DK2909598T3 - Fremgangsmåder til gaslækagedetektering og lokalisering i befolkede områder under anvendelse af horisontalanalyse - Google Patents
Fremgangsmåder til gaslækagedetektering og lokalisering i befolkede områder under anvendelse af horisontalanalyse Download PDFInfo
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- DK2909598T3 DK2909598T3 DK13847836.7T DK13847836T DK2909598T3 DK 2909598 T3 DK2909598 T3 DK 2909598T3 DK 13847836 T DK13847836 T DK 13847836T DK 2909598 T3 DK2909598 T3 DK 2909598T3
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- gas
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- leak
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- 238000005259 measurement Methods 0.000 claims description 110
- 238000004458 analytical method Methods 0.000 claims description 46
- 238000000034 method Methods 0.000 claims description 33
- 238000001514 detection method Methods 0.000 claims description 21
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- 230000006870 function Effects 0.000 claims description 8
- 230000008689 nuclear function Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 description 89
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 57
- 238000013459 approach Methods 0.000 description 19
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 10
- 238000010521 absorption reaction Methods 0.000 description 10
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- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 5
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Classifications
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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
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/02—Mechanical
- G01N2201/025—Mechanical control of operations
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- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Combustion & Propulsion (AREA)
- Examining Or Testing Airtightness (AREA)
Claims (12)
1. Fremgangsmåde til gaslækagedetektering og -lokalisering, hvilken fremgangsmåde omfatter: udførelse af én eller flere gaskoncentrationsmålinger ud fra et gasmålingsinstrument (104), som transporteres af et køretøj eller en mobil enhed (102), der kører frem langs mindst ét perronspor (106), som er anbragt nær ved én eller flere potentielle gaslækagelokaliteter; udførelse af en automatisk horisontal rumlig skalaanalyse af gaskoncentrationsmålingerne; automatisk bestemmelse af, hvorvidt der forekommer en gaslækage på én eller flere af de potentielle gaslækagelokaliteter eller ej baseret på den automatiske horisontale rumlige skalaanalyse; og tilvejebringelse af en lækageindikation på de potentielle gaslækagelokaliteter over for en slutbruger; kendetegnet ved, at den horisontale rumlige skalaanalyse er responderbar på halvspidsværdibredder for gaskoncentration i et detekteringsinterval fra ca. 1 m til ca. 50 m og i det væsentlige ikke er responderbar på halvværdibredder for gaskoncentration uden for detekteringsintervallet, hvor f(x) er målt gaskoncentration som funktion af position x, hvor g(x,w) er en Gauss-kernefunktion med en rumlig skala specificeret med parameter w, hvor L(x,w) er en foldning af f(x) og g(x,w), og hvor kandidatgaskoncentrationsspidsværdier identificeres ved at lokalisere én eller flere lokale maksima for F(x, w)=-w(d2Z_(x, wj/dw2) med hensyn til både x og w.
2. Fremgangsmåde ifølge krav 1, hvor F(x,w) kun udregnes over et w-interval, der svarer til detekteringsintervallet.
3. Fremgangsmåde ifølge krav 1, hvor lækageindikationen opnås ved at sammenligne værdier for F(x,w) ved de lokale maksima med en forudbestemt tærskelværdi.
4. Fremgangsmåde ifølge krav 1, hvor et lokalt maksimum for F(x,w) har koordinater x og w, og hvor tilsvarende spidsværdipositions- og -breddeestimater henholdsvis xo og wo angives med xo = x og
5. Fremgangsmåde ifølge krav 1, hvor gaskoncentrationsmålingerne foretages ved et niveau på 0,2 Hz eller derover, og hvilken fremgangsmåde endvidere omfatter: måling af position for køretøjet eller den mobile enhed (102) ved et niveau på 0,2 Hz eller derover med henblik på at tilvejebringe målte perronpositioner; og kombination af køretøjets eller den mobile enheds målte positioner med gaskoncentrationsmålingerne med henblik på at tilvejebringe gaskoncentrationsdata over for positionsdata for den automatiske horisontale rumlige skalaanalyse.
