HRP20221026T1 - Sustav i postupak daljinskog nadzora integriteta cijevi pod pritiskom pomoću vibroakustičnih izvora - Google Patents

Sustav i postupak daljinskog nadzora integriteta cijevi pod pritiskom pomoću vibroakustičnih izvora Download PDF

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Publication number
HRP20221026T1
HRP20221026T1 HRP20221026TT HRP20221026T HRP20221026T1 HR P20221026 T1 HRP20221026 T1 HR P20221026T1 HR P20221026T T HRP20221026T T HR P20221026TT HR P20221026 T HRP20221026 T HR P20221026T HR P20221026 T1 HRP20221026 T1 HR P20221026T1
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HR
Croatia
Prior art keywords
pipe
pressure
fluid
point
acoustic signal
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HRP20221026TT
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English (en)
Inventor
Giuseppe Giunta
Giancarlo Bernasconi
Massimo Signori
Original Assignee
Eni S.P.A.
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Application filed by Eni S.P.A. filed Critical Eni S.P.A.
Publication of HRP20221026T1 publication Critical patent/HRP20221026T1/hr

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/24—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations
    • G01M3/243—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations for pipes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/34—Generating the ultrasonic, sonic or infrasonic waves, e.g. electronic circuits specially adapted therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
    • G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
    • G01M3/2815—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
    • G01M5/0025—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings of elongated objects, e.g. pipes, masts, towers or railways
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
    • G01M5/0066—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by exciting or detecting vibration or acceleration
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G01N2291/043—Complex trajectories
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/26—Scanned objects
    • G01N2291/263—Surfaces
    • G01N2291/2636—Surfaces cylindrical from inside
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/07—Analysing solids by measuring propagation velocity or propagation time of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/11—Analysing solids by measuring attenuation of acoustic waves

Claims (10)

1. Sustav nadzora cijevi (10) za transport fluida na unaprijed definiranoj vrijednosti (P) pritiska, pri čemu sustav sadrži najmanje jedan uređaj (12) generatora impulsa pritiska hidraulički povezan sa fluidom kojeg transportira cijev (10), pri čemu svaki uređaj (12) generatora impulsa pritiska sadrži: - najmanje jedan prvi rezervoar (14), projektiran da sadrži prvu unaprijed definiranu količinu fluida koji dolazi iz cijevi (10) i da održava navedenu prvu unaprijed definiranu količinu fluida na prvoj vrijednosti (P1) pritiska koja je manja od unaprijed definirane vrijednosti (P) pritiska fluida kojeg transportira cijev (10); - najmanje jedan drugi rezervoar (16), projektiran da sadrži unaprijed definiranu količinu fluida koja dolazi iz cijevi (10) i da održava navedenu drugu unaprijed definiranu količinu fluida na drugoj vrijednosti (P2) pritiska koja je veća od unaprijed definirane vrijednosti (P) pritiska fluida kojeg transportira cijev (10), pri čemu su navedeni prvi rezervoar (14) i navedeni drugi rezervoar (16) konfigurirani da generiraju, tim redoslijedom, impuls negativnog pritiska, izazvan prolazom fluida iz cijevi (10) do navedenog prvog rezervoara (14), i impuls pozitivnog pritiska, izazvan prolaskom fluida iz navedenog drugog rezervoara (16) do cijevi (10); - najmanje jedan pretvarač (18) pritiska, projektiran da mjeri vrijednosti pritiska fluida i da konvertira navedene vrijednosti pritiska u odgovarajuće snimljene akustične signale (s(t)), - sustav nadzora koji pored toga sadrži najmanje jednu mjernu stanicu (22, 24) postavljenu duž cijevi i opremljenu jednim ili više vibroakustičnih senzora konfiguriranih da snimaju akustične signale (sA(t), sB(t)) koje generira jedan ili više uređaja (12) generatora impulsa pritiska.
2. Sustav prema patentnom zahtjevu 1, koji sadrži najmanje jedan par mjernih stanica (22, 24) postavljenih na unaprijed definiranoj udaljenosti duž cijevi (10) .
3. Sustav prema patentnom zahtjevu 1 ili 2, gdje svaki uređaj (12) generatora impulsa pritiska sadrži veći broj elektromagnetnih ventila (20) projektiranih da kontroliraju kretanje fluida kroz cijev (10) do uređaja (12) generatora impulsa pritiska i obrnuto.
4. Sustav prema bilo kojem od patentnih zahtjeva od 1 do 3, koji sadrži centraliziranu jedinicu za obradu koja je konfigurirana da obrađuje podatke koji dolaze od navedenog najmanje jednog uređaja (12) generatora impulsa pritiska i navedene najmanje jedne mjerne stanice (22, 24).
5. Postupak nadzora cijevi (10) korištenjem sustava prema bilo kojem od prethodnih patentnih zahtjeva, pri čemu postupak obuhvata sljedeće korake: - generiranje najmanje jednog akustičnog signala od strane odgovarajućeg uređaja (12) generatora impulsa pritiska; - prijem, od strane najmanje jedne mjerne stanice (22, 24), navedenog najmanje jednog akustičnog signala (sA(t), sB(t)) ; - filtriranje navedenog najmanje jednog akustičnog signala (sA(t), sB(t)), kako bi se održao navedeni najmanje jedan zvučni signal (sA(t), sB(t)) u unaprijed definiranom opsegu frekvencija, korisnom za dobivanje energije navedenog najmanje jednog akustičnog signala (sA(t), sB(t)); - povratna propagacija navedenog najmanje jednog akustičnog signala (sA(t), sB(t)) na odgovarajućem skupu točaka duž cijevi (10); - za svaku točku skupa, izvođenje unakrsne korelacije na pokretnom vremenskom periodu na navedenom najmanje jednom akustičnom signalu (sA(t), sB(t)) koji se povratno širi na način da se iz njih izvuče energetska vrijednost. - za svaku točku skupa, dobivanje integrala kao funkcije vremena vrijednosti energije dobivene u fazi unakrsne korelacije i primjena graničnog kriterija za aktiviranje mogućeg alarmnog signala, gdje skup energetskih vrijednosti integriran kao funkcija vremena formira mapu u odnosu na vrijeme i položaj duž cijevi na kojoj su moguće anomalije cijevi (10) predstavljene vrhovima navedenih energetskih vrijednosti.
6. Postupak prema patentnom zahtjevu 5, gdje dva različita akustična signala (sA(t), sB(t)) snimaju dvije mjerne stanice (22, 24) nakon aktiviranja uređaja (12) generatora impulsa pritiska, pri čemu navedena dva akustična signala (sA(t), sB(t)) primaju dvije susjedne mjerne stanice (22,24) postavljene na suprotnim krajevima A i B dionice (A-B) cijevi (10) unaprijed definirane dužine.
7. Postupak prema patentnom zahtjevu 6, gdje navedena dva akustična signala (sA(t), sB(t)) se povratno šire, tim redoslijedom, od točke A do točke B i od točke B do točke A navedene dionice (A-B) cijevi (10) na odgovarajućim skupovima točaka duž navedene dionice (A-B) cijevi (10).
8. Postupak prema patentnom zahtjevu 6 ili 7, gdje je integral kao funkcija vremena energetske vrijednosti, na generičkoj poziciji (x) duž navedene dionice (A-B) cijevi (10): [image] gdje - [image] je Furieova transformacija procijenjenog signala koji se generira u navedenoj generičkoj poziciji (x) pomoću povratne propagacije akustičnog signala (sA(t)) mjereno u točki A; - SA(f) je Furieova transformacija akustičnog signala sA(t), gdje je (f) frekvencija; - ŝCA(t) je inverzna Furieova transformacija od ŜCA(f); - [image] je Furieova transformacija procijenjenog signala koji se generira u navedenoj generičkoj poziciji (x) pomoću povratne propagacije akustičnog signala (sB(t)) mjereno u točki B; - SB(f) je Furieova transformacija akustičnog signala sB(t), gdje je (f) frekvencija; - ŝCB(t) je inverzna Furieova transformacija od ŜCB(f); - HAB(f) je funkcija prijenosa za prelaze pritiska koji se šire od točke A do točke B navedene dionice (A-B) cijevi (10); i - v je brzina zvuka unutar fluida koji teče od točke A do točke B navedene dionice (A-B) cijevi (10).
9. Postupak prema bilo kojem od patentnih zahtjeva 5 do 8, gdje na navedenom najmanje jednom akustičnom signalu (sA(t), sB(t)) najmanje jedna od sljedećih procedura se primjenjuje na osnovu pravca dolaska navedenog najmanje jednog akustičnog signala (sA(t), sB(t)): - prilagođeno filtriranje; - dekonvolucija; - adaptivno smanjenje šuma.
10. Postupak prema bilo kojem od patentnih zahtjeva 5 do 9, koji obuhvaća korak kalibracije sustava da bi se postavila vrijednost praga da bi se primijenio navedeni granični kriterij.
HRP20221026TT 2017-11-15 2018-11-14 Sustav i postupak daljinskog nadzora integriteta cijevi pod pritiskom pomoću vibroakustičnih izvora HRP20221026T1 (hr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT201700130593 2017-11-15
PCT/EP2018/081245 WO2019096854A1 (en) 2017-11-15 2018-11-14 System and method of remote monitoring of the integrity of pressurised pipes by means of vibroacoustic sources
EP18799561.8A EP3710804B1 (en) 2017-11-15 2018-11-14 System and method of remote monitoring of the integrity of pressurised pipes by means of vibroacoustic sources

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HRP20221026T1 true HRP20221026T1 (hr) 2022-11-11

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US (1) US11442043B2 (hr)
EP (1) EP3710804B1 (hr)
DK (1) DK3710804T3 (hr)
EA (1) EA202091008A1 (hr)
HR (1) HRP20221026T1 (hr)
HU (1) HUE059652T2 (hr)
PL (1) PL3710804T3 (hr)
RS (1) RS63560B1 (hr)
WO (1) WO2019096854A1 (hr)

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US11455445B2 (en) * 2018-08-20 2022-09-27 Halliburton Energy Services, Inc. Method and system for non-intrusively inspecting a fluidic channel

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TW295623B (hr) 1994-08-19 1997-01-11 Caldon Co
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PL3710804T3 (pl) 2022-11-14
WO2019096854A1 (en) 2019-05-23
RS63560B1 (sr) 2022-10-31
EP3710804B1 (en) 2022-08-03
HUE059652T2 (hu) 2022-12-28
DK3710804T3 (da) 2022-08-29
EA202091008A1 (ru) 2020-07-29
US11442043B2 (en) 2022-09-13
EP3710804A1 (en) 2020-09-23
US20200309741A1 (en) 2020-10-01

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