RU2004139036A - Способ и устройство для флуроресцентной спектрометрии в скважине - Google Patents

Способ и устройство для флуроресцентной спектрометрии в скважине Download PDF

Info

Publication number
RU2004139036A
RU2004139036A RU2004139036/03A RU2004139036A RU2004139036A RU 2004139036 A RU2004139036 A RU 2004139036A RU 2004139036/03 A RU2004139036/03 A RU 2004139036/03A RU 2004139036 A RU2004139036 A RU 2004139036A RU 2004139036 A RU2004139036 A RU 2004139036A
Authority
RU
Russia
Prior art keywords
fluid
fluorescence
item
radiation
sample
Prior art date
Application number
RU2004139036/03A
Other languages
English (en)
Other versions
RU2323457C2 (ru
Inventor
Рокко ДИФОДЖИО (US)
Рокко Дифоджио
Арнолд УАЛКОУ (US)
Арнолд Уалкоу
Пол БЕРГРЕН (US)
Пол Бергрен
Луис ПЕРЕС (US)
Луис ПЕРЕС
Original Assignee
Бейкер Хьюз Инкорпорейтед (Us)
Бейкер Хьюз Инкорпорейтед
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Бейкер Хьюз Инкорпорейтед (Us), Бейкер Хьюз Инкорпорейтед filed Critical Бейкер Хьюз Инкорпорейтед (Us)
Publication of RU2004139036A publication Critical patent/RU2004139036A/ru
Application granted granted Critical
Publication of RU2323457C2 publication Critical patent/RU2323457C2/ru

Links

Classifications

    • 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
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/645—Specially adapted constructive features of fluorimeters
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
    • E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/06—Scanning arrangements arrangements for order-selection
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/12—Generating the spectrum; Monochromators
    • G01J3/26—Generating the spectrum; Monochromators using multiple reflection, e.g. Fabry-Perot interferometer, variable interference filters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/42—Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry
    • G01J3/433—Modulation spectrometry; Derivative spectrometry
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/44—Raman spectrometry; Scattering spectrometry ; Fluorescence spectrometry
    • G01J3/4406—Fluorescence spectrometry
    • 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
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • 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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/85—Investigating moving fluids or granular solids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/0202—Mechanical elements; Supports for optical elements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/0262—Constructional arrangements for removing stray light
    • 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
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N2021/6417—Spectrofluorimetric devices
    • 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
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N2021/6417—Spectrofluorimetric devices
    • G01N2021/6421—Measuring at two or more wavelengths
    • 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
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/6428—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
    • G01N2021/6439—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes" with indicators, stains, dyes, tags, labels, marks
    • 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
    • G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64—Fluorescence; Phosphorescence
    • G01N21/645—Specially adapted constructive features of fluorimeters
    • G01N2021/6482—Sample cells, cuvettes
    • 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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/85—Investigating moving fluids or granular solids
    • G01N21/8507—Probe photometers, i.e. with optical measuring part dipped into fluid sample
    • G01N2021/855—Underground probe, e.g. with provision of a penetration tool
    • 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
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • G01N21/03—Cuvette constructions
    • G01N21/0317—High pressure cuvettes

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Geology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Mining & Mineral Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)

Claims (22)