6. Fremgangsmåde ifølge krav 1, der endvidere omfatter: udførelse af én eller flere tracermålinger ud fra gasmålingsinstrumentet (104), som transporteres af et køretøj eller en mobil enhed (102), efterhånden som det/den kører frem langs det mindst ene perronspor (106); hvor den automatiske bestemmelse af, hvorvidt der forekommer en gaslækage på de potentielle gaslækagelokaliteter eller ej også er baseret på tracermålingerne.
7. Fremgangsmåde ifølge krav 6, hvor den ene eller flere tracermålinger er i stand til at skelne mellem forskellige kilder til den gas, der måles via gaskoncentrationsmålingerne.
8. Fremgangsmåde ifølge krav 7, hvor den ene eller flere tracermålinger indbefatter målinger af isotopforhold.
9. Fremgangsmåde ifølge krav 1, der endvidere omfatter udførelse af én eller flere af gaskoncentrationsmålingerne på to eller flere tværgående adskilte lokaliteter på køretøjet eller den mobile enhed (102), efterhånden som det/den kører frem langs det mindst ene perronspor (106); udførelse af en automatisk tværgående rumlig skalaanalyse af gaskoncentrationsmålingerne; hvor den automatiske bestemmelse af, hvorvidt der forekommer en gaslækage på de potentielle gaslækagelokaliteter eller ej også er baseret på den automatiske tværgående rumlige skalaanalyse.
10. Fremgangsmåde ifølge krav 1, der endvidere omfatter tilvejebringelse af et display, som viser et kort med lækagefigurer (704, 708, 710), der er overlejret på kortet, med henblik på at vise detekterede lækager, hvor lækagefigurerne (704, 708, 710) indbefatter markører, som viser lokaliteterne for detekterede lækager, og hvor lækagefigurernes (704, 708, 710) størrelse er skaleret med en forskel mellem den målte koncentration og et lokalt baggrundsniveau.
11. Fremgangsmåde ifølge krav 1, der endvidere omfatter tilvejebringelse af et display, som viser et kort med lækagefigurer (704, 708, 710), der er overlejret på kortet, med henblik på at vise detekterede lækager, hvor lækagefigurerne (704, 708, 710) indbefatter markører, som viser lokaliteterne for detekterede lækager, og hvor lækagefigurernes (704, 708, 710) størrelse er skaleret med den målte koncentration.
12. Fremgangsmåde ifølge krav 1, der endvidere omfatter tilvejebringelse af et display, som viser et kort med lækagefigurer (704, 708, 710), der er overlejret på kortet, med henblik på at vise detekterede lækager, hvor lækagefigurernes (704, 708, 710) størrelse er skaleret med målt rumlig bredde af lækagen.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/656,080 US9482591B2 (en) | 2011-10-20 | 2012-10-19 | Methods for gas leak detection and localization in populated areas using horizontal analysis |
| PCT/US2013/065709 WO2014063069A1 (en) | 2012-10-19 | 2013-10-18 | Methods for gas leak detection and localization in populated areas using horizontal analysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK2909598T3 true DK2909598T3 (da) | 2018-10-08 |
Family
ID=50488947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK13847836.7T DK2909598T3 (da) | 2012-10-19 | 2013-10-18 | Fremgangsmåder til gaslækagedetektering og lokalisering i befolkede områder under anvendelse af horisontalanalyse |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9482591B2 (da) |
