METHOD FOR PERFORMING WORK ON UNDERWATER PIPES

In order to perform work on an underwater pipe, an apparatus comprising an ultrasound emitting system and at least one ultrasound receiving transducer (20) is lowered into the marine environment. During an inspection phase, an ultrasound inspection source (14, 14a) of the ultrasound emitting system...

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Main Authors ALCURI, GUSTAVO, SOMERS, ALEXANDER, COURBOT, ANNE, OUCHENE, SAÏD BEN CHALELLOU
Format Patent
LanguageEnglish
French
Published 31.07.2014
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Abstract In order to perform work on an underwater pipe, an apparatus comprising an ultrasound emitting system and at least one ultrasound receiving transducer (20) is lowered into the marine environment. During an inspection phase, an ultrasound inspection source (14, 14a) of the ultrasound emitting system and the receiving transducer are disposed on each side of the pipe, the inspection source is activated, and an ultrasound signal captured by the receiving transducer is recorded. The inspection step further comprises detecting a condition for locating an obstruction at the location where the inspection source and the receiving transducer are disposed, in response to the observation of an anomaly in the ultrasound signal captured by the receiving transducer at said location. In a destruction phase, a power source (14, 14b) of the ultrasound emitting system is then coupled to the pipe at the aforementioned location, and the power source is activated in order to destroy the obstruction. Pour intervenir sur une canalisation sous-marine, un appareillage comprenant un système d'émission d'ultrasons et au moins un transducteur de réception d'ultrasons (20) est descendu dans le milieu marin. Dans une phase d'inspection, une source ultrasonore d'inspection (14, 14a) du système d'émission d'ultrasons et le transducteur de réception sont disposés de part et d'autre de la canalisation, la source d'inspection est activée, et un signal ultrasonore capté par le transducteur de réception est enregistré. Une condition de localisation d'une obstruction est détectée à l'emplacement où sont disposés la source d'inspection et le transducteur de réception en réponse à l'observation d'une anomalie dans le signal ultrasonore capté par le transducteur de réception à cet emplacement. Dans une phase de destruction, une source de puissance (14, 14b) du système d'émission d'ultrasons est alors couplée à la canalisation à cet emplacement, et la source de puissance est activée pour détruire l'obstruction.
AbstractList In order to perform work on an underwater pipe, an apparatus comprising an ultrasound emitting system and at least one ultrasound receiving transducer (20) is lowered into the marine environment. During an inspection phase, an ultrasound inspection source (14, 14a) of the ultrasound emitting system and the receiving transducer are disposed on each side of the pipe, the inspection source is activated, and an ultrasound signal captured by the receiving transducer is recorded. The inspection step further comprises detecting a condition for locating an obstruction at the location where the inspection source and the receiving transducer are disposed, in response to the observation of an anomaly in the ultrasound signal captured by the receiving transducer at said location. In a destruction phase, a power source (14, 14b) of the ultrasound emitting system is then coupled to the pipe at the aforementioned location, and the power source is activated in order to destroy the obstruction. Pour intervenir sur une canalisation sous-marine, un appareillage comprenant un système d'émission d'ultrasons et au moins un transducteur de réception d'ultrasons (20) est descendu dans le milieu marin. Dans une phase d'inspection, une source ultrasonore d'inspection (14, 14a) du système d'émission d'ultrasons et le transducteur de réception sont disposés de part et d'autre de la canalisation, la source d'inspection est activée, et un signal ultrasonore capté par le transducteur de réception est enregistré. Une condition de localisation d'une obstruction est détectée à l'emplacement où sont disposés la source d'inspection et le transducteur de réception en réponse à l'observation d'une anomalie dans le signal ultrasonore capté par le transducteur de réception à cet emplacement. Dans une phase de destruction, une source de puissance (14, 14b) du système d'émission d'ultrasons est alors couplée à la canalisation à cet emplacement, et la source de puissance est activée pour détruire l'obstruction.
Author COURBOT, ANNE
OUCHENE, SAÏD BEN CHALELLOU
SOMERS, ALEXANDER
ALCURI, GUSTAVO
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Snippet In order to perform work on an underwater pipe, an apparatus comprising an ultrasound emitting system and at least one ultrasound receiving transducer (20) is...
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SourceType Open Access Repository
SubjectTerms BLASTING
CLEANING
CLEANING IN GENERAL
CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE ORHEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
HEAT EXCHANGE IN GENERAL
HEATING
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
LIGHTING
MEASURING
MECHANICAL ENGINEERING
PERFORMING OPERATIONS
PHYSICS
PREVENTION OF FOULING IN GENERAL
TESTING
TRANSPORTING
WEAPONS
Title METHOD FOR PERFORMING WORK ON UNDERWATER PIPES
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