EA200201084A1 - Спектроскопическое обнаружение и анализ метана в естественном залегании в скоплениях метана в угольных пластах - Google Patents

Спектроскопическое обнаружение и анализ метана в естественном залегании в скоплениях метана в угольных пластах

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Publication number
EA200201084A1
EA200201084A1 EA200201084A EA200201084A EA200201084A1 EA 200201084 A1 EA200201084 A1 EA 200201084A1 EA 200201084 A EA200201084 A EA 200201084A EA 200201084 A EA200201084 A EA 200201084A EA 200201084 A1 EA200201084 A1 EA 200201084A1
Authority
EA
Eurasian Patent Office
Prior art keywords
methane
sensor
spectrometer
optical
mergency
Prior art date
Application number
EA200201084A
Other languages
English (en)
Inventor
Джон Поуп
Джон Херис
Original Assignee
Велдог, Инк.
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 Велдог, Инк. filed Critical Велдог, Инк.
Publication of EA200201084A1 publication Critical patent/EA200201084A1/ru

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    • 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
    • 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
    • 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
    • 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
    • G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V8/00—Prospecting or detecting by optical means
    • G01V8/02—Prospecting
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V8/00—Prospecting or detecting by optical means
    • G01V8/10—Detecting, e.g. by using light barriers
    • 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
    • G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
    • G01N2021/3155—Measuring in two spectral ranges, e.g. UV and visible
    • 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
    • G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared 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
    • G01N21/65—Raman scattering

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

Abstract

Представлена измерительная система для проведения измерений в скважине 1 с помощью спектрометра 4. Спектрометр 4 включает источник 5 излучения и детектор 6. Датчик 15 имеет оптическую связь со спектрометром 4 и включает оптический волновод 7 для передачи излучения от источника 5 излучения и, по меньшей мере, второй оптической волновод для передачи характеристического излучения от образца к детектору 6. Предусмотрено позиционирующее устройство для позиционирования датчика 15 вблизи боковой поверхности 11 ствола 3 скважины и для оптического соединения оптических волноводов 7 с боковой поверхностью 11, при этом датчик 15 может перемещаться вверх и вниз по скважине 1 с помощью направляющей, имеющей подвижное соединение с датчиком 15 и закрепленное положение в устье скважины. Применение устройства и способа согласно изобретению позволяет определять концентрацию метана или другого вещества, представляющего интерес, и тем самым потенциальные запасы метановой формации в угольном пласте.Международная заявка была опубликована вместе с отчетом о международном поиске.
EA200201084A 2000-04-11 2001-04-11 Спектроскопическое обнаружение и анализ метана в естественном залегании в скоплениях метана в угольных пластах EA200201084A1 (ru)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US19652300P 2000-04-11 2000-04-11
US19662000P 2000-04-11 2000-04-11
US19618200P 2000-04-11 2000-04-11
PCT/US2001/011563 WO2001077628A1 (en) 2000-04-11 2001-04-11 In-situ detection and analysis of methane in coal bed methane formations with spectrometers

Publications (1)

Publication Number Publication Date
EA200201084A1 true EA200201084A1 (ru) 2003-04-24

Family

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EA200201084A EA200201084A1 (ru) 2000-04-11 2001-04-11 Спектроскопическое обнаружение и анализ метана в естественном залегании в скоплениях метана в угольных пластах

Country Status (8)

Country Link
US (5) US6678050B2 (ru)
EP (1) EP1290416A4 (ru)
CN (1) CN1423745A (ru)
AU (2) AU2001255282B2 (ru)
CA (1) CA2403941A1 (ru)
EA (1) EA200201084A1 (ru)
PL (1) PL365462A1 (ru)
WO (1) WO2001077628A1 (ru)

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