| EP (1) | EP2909598B1 (da) |
| JP (1) | JP6326419B2 (da) |
| CN (1) | CN104736987B (da) |
| DK (1) | DK2909598T3 (da) |
| ES (1) | ES2687548T3 (da) |
| WO (1) | WO2014063069A1 (da) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9500556B2 (en) * | 2011-10-20 | 2016-11-22 | Picarro, Inc. | Methods for gas leak detection and localization in populated areas using multi-point analysis |
| US9739758B2 (en) * | 2011-10-20 | 2017-08-22 | Picarro, Inc. | Methods for gas leak detection and localization in populated areas using isotope ratio measurements |
| US10598562B2 (en) | 2014-11-21 | 2020-03-24 | Picarro Inc. | Gas detection systems and methods using measurement position uncertainty representations |
| US10386258B1 (en) * | 2015-04-30 | 2019-08-20 | Picarro Inc. | Systems and methods for detecting changes in emission rates of gas leaks in ensembles |
| CN105114821B (zh) * | 2015-10-19 | 2017-10-03 | 叶雷 | 埋地金属管线渗漏检测方法 |
| KR102407323B1 (ko) * | 2015-11-11 | 2022-06-10 | 삼성전자 주식회사 | 전자 장치 및 가스 센서의 활용 방법 |
| US10732014B2 (en) | 2016-12-20 | 2020-08-04 | Picarro, Inc. | Emission quantification using a line scan of gas concentration data |
| US10400583B1 (en) * | 2016-12-22 | 2019-09-03 | Petra Analytics, Llc | Methods and systems for spatial change indicator analysis |
| WO2018125119A1 (en) * | 2016-12-29 | 2018-07-05 | Halliburton Energy Services, Inc. | Discrete emissions detection for a site |
| KR102586462B1 (ko) * | 2017-02-17 | 2023-10-11 | 닛토덴코 가부시키가이샤 | 가스 센싱 요소 및 그 제조 방법 |
| US10948471B1 (en) | 2017-06-01 | 2021-03-16 | Picarro, Inc. | Leak detection event aggregation and ranking systems and methods |
| US10962437B1 (en) | 2017-06-27 | 2021-03-30 | Picarro, Inc. | Aggregate leak indicator display systems and methods |
| CN108535414B (zh) * | 2018-04-03 | 2020-01-10 | 北京戴纳实验科技有限公司 | 轨道式巡检系统 |
| CN109630902B (zh) * | 2018-12-07 | 2021-04-20 | 深圳市燃气集团股份有限公司 | 一种天然气管网泄露探测方法、存储介质及终端设备 |
| CN110242865B (zh) * | 2019-07-09 | 2020-05-08 | 北京讯腾智慧科技股份有限公司 | 一种易于持续优化的燃气泄漏检测判定方法及系统 |
| CN110398320B (zh) * | 2019-07-09 | 2020-11-20 | 北京讯腾智慧科技股份有限公司 | 一种易于持续优化的燃气泄漏检测定位方法及系统 |
| US11846747B2 (en) | 2019-08-23 | 2023-12-19 | Abb Schweiz Ag | Gas sampling instruments and methods |
| CA3155399A1 (en) * | 2019-11-22 | 2021-05-27 | Wenfeng Peng | Computer systems and methods for estimating changes in fugitive emissions |
| US11307137B2 (en) | 2019-11-22 | 2022-04-19 | Abb Schweiz Ag | Systems and methods for locating sources of fugitive gas emissions |
| CN111257519A (zh) * | 2020-03-18 | 2020-06-09 | 南京工业大学 | 基于传感器阵列与脉冲响应原理的建筑空间中泄漏源识别装置及方法 |
| US11761590B2 (en) | 2020-10-06 | 2023-09-19 | Abb Schweiz Ag | Technologies for producing efficient investigation routes for identifying gas leak locations |
| US11619562B2 (en) | 2020-10-06 | 2023-04-04 | Abb Schweiz Ag | Systems and methods for efficiently identifying gas leak locations |
| CN114441513B (zh) * | 2020-11-03 | 2024-02-09 | 中国石油化工股份有限公司 | 一种含硫化氢设备泄漏扩散距离的估算方法 |
| CN113551159B (zh) * | 2021-09-22 | 2021-12-03 | 天津泰达滨海清洁能源集团有限公司 | 厌氧环境下埋地燃气管道泄漏的判别方法 |
| CA3241188A1 (en) * | 2022-01-10 | 2023-07-13 | Michael James THORPE | Apparatuses, systems, and methods for determining gas emssion rate detection sensitivity and gas flow speed using remote gas concentration measurements |
Family Cites Families (41)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6142103Y2 (da) * | 1979-09-22 | 1986-11-29 | ||
| US4524607A (en) * | 1982-04-05 | 1985-06-25 | Science Applications International Corporation | System and method for locating leaking tubes |
| US4489239A (en) | 1982-09-24 | 1984-12-18 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Portable remote laser sensor for methane leak detection |
| US4690689A (en) | 1983-03-02 | 1987-09-01 | Columbia Gas System Service Corp. | Gas tracer composition and method |
| US5297421A (en) | 1991-03-05 | 1994-03-29 | Mitsui Toatsu Chemicals, Inc. | Leak detection system for gas, steam or the like that involves multi-point sampling |
| JPH07280697A (ja) * | 1994-04-15 | 1995-10-27 | Tokyo Gas Co Ltd | 光反射式遠隔ガス検知装置 |
| JPH09236506A (ja) * | 1996-03-01 | 1997-09-09 | Osaka Gas Co Ltd | ガス漏れ探知装置 |
| US5946095A (en) | 1996-03-08 | 1999-08-31 | Gas Research Institute | Natural gas detection apparatus and method operable in a moving vehicle |
| AU2688999A (en) | 1998-02-20 | 1999-09-06 | Matt Emmons | Apparatus and method for the measurement of global carbon emissions from naturaland anthropogenic sources |
| GB9912332D0 (en) | 1999-05-27 | 1999-07-28 | British Gas Plc | Portable apparatus and method for tracing a gas leak |
| US6750467B2 (en) | 2002-05-14 | 2004-06-15 | John Tulip | Vehicle mounted gas detector |
| US6750453B1 (en) | 2002-05-25 | 2004-06-15 | Ophir Corporation | Methods of and apparatus for detecting low concentrations of target gases in the free atmosphere |
| RU2003103111A (ru) * | 2003-02-04 | 2004-08-20 | ООО МП Милак (RU) | Способ контроля аварийной загазованности пространства, предотвращения взрывов экстренным разгазированием, локализацией взрыва и устройство для его осуществления |
| US20040263852A1 (en) | 2003-06-03 | 2004-12-30 | Lasen, Inc. | Aerial leak detector |
| CA2476902C (en) | 2003-08-20 | 2014-04-22 | Dennis S. Prince | Innovative gas monitoring with spacial and temporal analysis |
| US6822742B1 (en) | 2003-12-19 | 2004-11-23 | Eastman Kodak Company | System and method for remote quantitative detection of fluid leaks from a natural gas or oil pipeline |
| US7704746B1 (en) | 2004-05-13 | 2010-04-27 | The United States Of America As Represented By The United States Department Of Energy | Method of detecting leakage from geologic formations used to sequester CO2 |
| US7375814B2 (en) | 2005-03-11 | 2008-05-20 | Sandia Corporation | Natural gas leak mapper |
| US7075653B1 (en) | 2005-04-29 | 2006-07-11 | Heath Consultants Incorporated | Method and apparatus for laser-based remote methane leak detection |
| CN1696629A (zh) * | 2005-06-20 | 2005-11-16 | 江苏工业学院 | 一种油气管道泄漏监测方法及其装置 |
| US7260507B2 (en) | 2005-09-09 | 2007-08-21 | Itt Manufacturing Enterprises, Inc. | Method for improving the performance accuracy in differential absorption lidar for oil and gas pipeline leak detection and quantification |
| WO2008001105A1 (en) | 2006-06-30 | 2008-01-03 | Bae Systems Plc | Sensor system for estimating varying field |
| CN1936413A (zh) * | 2006-09-29 | 2007-03-28 | 淄博思科光电科技有限公司 | 一种地下管线泄漏检测方法及其装置 |
| US20080168826A1 (en) | 2007-01-17 | 2008-07-17 | Motorola, Inc. | Method and system for gas leak detection and localization |
| JP5252533B2 (ja) * | 2007-08-08 | 2013-07-31 | 四国電力株式会社 | 車載型漏洩ガス検知システムおよび方法 |
| US7710568B1 (en) | 2007-09-28 | 2010-05-04 | Southwest Sciences Incorporated | Portable natural gas leak detector |
| CN101178153A (zh) * | 2007-12-07 | 2008-05-14 | 中国科学技术大学 | 新型城市天然气管道泄漏检测定位方法及系统 |
| US8390813B2 (en) | 2008-05-02 | 2013-03-05 | Los Alamos National Security, Llc | Apparatus and method for monitoring of gas having stable isotopes |
| CA2728631C (en) * | 2008-06-25 | 2017-07-04 | Shell Internationale Research Maatschappij B.V. | Method and system for screening an area of the atmosphere for sources of emissions |
| US8781755B2 (en) | 2008-10-08 | 2014-07-15 | Golder Associates Ltd. | Fugitive emission flux measurement |
| JP5448045B2 (ja) * | 2009-04-01 | 2014-03-19 | 独立行政法人海上技術安全研究所 | 漏洩ｃｏ２検出方法及び漏洩ｃｏ２検出装置、地中貯留ｃｏ２の漏洩モニタリング方法 |
| CN101561081B (zh) * | 2009-05-18 | 2012-08-22 | 中国地质大学（武汉） | 应用自主导航机器人对油气管道泄漏的检测定位方法 |
| GB0916000D0 (en) | 2009-09-11 | 2009-10-28 | Selex Sensors & Airborne Sys | Sensing network and method |
| CA2681681A1 (en) | 2009-10-06 | 2010-06-08 | Colin Irvin Wong | Mapping concentrations of airborne matter |
| US9056366B2 (en) * | 2010-05-21 | 2015-06-16 | Illinois Tool Works Inc. | Welding gas leak detection system and method |
| IT1401884B1 (it) | 2010-10-06 | 2013-08-28 | Tea Sistemi S P A | Metodo per quantificare un flusso di gas fuggitivo mediante misure verticali di concentrazione |
| US9435782B2 (en) | 2011-01-20 | 2016-09-06 | Trimble Navigation Limited | Landfill gas surface monitor and methods |
| EP2503323A3 (de) | 2011-03-23 | 2012-12-19 | Helmholtz-Zentrum Potsdam Deutsches GeoForschungsZentrum - GFZ | Vorrichtung und Verfahren zur Messung der räumlichen Verteilung von atmosphärischen Gasen in Bodennähe |
| US9618417B2 (en) * | 2011-10-20 | 2017-04-11 | Picarro, Inc. | Methods for gas leak detection and localization in populated areas using isotope ratio measurements |
| US9739758B2 (en) * | 2011-10-20 | 2017-08-22 | Picarro, Inc. | Methods for gas leak detection and localization in populated areas using isotope ratio measurements |
| US9500556B2 (en) * | 2011-10-20 | 2016-11-22 | Picarro, Inc. | Methods for gas leak detection and localization in populated areas using multi-point analysis |
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2012
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2013
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- 2013-10-18 CN CN201380054787.3A patent/CN104736987B/zh active Active
- 2013-10-18 JP JP2015538062A patent/JP6326419B2/ja active Active
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| WO2014063069A1 (en) | 2014-04-24 |
| US20140032160A1 (en) | 2014-01-30 |
| JP6326419B2 (ja) | 2018-05-16 |
| CN104736987B (zh) | 2019-04-16 |
| US9482591B2 (en) | 2016-11-01 |
| EP2909598A4 (en) | 2016-06-22 |
| ES2687548T3 (es) | 2018-10-25 |
| JP2015532436A (ja) | 2015-11-09 |
| CN104736987A (zh) | 2015-06-24 |
| EP2909598A1 (en) | 2015-08-26 |
| EP2909598B1 (en) | 2018-07-04 |
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