EA201992243A1 - Мониторинг скважины и перекрывающих пород с использованием распределенных акустических датчиков - Google Patents

Мониторинг скважины и перекрывающих пород с использованием распределенных акустических датчиков

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Publication number
EA201992243A1
EA201992243A1 EA201992243A EA201992243A EA201992243A1 EA 201992243 A1 EA201992243 A1 EA 201992243A1 EA 201992243 A EA201992243 A EA 201992243A EA 201992243 A EA201992243 A EA 201992243A EA 201992243 A1 EA201992243 A1 EA 201992243A1
Authority
EA
Eurasian Patent Office
Prior art keywords
determining
leak
event
wellbore
features
Prior art date
Application number
EA201992243A
Other languages
English (en)
Other versions
EA038373B1 (ru
Inventor
Прадьюмна Тхирувенкатанатхан
Томми Лангнес
Original Assignee
Бп Эксплорейшн Оперейтинг Компани Лимитед
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.)
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Publication date
Application filed by Бп Эксплорейшн Оперейтинг Компани Лимитед filed Critical Бп Эксплорейшн Оперейтинг Компани Лимитед
Publication of EA201992243A1 publication Critical patent/EA201992243A1/ru
Publication of EA038373B1 publication Critical patent/EA038373B1/ru

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid
    • G01H3/04—Frequency
    • 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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/10—Locating fluid leaks, intrusions or movements
    • E21B47/107—Locating fluid leaks, intrusions or movements using acoustic means
    • 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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/10—Locating fluid leaks, intrusions or movements
    • E21B47/117—Detecting leaks, e.g. from tubing, by pressure testing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
    • G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
    • 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
    • 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
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/4409—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by comparison
    • G01N29/4427—Processing the detected response signal, e.g. electronic circuits specially adapted therefor by comparison with stored values, e.g. threshold values
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/001—Acoustic presence detection

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • General Physics & Mathematics (AREA)
  • Mining & Mineral Resources (AREA)
  • Acoustics & Sound (AREA)
  • Geophysics (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Signal Processing (AREA)
  • Remote Sensing (AREA)
  • Examining Or Testing Airtightness (AREA)

Abstract

В заявке описан способ обнаружения события утечки внутри ствола скважины, который может включать индуцирование перепада давления внутри ствола скважины, содержащего текучую среду, получение совокупности данных выборки, представляющих акустический сигнал по спектру частот при индуцировании перепада давления, определение ряда признаков совокупности данных выборки в частотной области, определение наличия события утечки на одной или более глубинах внутри ствола скважины на основе определения того, что ряд признаков в частотной области совпадает с комплексом признаков события утечки, выполнение корреляции события утечки с индуцированным перепадом давления и определение наличия и местоположения утечки внутри ствола скважины на основе наличия события утечки и корреляции события утечки с индуцированным перепадом давления.
EA201992243A 2017-03-31 2018-03-29 Мониторинг скважины и перекрывающих пород с использованием распределенных акустических датчиков EA038373B1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201762479873P 2017-03-31 2017-03-31
PCT/EP2018/058174 WO2018178279A1 (en) 2017-03-31 2018-03-29 Well and overburden monitoring using distributed acoustic sensors

Publications (2)

Publication Number Publication Date
EA201992243A1 true EA201992243A1 (ru) 2020-03-27
EA038373B1 EA038373B1 (ru) 2021-08-17

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EA201992243A EA038373B1 (ru) 2017-03-31 2018-03-29 Мониторинг скважины и перекрывающих пород с использованием распределенных акустических датчиков

Country Status (7)

Country Link
US (1) US10975687B2 (ru)
EP (2) EP3608503B1 (ru)
AU (1) AU2018246320A1 (ru)
BR (1) BR112019020125B1 (ru)
CA (1) CA3058256C (ru)
EA (1) EA038373B1 (ru)
WO (1) WO2018178279A1 (ru)

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