Guided wave pipeline inspection system with enhanced focusing capability
First Claim
1. A system for inspecting a pipeline, comprising:
- at least two transducers radially disposed around a perimeter of the pipeline, each of the at least two transducers dividing the pipeline into segments, each segment containing a number of sensors, wherein a maximum number of segments is equal to a number of transducers;
an arrangement configured to send, receive and store guided wave signals along a length of the pipeline from a first location along the length of the pipeline, wherein the arrangement has a number of pulser channels and a number of receiver channels; and
a time delay arrangement connected to the arrangement configured to send, receive and store guided wave signals, the time delay arrangement configured to provide the arrangement configured to send and receive signals for at least two transducers with delay times for adjusting a radial position of the focal points or compensating for at least one of a geometric change or a coating along the length of the pipeline.
1 Assignment
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Accused Products
Abstract
A system for inspecting a pipeline having at least two transducers divided into segments, the segments each containing a number of sensors, wherein a maximum number of segments is equal to a number of transducers, an arrangement configured to send, receive and store signals, wherein the arrangement has a number of pulser channels and a number of receiver channels, wherein the arrangement has at least one multiplexing arrangement for multiplexing signals from the arrangement; and a time delay arrangement connected to the arrangement configured to send, receive and store signals. The system may also provide for focal point skewing, near real time coating compensation for proper excitation mode, adjusted time delay capability and the ability to focus beyond changes in geometry.
39 Citations
14 Claims
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1. A system for inspecting a pipeline, comprising:
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at least two transducers radially disposed around a perimeter of the pipeline, each of the at least two transducers dividing the pipeline into segments, each segment containing a number of sensors, wherein a maximum number of segments is equal to a number of transducers; an arrangement configured to send, receive and store guided wave signals along a length of the pipeline from a first location along the length of the pipeline, wherein the arrangement has a number of pulser channels and a number of receiver channels; and a time delay arrangement connected to the arrangement configured to send, receive and store guided wave signals, the time delay arrangement configured to provide the arrangement configured to send and receive signals for at least two transducers with delay times for adjusting a radial position of the focal points or compensating for at least one of a geometric change or a coating along the length of the pipeline. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification