Flow Sensing Fiber Optic Cable and System
First Claim
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1. A flow sensing fiber optic sensing cable for measurement of oil flow rates in production wells comprising:
- a fiber optic sensing system housed within a tube suitable for a downhole environment; and
a flow to signal conversion device attached to the tube and deployed in the oil flow.
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Abstract
A system and method for monitoring oil flow rates at multiple points in production wells using a flow sensing fiber optic cable. An illustrative system embodiment includes: a fiber optic sensing system housed within a tube suitable for a downhole environment; and a flow to signal conversion device attached to the tube and deployed in the oil flow.
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Citations
25 Claims
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1. A flow sensing fiber optic sensing cable for measurement of oil flow rates in production wells comprising:
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a fiber optic sensing system housed within a tube suitable for a downhole environment; and a flow to signal conversion device attached to the tube and deployed in the oil flow. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A flow sensing fiber optic sensing cable system for measurement of oil flow rates in production wells comprising:
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a fiber optic sensing system housed within a tube suitable for a downhole environment; and a flow to signal conversion device attached to the tube and deployed in the oil flow; wherein the system comprises multiple combinations of the fiber optic sensing system housed within a tube suitable for a downhole environment and the flow to signal conversion device attached to the tube and deployed in the oil flow; and wherein the system includes multiple flow sensing locations to permit the detection of different flow rates at different points along the production flow path.
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15. A method for measuring oil flow rates in production wells using a flow sensing fiber optic cable, the method comprising:
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deploying the flow sensing fiber optic cable into a production well having a perforated production interval to be monitored; and monitoring a flow rate from that production interval, wherein said flow sensing fiber optic cable comprises; a fiber optic sensing system housed within a tube suitable for a downhole environment; and a flow to signal conversion device attached to the tube and deployed in the oil flow field. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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Specification