Segment of pipe-in-pipe pipeline and the use of an acoustic transducer measurement system for the reduced pressure annulus
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United States of America Patent
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Oct 22, 2019
Grant Date -
Sep 13, 2018
app pub date -
Mar 13, 2018
filing date -
Mar 13, 2017
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention relates to a segment of pipe-in-pipe pipeline comprising an annulus under reduced pressure sealed and delimited by a metallic internal pipe inserted into a metallic external pipe and provided with a measurement system to determine in a non-intrusive manner the state of the annulus, the measurement system being composed of a first internal emitter/receiver assembly placed inside the annulus and cooperating with means to measure a first physical quantity such as pressure, hygrometry or temperature inside the reduced pressure annulus and a second external emitter/receiver assembly arranged to the exterior of the segment and facing said first assembly.
First Claim
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International Classification(s)
- F16L:PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR ....
- G01K:MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT;....
- G01M:TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR S....
- G01L:MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL ....
- G01N:INVESTIGATING OR ANALYSING MATERIALS BY DETERMININ....
- F17D:PIPE-LINE SYSTEMS; PIPE-LINES
- E21B:EARTH OR ROCK DRILLING
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