a sensing optical fiber disposed in the conduit and extending through the sealed compartments to form a series of compartmentalized sensing elements that separately respond to a parameter incident along the conduit; and a data acquisition subsystem configured to; generate an optical signal to launch into the sensing optical fiber; received from the sensing optical fiber backscattered light generated in response to the optical signal, wherein the backscattered light is affected by the parameter incident along the conduit; and output data corresponding to the backscattered light to a processing subsystem to determine a characteristic of the parameter. - View Dependent Claims (22, 23, 24)
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Specification