ATE510204T1 - Schmalband-infrarot- wasserfraktionierungsvorrichtung für gasquelle und flüssigkohlenwasserstoff- flusströmungsbenutzung - Google Patents
Schmalband-infrarot- wasserfraktionierungsvorrichtung für gasquelle und flüssigkohlenwasserstoff- flusströmungsbenutzungInfo
- Publication number
- ATE510204T1 ATE510204T1 AT01922408T AT01922408T ATE510204T1 AT E510204 T1 ATE510204 T1 AT E510204T1 AT 01922408 T AT01922408 T AT 01922408T AT 01922408 T AT01922408 T AT 01922408T AT E510204 T1 ATE510204 T1 AT E510204T1
- Authority
- AT
- Austria
- Prior art keywords
- flow stream
- liquid hydrocarbon
- water
- infrared light
- narrow band
- Prior art date
Links
Classifications
-
- 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
- G01N33/26—Oils; Viscous liquids; Paints; Inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
- G01N33/2835—Specific substances contained in the oils or fuels
- G01N33/2847—Water in oils
-
- 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
- G01N21/3577—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing liquids, e.g. polluted water
-
- 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
- G01N33/26—Oils; Viscous liquids; Paints; Inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
- G01N33/2823—Raw oil, drilling fluid or polyphasic mixtures
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Pathology (AREA)
- Immunology (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Physical Water Treatments (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/531,243 US6292756B1 (en) | 1998-02-26 | 2000-03-21 | Narrow band infrared water fraction apparatus for gas well and liquid hydrocarbon flow stream use |
| PCT/US2001/008354 WO2001071324A1 (en) | 2000-03-21 | 2001-03-15 | Narrow band infrared water fraction apparatus for gas well and liquid hydrocarbon flow stream use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE510204T1 true ATE510204T1 (de) | 2011-06-15 |
Family
ID=24116851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT01922408T ATE510204T1 (de) | 2000-03-21 | 2001-03-15 | Schmalband-infrarot- wasserfraktionierungsvorrichtung für gasquelle und flüssigkohlenwasserstoff- flusströmungsbenutzung |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6292756B1 (de) |
| EP (1) | EP1274988B1 (de) |
| AT (1) | ATE510204T1 (de) |
| AU (2) | AU4921501A (de) |
| CA (1) | CA2403616C (de) |
| NO (1) | NO335902B1 (de) |
| WO (1) | WO2001071324A1 (de) |
Families Citing this family (64)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7234524B2 (en) * | 2002-08-14 | 2007-06-26 | Baker Hughes Incorporated | Subsea chemical injection unit for additive injection and monitoring system for oilfield operations |
| US7132661B2 (en) * | 2000-08-28 | 2006-11-07 | Spectrasensors, Inc. | System and method for detecting water vapor within natural gas |
| US6657198B1 (en) * | 2000-08-28 | 2003-12-02 | Spectrasensors, Inc. | System and method for water vapor detection in natural gas |
| US6823271B1 (en) | 2003-06-30 | 2004-11-23 | The Boeing Company | Multi-phase flow meter for crude oil |
| US6945122B2 (en) * | 2003-06-30 | 2005-09-20 | The Boeing Company | Water cut meter for measurement of water in crude oil-magnetic |
| US7201068B2 (en) * | 2003-06-30 | 2007-04-10 | The Boeing Company | Water cut meter for measurement of water in crude oil |