1. Скважинное устройство для флуоресцентной спектрометрии, предназначенное для измерения флуоресценции находящегося в скважине флюида и содержащее окошко, которое пропускает направляемый на флюид и идущий от флюида свет, источник ультрафиолетового (УФ) излучения для облучения флюида и фотоприемник, оптически связанный с анализируемой пробой флюида для измерения ее оптических спектров.
2. Устройство по п.1, в котором для определения плотности флюида в градусах Американского института нефти (API) измеряется длина волны максимума флуоресценции.
3. Устройство по п.1, содержащее светодиодный источник УФ-излучения.
4. Устройство по п.3, в котором источник УФ-излучения содержит матрицу из УФ-светодиодов.
5. Устройство по п.1, дополнительно содержащее вещество-индикатор, добавляемое в фильтрат для определения чистоты пробы нефти в отношении содержания фильтрата путем регистрации степени присутствия вещества-индикатора в анализируемой пробе.
6. Устройство по п.5, в котором вещество-индикатор флуоресцирует в красной или инфракрасной области спектра.
7. Устройство по п.1, дополнительно содержащее устройство для понижения давления, действующего на пробу флюида, и процессор для определения давления образования отложений асфальтенов на основании изменения соотношения интенсивности флуоресценции в голубой и зеленой областях спектра по характеристике понижения давления.
8. Устройство по п.1, в котором на каждый канал предусмотрена поправочная формула с поправочным коэффициентом, учитывающим зависимость измеренной флуоресценции от температуры.
9. Устройство по п.1, в котором используется поправочный коэффициент, учитывающий уменьшение силы света светодиодного источника УФ-излучения при повышении температуры.
10. Устройство по п.1, в котором используется поправочный коэффициент, учитывающий различия коэффициентов усиления каналов.
11. Устройство по п.1, дополнительно содержащее процессор для контроля чистоты пробы флюида на основании спектров флуоресценции.
12. Способ проведения флуоресцентной спектрометрии в скважине, заключающийся в том, что пластовый флюид облучают ультрафиолетовым (УФ) излучением через окошко, пропускающее направляемый на флюид и идущий от флюида свет, и измеряют оптические спектры анализируемой пробы флюида для определения ее представляющей интерес характеристики.
13. Способ по п.12, в котором на основании максимума флуоресценции пробы флюида определяют плотность флюида в градусах Американского института нефти (API).
14. Способ по п.12, в котором используют светодиодный источник УФ-излучения.
15. Способ по п.12, в котором в качестве светодиодного источника УФ-излучения используют матрицу из УФ-светодиодов.
16. Способ по п.12, в котором используют вещество-индикатор, добавляемое в фильтрат для определения чистоты пробы нефти в отношении содержания фильтрата путем регистрации степени присутствия вещества-индикатора в анализируемой пробе.
17. Способ по п.16, в котором вещество-индикатор флуоресцирует в красной или инфракрасной области спектра.
18. Способ по п.12, в котором понижают давление, действующее на пробу флюида, и на основании изменения соотношения интенсивности флуоресценции в голубой и зеленой областях спектра по характеристике понижения давления определяют давление образования отложений асфальтенов.
19. Способ по п.12, в котором для каждого канала применяют поправочную формулу с поправочным коэффициентом, учитывающим зависимость измеренной флуоресценции от температуры.
20. Способ по п.12, в котором используют поправочный коэффициент, учитывающий уменьшение силы света светодиодного источника УФ-излучения при повышении температуры.
21. Способ по п.12, в котором используют поправочный коэффициент, учитывающий различия коэффициентов усиления каналов.
22. Способ по п.12, в котором на основании спектров флуоресценции контролируют чистоту проб.
RU2004139036/28A 2003-08-14 2004-08-12 Способ и устройство для флуоресцентной спектрометрии в скважине RU2323457C2 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/641,327 2003-08-14
US10/641,327 US7084392B2 (en) 2002-06-04 2003-08-14 Method and apparatus for a downhole fluorescence spectrometer

Publications (2)

Publication Number Publication Date
RU2004139036A true RU2004139036A (ru) 2006-01-27
RU2323457C2 RU2323457C2 (ru) 2008-04-27

Family

ID=34193608

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2004139036/28A RU2323457C2 (ru) 2003-08-14 2004-08-12 Способ и устройство для флуоресцентной спектрометрии в скважине

Country Status (4)

Country Link
US (1) US7084392B2 (ru)
BR (1) BRPI0405639B1 (ru)
RU (1) RU2323457C2 (ru)
WO (1) WO2005017316A1 (ru)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7705982B2 (en) 2006-08-14 2010-04-27 Schlumberger Technology Corporation Methods and apparatus for analyzing fluid properties of emulsions using fluorescence spectroscopy
RU2643391C2 (ru) * 2012-01-12 2018-02-01 Шлюмбергер Текнолоджи Б.В. Содержание асфальтенов в тяжелой нефти

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070081157A1 (en) * 2003-05-06 2007-04-12 Baker Hughes Incorporated Apparatus and method for estimating filtrate contamination in a formation fluid
US7782460B2 (en) * 2003-05-06 2010-08-24 Baker Hughes Incorporated Laser diode array downhole spectrometer
US8093893B2 (en) * 2004-03-18 2012-01-10 Baker Hughes Incorporated Rock and fluid properties prediction from downhole measurements using linear and nonlinear regression
US9518955B2 (en) 2005-12-12 2016-12-13 Advanced Analytical Technologies, Inc. Capillary electrophoresis fluorescent detection system
US7458257B2 (en) * 2005-12-19 2008-12-02 Schlumberger Technology Corporation Downhole measurement of formation characteristics while drilling
KR100789724B1 (ko) * 2006-02-14 2008-01-02 한국과학기술연구원 형광빛 측정에 의한 오일 산화도 실시간 모니터링방법 및장치
US7765776B1 (en) * 2006-10-19 2010-08-03 Medco Health Solutions, Inc. Systems and methods for dispensing pharmaceutical/medical product and branding pharmaceutical/medical containers
US7687770B2 (en) * 2007-01-19 2010-03-30 Schlumberger Technology Corporation Methods and apparatus for multi dimension fluorescence spectrum measurement downhole
US7687769B2 (en) * 2007-01-19 2010-03-30 Schlumberger Technology Corporation Methods and apparatus for multi dimension fluorescence spectrum measurement and correlations downhole
US7502691B2 (en) * 2007-07-31 2009-03-10 Baker Hughes Incorporated Method and computer program product for determining a degree of similarity between well log data
US20090066959A1 (en) * 2007-09-07 2009-03-12 Baker Hughes Incorporated Apparatus and Method for Estimating a Property of a Fluid in a Wellbore Using Photonic Crystals
US20090087911A1 (en) * 2007-09-28 2009-04-02 Schlumberger Technology Corporation Coded optical emission particles for subsurface use
US20090087912A1 (en) * 2007-09-28 2009-04-02 Shlumberger Technology Corporation Tagged particles for downhole application
US7733490B2 (en) * 2007-11-16 2010-06-08 Schlumberger Technology Corporation Apparatus and methods to analyze downhole fluids using ionized fluid samples
US8230916B2 (en) * 2007-11-16 2012-07-31 Schlumberger Technology Corporation Apparatus and methods to analyze downhole fluids using ionized fluid samples
US20090151939A1 (en) * 2007-12-13 2009-06-18 Schlumberger Technology Corporation Surface tagging system with wired tubulars
US8172007B2 (en) * 2007-12-13 2012-05-08 Intelliserv, LLC. System and method of monitoring flow in a wellbore
US8032311B2 (en) 2008-05-22 2011-10-04 Baker Hughes Incorporated Estimating gas-oil ratio from other physical properties
US20100163718A1 (en) * 2008-12-30 2010-07-01 Baker Hughes Incorporated Method and apparatus for increasing the efficiency of a fluorescence measurement cell
WO2011063086A1 (en) 2009-11-19 2011-05-26 Halliburton Energy Services, Inc. Downhole optical radiometry tool
US8306762B2 (en) * 2010-01-25 2012-11-06 Baker Hughes Incorporated Systems and methods for analysis of downhole data
CN102884423B (zh) * 2010-02-10 2015-06-03 斯伦贝谢挪威公司 X射线荧光分析器
US8952319B2 (en) * 2010-03-04 2015-02-10 University Of Utah Research Foundation Downhole deployable tools for measuring tracer concentrations
US8411262B2 (en) 2010-09-30 2013-04-02 Precision Energy Services, Inc. Downhole gas breakout sensor
US8542353B2 (en) 2010-09-30 2013-09-24 Precision Energy Services, Inc. Refractive index sensor for fluid analysis
RU2486337C1 (ru) * 2012-08-24 2013-06-27 Открытое акционерное общество "Татнефть" им. В.Д. Шашина Способ определения продуктивности пласта в процессе бурения скважины
US8908166B2 (en) * 2012-12-20 2014-12-09 Schlumber Technology Corporation Methods and apparatus for downhole fluid analysis
EP3049791B1 (en) * 2013-09-24 2020-04-15 GE Healthcare Bio-Sciences AB Optical absorption monitor system
WO2016072976A1 (en) * 2014-11-04 2016-05-12 Halliburton Energy Services, Inc. Gas phase detection of downhole fluid sample components
US20170298726A1 (en) * 2014-11-24 2017-10-19 Halliburton Energy Services, Inc. Analyzing Drill Cuttings Using Ultraviolet Oil Fluorescence
SG11201705472SA (en) * 2015-01-05 2017-08-30 Saudi Arabian Oil Co Characterization of crude oil and its fractions by fluorescence spectroscopy analysis
DE102015118175A1 (de) * 2015-10-23 2017-04-27 Marc Breit Vorrichtung zur Emission elektromagnetischer Strahlung, insbesondere UV-Strahlung
US10326032B2 (en) 2016-05-10 2019-06-18 Baker Hughes, A Ge Company, Llc Graphene tunneling photodetectors for high-temperature downhole use
US10371633B2 (en) * 2017-10-30 2019-08-06 Saudi Arabian Oil Company Determining a specific gravity of a sample
RU184539U1 (ru) * 2017-12-22 2018-10-30 Федеральное государственное бюджетное учреждение науки Институт общей физики им. А.М. Прохорова Российской академии наук Прибор для установления строения и состава углеводородных дисперсных систем в нефти
US11275022B2 (en) 2018-09-05 2022-03-15 Halliburton Energy Services, Inc. Two frequency comb fourier spectroscopy for chemical sensing
US11662288B2 (en) 2020-09-24 2023-05-30 Saudi Arabian Oil Company Method for measuring API gravity of petroleum crude oils using angle-resolved fluorescence spectra
US11892421B2 (en) 2021-12-06 2024-02-06 Schlumberger Technology Corporation System and method for cleaning electrical stability probe
WO2023102602A1 (en) * 2021-12-08 2023-06-15 Wear Detection Technologies Pty Ltd Sensor assembly
WO2023230247A1 (en) * 2022-05-27 2023-11-30 Schlumberger Technology Corporation High-contrast ultraviolet fluorescence imaging systems and methods for pixel-level detection of crude oil in drill cuttings
WO2023239252A1 (en) * 2022-06-09 2023-12-14 Saudi Arabian Oil Company Fluorescent metal-organic frameworks
US20240159660A1 (en) * 2022-11-10 2024-05-16 Baker Hughes Oilfield Operations Llc Light crude oil fluid identification within an obm drilling fluid base/filtrate

