SYSTEM AND METHOD FOR THE CONTINUOUS DETECTION OF IMPACTS ON PIPELINES FOR THE TRANSPORTATION OF FLUIDS, PARTICULARLY SUITABLE FOR UNDERWATER PIPELINES
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Abstract
A system and method for continuous detection of impacts on pipelines for fluid transportation, particularly on pipelines placed on the seabed. The system includes at least two sensors each installed in correspondence with an end of a section subject to detection of a pipeline. A first sensor of the at least two sensors is configured to detect first acoustic waves, which propagate along a first transmission phase associated with the pipeline, and a second sensor of the at least two sensors is configured to detect second acoustic waves which propagate along a second transmission phase associated with the pipeline. The second acoustic waves have different elastic features with respect to the first acoustic waves.
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Citations
32 Claims
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1-16. -16. (canceled)
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17. A system for continuous detection of impacts on pipelines for fluid transportation, comprising:
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at least two sensors each installed in correspondence with an end of a section subject to length of a pipeline, wherein a first sensor of the at least two sensors is configured to detect first acoustic waves which propagate along a first acoustic wave transmission phase associated with the pipeline and a second sensor of the at least two sensors is configured to detect second acoustic waves which propagate along a second acoustic wave transmission phase associated with the pipeline, the second acoustic waves having a different wave feature with respect to the first acoustic waves. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 28, 29, 30, 31, 32)
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25. A method for continuous detection of impacts on pipelines for fluids transportation, comprising:
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detecting arrival of first acoustic waves generated by an impact which has taken place in a section subject to length of a pipeline through a first sensor installed in correspondence with an end of the section subject to length; detecting arrival of second acoustic waves generated by the impact which has taken place in the section subject to length of the pipeline through a second sensor installed in correspondence with an end of the section subject to length; determining the time difference between arrivals of the first and second acoustic waves; localizing the impact by identifying its position along the pipeline on the basis of the determined time difference; wherein the first acoustic wave propagates in a first acoustic wave transmission phase associated with the pipeline and the second acoustic wave propagates in a second acoustic wave transmission phase associated with the pipeline, the second acoustic waves having different wave characteristics with respect to the first acoustic waves. - View Dependent Claims (26, 27)
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Specification