| US7968287B2 (en) | 2004-10-08 | 2011-06-28 | Medical Research Council Harvard University | In vitro evolution in microfluidic systems |
| EP1864099A2 (de) * | 2004-10-28 | 2007-12-12 | SpectraSensors, Inc. | Messung von umweltparametern |
| JP4966208B2 (ja) * | 2005-02-18 | 2012-07-04 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 全有機炭素のための呼吸気検査 |
| US7233001B2 (en) | 2005-02-24 | 2007-06-19 | Weatherford/Lamb, Inc. | Multi-channel infrared optical phase fraction meter |
| US7834312B2 (en) | 2005-02-24 | 2010-11-16 | Weatherford/Lamb, Inc. | Water detection and 3-phase fraction measurement systems |
| GB2426579B (en) * | 2005-05-28 | 2008-01-16 | Schlumberger Holdings | Devices and methods for quantification of liquids in gas-condensate wells |
| WO2007081385A2 (en) | 2006-01-11 | 2007-07-19 | Raindance Technologies, Inc. | Microfluidic devices and methods of use in the formation and control of nanoreactors |
| US7940043B2 (en) * | 2006-03-13 | 2011-05-10 | William Marsh Rice University | NMR method of detecting precipitants in a hydrocarbon stream |
| US9116104B2 (en) * | 2006-03-22 | 2015-08-25 | Agar Corporation, Ltd. | Method and apparatus for detecting water in a fluid media |
| US20070259440A1 (en) * | 2006-04-19 | 2007-11-08 | Xin Zhou | Measuring low levels of methane in carbon dioxide |
| US7679059B2 (en) * | 2006-04-19 | 2010-03-16 | Spectrasensors, Inc. | Measuring water vapor in hydrocarbons |
| EP2530167A1 (de) | 2006-05-11 | 2012-12-05 | Raindance Technologies, Inc. | Mikrofluidische Vorrichtungen |
| US7401530B2 (en) * | 2006-05-11 | 2008-07-22 | Weatherford/Lamb, Inc. | Sonar based multiphase flowmeter |
| US9562837B2 (en) | 2006-05-11 | 2017-02-07 | Raindance Technologies, Inc. | Systems for handling microfludic droplets |
| US7511802B2 (en) * | 2006-05-26 | 2009-03-31 | Spectrasensors, Inc. | Measuring trace components of complex gases using gas chromatography/absorption spectrometry |
| US7880133B2 (en) * | 2006-06-01 | 2011-02-01 | Weatherford/Lamb, Inc. | Optical multiphase flowmeter |
| WO2008097559A2 (en) | 2007-02-06 | 2008-08-14 | Brandeis University | Manipulation of fluids and reactions in microfluidic systems |
| US7508521B2 (en) * | 2007-03-14 | 2009-03-24 | Spectrasensors, Inc. | Pressure-invariant trace gas detection |
| AU2008240146B2 (en) * | 2007-04-11 | 2013-10-17 | Spectrasensors, Inc. | Reactive gas detection in complex backgrounds |
| US8592221B2 (en) | 2007-04-19 | 2013-11-26 | Brandeis University | Manipulation of fluids, fluid components and reactions in microfluidic systems |
| US12038438B2 (en) | 2008-07-18 | 2024-07-16 | Bio-Rad Laboratories, Inc. | Enzyme quantification |
| EP4047367A1 (de) | 2008-07-18 | 2022-08-24 | Bio-Rad Laboratories, Inc. | Verfahren zum nachweis von zielanalyten unter verwendung von tropfenbibliotheken |
| US7957001B2 (en) * | 2008-10-10 | 2011-06-07 | Ge Infrastructure Sensing, Inc. | Wavelength-modulation spectroscopy method and apparatus |
| US7943915B2 (en) * | 2008-10-10 | 2011-05-17 | Ge Infrastructure Sensing, Inc. | Method of calibrating a wavelength-modulation spectroscopy apparatus |
| US9459216B2 (en) | 2009-01-05 | 2016-10-04 | En'urga, Inc. | Method for characterizing flame and spray structures in windowless chambers |
| US20100172471A1 (en) * | 2009-01-05 | 2010-07-08 | Sivathanu Yudaya R | Method and apparatus for characterizing flame and spray structure in windowless chambers |
| WO2010111231A1 (en) | 2009-03-23 | 2010-09-30 | Raindance Technologies, Inc. | Manipulation of microfluidic droplets |
| GB0909662D0 (en) | 2009-06-04 | 2009-07-22 | Cambridge Consultants | Device and method for determining the composition of a mixture of fluids |
| US9234420B2 (en) | 2009-12-18 | 2016-01-12 | Schlumberger Technology Corporation | Immersion probe using ultraviolet and infrared radiation for multi-phase flow analysis |
| US9399797B2 (en) | 2010-02-12 | 2016-07-26 | Raindance Technologies, Inc. | Digital analyte analysis |
| EP4484577A3 (de) | 2010-02-12 | 2025-03-26 | Bio-Rad Laboratories, Inc. | Digitale analytanalyse |
| US10351905B2 (en) | 2010-02-12 | 2019-07-16 | Bio-Rad Laboratories, Inc. | Digital analyte analysis |
| CN102822447B (zh) * | 2010-05-21 | 2016-04-13 | 哈里伯顿能源服务公司 | 探测井下环境中二氧化碳和硫化氢的方法和井下工具装置 |
| US9002650B2 (en) | 2010-08-20 | 2015-04-07 | Weatherford/Lamb, Inc. | Multiphase flow meter for subsea applications using hydrate inhibitor measurement |
| US9562897B2 (en) | 2010-09-30 | 2017-02-07 | Raindance Technologies, Inc. | Sandwich assays in droplets |
| CA2823716C (en) | 2011-01-04 | 2018-02-13 | Exxonmobil Upstream Research Company | Method and apparatus for a mid-infrared (mir) system for real time detection of petroleum in colloidal suspensions of sediments and drilling muds during drilling, logging, and production operations |
| EP3412778A1 (de) | 2011-02-11 | 2018-12-12 | Raindance Technologies, Inc. | Verfahren zur bildung gemischter tröpfchen |
| US9335195B2 (en) * | 2011-02-16 | 2016-05-10 | Baker Hughes Incorporated | Multiphase meter to provide data for production management |
| WO2012112804A1 (en) | 2011-02-18 | 2012-08-23 | Raindance Technoligies, Inc. | Compositions and methods for molecular labeling |
| EP3216872B1 (de) | 2011-06-02 | 2020-04-01 | Bio-Rad Laboratories, Inc. | Enzymquantifizierung |
| US8658430B2 (en) | 2011-07-20 | 2014-02-25 | Raindance Technologies, Inc. | Manipulating droplet size |
| US9383476B2 (en) | 2012-07-09 | 2016-07-05 | Weatherford Technology Holdings, Llc | In-well full-bore multiphase flowmeter for horizontal wellbores |
| US8686364B1 (en) | 2012-09-17 | 2014-04-01 | Jp3 Measurement, Llc | Method and system for determining energy content and detecting contaminants in a fluid stream |
| US11901041B2 (en) | 2013-10-04 | 2024-02-13 | Bio-Rad Laboratories, Inc. | Digital analysis of nucleic acid modification |
| US9944977B2 (en) | 2013-12-12 | 2018-04-17 | Raindance Technologies, Inc. | Distinguishing rare variations in a nucleic acid sequence from a sample |
| EP3722786B1 (de) * | 2014-03-31 | 2024-07-17 | Redshift Systems Corporation | Flüssigkeitsanalysator mit feedback-steuerung |
| US10643008B2 (en) | 2014-11-11 | 2020-05-05 | Spectrasensors, Inc. | Target analyte detection and quantification in sample gases with complex background compositions |
| CN104373121B (zh) * | 2014-11-12 | 2017-10-17 | 中国石油天然气股份有限公司 | 一种井下射线式含水监测仪 |
| US20160258877A1 (en) * | 2015-03-05 | 2016-09-08 | The Petroleum Institute | Online Measurement Of Black Powder In Gas And Oil Pipelines |
| US9279711B1 (en) | 2015-07-21 | 2016-03-08 | Eric Guldalian | Optical sensor for a conventional tank gauge |
| DE102016100864B4 (de) | 2015-07-31 | 2019-09-12 | Technische Universität Dresden | Verfahren zur Bestimmung des thermischen Zustandspunktes des Dampfs in Dampfturbinen sowie Messanordnung zur Durchführung des Verfahrens |
| US10647981B1 (en) | 2015-09-08 | 2020-05-12 | Bio-Rad Laboratories, Inc. | Nucleic acid library generation methods and compositions |
| WO2017068144A1 (en) * | 2015-10-23 | 2017-04-27 | Onesubsea Ip Uk Limited | Method and system for determining the production rate of fluids in a gas well |
| CN105675522A (zh) * | 2016-04-22 | 2016-06-15 | 青岛市光电工程技术研究院 | 一种原油含水率检测装置 |
| US10197546B2 (en) | 2016-12-09 | 2019-02-05 | Sergei Piltsov | Method and system for continuous monitoring of the water fraction in an oil well stream |
| US10914666B2 (en) * | 2018-03-19 | 2021-02-09 | Phase Dynamics, Inc. | Apparatus and method for validating the operation of a PPM analyzer |
| US11448536B2 (en) | 2019-10-16 | 2022-09-20 | Weatherford Technology Holdings, Llc | Measuring component concentrations of nonhomogeneous immiscible mixtures in multiphase flows using near-infrared (NIR) filter photometry |
| US12498319B2 (en) | 2023-05-12 | 2025-12-16 | Redshift Bioanalytics, Inc. | Matched optical filter |
Family Cites Families (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3783284A (en) | 1971-10-28 | 1974-01-01 | Texas Instruments Inc | Method and apparatus for detection of petroleum products |
| US4171918A (en) | 1976-12-27 | 1979-10-23 | Sentrol Systems Ltd. | Infrared moisture measuring apparatus |
| GB1588862A (en) | 1978-05-11 | 1981-04-29 | Standard Telephones Cables Ltd | Measuring oil in water |
| US4492862A (en) | 1981-08-07 | 1985-01-08 | Mathematical Sciences Northwest, Inc. | Method and apparatus for analyzing components of hydrocarbon gases recovered from oil, natural gas and coal drilling operations |
| US4490609A (en) | 1982-06-23 | 1984-12-25 | Schlumberger Technology Corporation | Method and apparatus for analyzing well fluids by photon irradiation |
| US4628204A (en) | 1984-08-16 | 1986-12-09 | S.A. Texaco Belgium N.V. | Optical method to study the stability of colloidal systems |
| GB2166234B (en) | 1984-10-27 | 1987-12-31 | Stc Plc | Detecting oil in water |
| US4649281A (en) | 1985-07-02 | 1987-03-10 | The United States Of America As Represented By The Secretary Of The Navy | Oil content monitor/control system |
| US4809543A (en) | 1987-09-25 | 1989-03-07 | Atlantic Richfield Company | Apparatus and method for monitoring one liquid in another |
| US4994671A (en) * | 1987-12-23 | 1991-02-19 | Schlumberger Technology Corporation | Apparatus and method for analyzing the composition of formation fluids |
| US5067345A (en) | 1988-07-05 | 1991-11-26 | Mougne Marcel L | Method and apparatus for measuring and calculating bulk water in crude oil or bulk water in steam |
| US4947129A (en) | 1988-12-05 | 1990-08-07 | Texaco Inc. | Petroleum stream microwave watercut monitor |
| US5105085A (en) | 1989-11-17 | 1992-04-14 | Mcguire Danny G | Fluid analysis system |
| US5035581A (en) | 1989-11-17 | 1991-07-30 | Mcguire Danny G | Fluid level monitoring and control system |