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4814614A (en) * 1987-05-11 1989-03-21 Mobil Oil Corporation Method for characterizing oil-bearing inclusions via fluorescence microspectrophotometry
US5049738A (en) * 1988-11-21 1991-09-17 Conoco Inc. Laser-enhanced oil correlation system
US5166747A (en) 1990-06-01 1992-11-24 Schlumberger Technology Corporation Apparatus and method for analyzing the composition of formation fluids
WO1992007249A1 (en) 1990-10-10 1992-04-30 Boston Advanced Technologies, Inc. Methods and sensor systems for sensing hydrocarbon-containing fluids based on fluorescence detection
US6140637A (en) * 1994-05-26 2000-10-31 Schlumberger Technology Corporation Method and apparatus for fluorescence logging
US5762419A (en) 1995-07-26 1998-06-09 Applied Materials, Inc. Method and apparatus for infrared pyrometer calibration in a thermal processing system
US6008055A (en) 1998-06-30 1999-12-28 Transgenomic, Inc. Modular component fiber optic fluorescence detector system, and method of use
FI103074B1 (fi) * 1996-07-17 1999-04-15 Valtion Teknillinen Spektrometri
US5965896A (en) 1997-02-26 1999-10-12 Marton & Associates, Inc. Apparatus and method for scratch wear testing of thin films
EP1357403A3 (en) * 1997-05-02 2004-01-02 Sensor Highway Limited A method of generating electric power in a wellbore
US6268603B1 (en) * 1997-12-03 2001-07-31 Schlumberger Technology Corporation Method and apparatus for interpreting fluorescence logging data
US6016191A (en) * 1998-05-07 2000-01-18 Schlumberger Technology Corporation Apparatus and tool using tracers and singles point optical probes for measuring characteristics of fluid flow in a hydrocarbon well and methods of processing resulting signals
US6023340A (en) * 1998-05-07 2000-02-08 Schlumberger Technology Corporation Single point optical probe for measuring three-phase characteristics of fluid flow in a hydrocarbon well
US6075611A (en) * 1998-05-07 2000-06-13 Schlumberger Technology Corporation Methods and apparatus utilizing a derivative of a fluorescene signal for measuring the characteristics of a multiphase fluid flow in a hydrocarbon well
US6069694A (en) 1998-05-29 2000-05-30 Foss Nirsystems, Inc. Flow cell
DE19838085C2 (de) * 1998-08-21 2000-07-27 Forschungszentrum Juelich Gmbh Verfahren und Bohrlochsonde zur Untersuchung von Böden
US6274865B1 (en) * 1999-02-23 2001-08-14 Schlumberger Technology Corporation Analysis of downhole OBM-contaminated formation fluid
MXPA02002696A (es) 1999-09-14 2002-07-30 Schlumberger Surenco Sa Metodo y dispositivo para determinar la presion de inicio de precipitacion de asfaltenos.
EP1290416A4 (en) 2000-04-11 2004-11-24 Welldog Inc IN-SITU DETECTION AND ANALYSIS OF METHANE IN COAL BED METHOD INFORMATION WITH SPECTROMETERS
US6577073B2 (en) * 2000-05-31 2003-06-10 Matsushita Electric Industrial Co., Ltd. Led lamp
US6476384B1 (en) * 2000-10-10 2002-11-05 Schlumberger Technology Corporation Methods and apparatus for downhole fluids analysis
US6420869B1 (en) * 2000-10-17 2002-07-16 Baker Hughes Incorporated Method and apparatus for estimating NMR properties by near infrared spectra
US6529543B1 (en) 2000-11-21 2003-03-04 The General Hospital Corporation Apparatus for controlling laser penetration depth
US6704109B2 (en) * 2001-01-23 2004-03-09 Schlumberger Technology Corporation Downhole fluorescence detection apparatus
US6850317B2 (en) * 2001-01-23 2005-02-01 Schlumberger Technology Corporation Apparatus and methods for determining velocity of oil in a flow stream
US7142306B2 (en) * 2001-01-23 2006-11-28 Schlumberger Technology Corporation Optical probes and probe systems for monitoring fluid flow in a well
US6501072B2 (en) * 2001-01-29 2002-12-31 Schlumberger Technology Corporation Methods and apparatus for determining precipitation onset pressure of asphaltenes
US6743221B1 (en) 2001-03-13 2004-06-01 James L. Hobart Laser system and method for treatment of biological tissues
US6901173B2 (en) * 2001-04-25 2005-05-31 Lockheed Martin Corporation Scene-based non-uniformity correction for detector arrays
US6729400B2 (en) * 2001-11-28 2004-05-04 Schlumberger Technology Corporation Method for validating a downhole connate water sample
US7002142B2 (en) * 2002-06-26 2006-02-21 Schlumberger Technology Corporation Determining dew precipitation and onset pressure in oilfield retrograde condensate

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7705982B2 (en) 2006-08-14 2010-04-27 Schlumberger Technology Corporation Methods and apparatus for analyzing fluid properties of emulsions using fluorescence spectroscopy
RU2643391C2 (ru) * 2012-01-12 2018-02-01 Шлюмбергер Текнолоджи Б.В. Содержание асфальтенов в тяжелой нефти

Also Published As

Publication number Publication date
BRPI0405639A (pt) 2005-06-28
RU2323457C2 (ru) 2008-04-27
BRPI0405639B1 (pt) 2016-04-26
US20040104355A1 (en) 2004-06-03
US7084392B2 (en) 2006-08-01
WO2005017316A1 (en) 2005-02-24

Similar Documents

Publication Publication Date Title
RU2004139036A (ru) Способ и устройство для флуроресцентной спектрометрии в скважине
RU2310893C2 (ru) Способ и устройство для флуоресцентной спектрометрии в скважине
Würth et al. Evaluation of a commercial integrating sphere setup for the determination of absolute photoluminescence quantum yields of dilute dye solutions
TWI391646B (zh) 可換尖端-開放槽式螢光計與螢光偵測一樣品中螢光團之存在的方法
US20080174768A1 (en) Self referencing LED detection system for spectroscopy applications
CN105403548B (zh) 一种变温光谱测量装置
US7173239B2 (en) Method and apparatus for downhole quantification of methane using near infrared spectroscopy
Wang et al. Fluorescence lifetime studies of crude oils
Adams et al. Determination of the absolute quantum efficiency of luminescence of solid materials employing photoacoustic spectroscopy
CA2669434A1 (en) Downhole measurment of substances in earth formations
EP0794432B1 (en) Method for determining oil content of an underground formation using cuttings
Koch et al. Violaxanthin cycle kinetics analysed in vivo with resonance Raman spectroscopy
Schmid et al. UV-absorbance detector for HPLC based on a light-emitting diode
Zwinkels et al. Spectral fluorescence measurements
US10241030B2 (en) Optical spectrometer and downhole spectrometry method
Pompa et al. Spectroscopic investigation of inner filter effects by phthalocyanine solutions
Hickey-Friedman A review of ultra-violet light and examination techniques
Jaiswal et al. Absorption, excitation and emission spectra of direct yellow 8 in aqueous solutions
CN109776588A (zh) 基于稀土铕配合物的比率荧光传感器平台及其制备方法
RU184539U1 (ru) Прибор для установления строения и состава углеводородных дисперсных систем в нефти
US20100163718A1 (en) Method and apparatus for increasing the efficiency of a fluorescence measurement cell
Hofstraat et al. Corrected fluorescence excitation and emission spectra of phytoplankton: toward a more uniform approach to fluorescence measurements
Krbal et al. Analysis of Liquid Dielectrics by Photometric Instruments
RU2265828C1 (ru) Способ фотометрического определения нитритов в жидкой среде
NO335561B1 (no) Fluorescens-spektrometer og fremgangsmåte for å måle fluorescensspektre i et fluid i et brønnhull

Legal Events

Date Code Title Description
MM4A The patent is invalid due to non-payment of fees

Effective date: 20080813

NF4A Reinstatement of patent

Effective date: 20110110

MM4A The patent is invalid due to non-payment of fees

Effective date: 20130813