| US5107118A (en) | 1990-10-01 | 1992-04-21 | Uop | Measurement of water levels in liquid hydrocarbon media |
| RU2022933C1 (ru) | 1991-07-08 | 1994-11-15 | Научно-исследовательский и проектный институт по нефтепромысловой химии Научно-производственного объединения по химизации технологических процессов в нефтяной промышленности | Устройство для очистки нефтесодержащих сточных вод |
| EP0533333A3 (en) | 1991-09-19 | 1993-07-28 | Texaco Development Corporation | Optical photometry system |
| US5253198A (en) | 1991-12-20 | 1993-10-12 | Syracuse University | Three-dimensional optical memory |
| US5681749A (en) | 1992-03-27 | 1997-10-28 | Chevron U.S.A. Inc. | Controlling acid concentration in a hydrocarbon process |
| DE4211362C2 (de) | 1992-04-04 | 1995-04-20 | Berthold Lab Prof Dr | Vorrichtung zur Bestimmung von Materialparametern durch Mikrowellenmessungen |
| NL9320032A (nl) | 1992-05-22 | 1995-05-01 | Commw Scient Ind Res Org | Werkwijze en inrichting voor het meten van de massa-stroomsnelheden van vloeistofcomponenten in een multifase proppenstroom. |
| US5331156A (en) | 1992-10-01 | 1994-07-19 | Schlumberger Technology Corporation | Method of analyzing oil and water fractions in a flow stream |
| US5266800A (en) | 1992-10-01 | 1993-11-30 | Schlumberger Technology Corporation | Method of distinguishing between crude oils |
| US5452076A (en) | 1993-09-29 | 1995-09-19 | Optiguard, Inc. | Fluid detection system |
| US5576974A (en) | 1994-04-15 | 1996-11-19 | Texaco Inc. | Method and apparatus for determining watercut fraction and gas fraction in three phase mixtures of oil, water and gas |
| US5567318A (en) | 1995-08-31 | 1996-10-22 | Amcol International Corporation | Method of removing water-insoluble organic contaminants from an acidic aqueous stream |
| EP0795743A3 (de) | 1996-03-15 | 1998-02-25 | Japan Tobacco Inc. | Verfahren und Gerät zur Infrarot-Feuchtigkeitsmessung |
| US5689540A (en) | 1996-10-11 | 1997-11-18 | Schlumberger Technology Corporation | X-ray water fraction meter |
| US6076049A (en) * | 1998-02-26 | 2000-06-13 | Premier Instruments, Inc. | Narrow band infrared water cut meter |
-
2000
- 2000-03-21 US US09/531,243 patent/US6292756B1/en not_active Expired - Lifetime
-
2001
- 2001-03-15 WO PCT/US2001/008354 patent/WO2001071324A1/en not_active Ceased
- 2001-03-15 CA CA2403616A patent/CA2403616C/en not_active Expired - Lifetime
- 2001-03-15 AT AT01922408T patent/ATE510204T1/de not_active IP Right Cessation
- 2001-03-15 AU AU4921501A patent/AU4921501A/xx active Pending
- 2001-03-15 EP EP01922408A patent/EP1274988B1/de not_active Expired - Lifetime
- 2001-03-15 AU AU2001249215A patent/AU2001249215B2/en not_active Expired
-
2002
- 2002-09-18 NO NO20024463A patent/NO335902B1/no not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| US6292756B1 (en) | 2001-09-18 |
| AU4921501A (en) | 2001-10-03 |
| NO335902B1 (no) | 2015-03-16 |
| AU2001249215B2 (en) | 2005-06-23 |
| EP1274988A4 (de) | 2006-11-02 |
| CA2403616C (en) | 2012-09-25 |
| WO2001071324A1 (en) | 2001-09-27 |
| EP1274988B1 (de) | 2011-05-18 |
| CA2403616A1 (en) | 2001-09-27 |
| NO20024463D0 (no) | 2002-09-18 |
| NO20024463L (no) | 2002-11-20 |
| EP1274988A1 (de) | 2003-01-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |