RU2020120831A - METHOD FOR OPTIMIZING FORMATION FLUID PRODUCTION FROM A WELL AFTER ACID FACING - Google Patents

METHOD FOR OPTIMIZING FORMATION FLUID PRODUCTION FROM A WELL AFTER ACID FACING Download PDF

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RU2020120831A
RU2020120831A RU2020120831A RU2020120831A RU2020120831A RU 2020120831 A RU2020120831 A RU 2020120831A RU 2020120831 A RU2020120831 A RU 2020120831A RU 2020120831 A RU2020120831 A RU 2020120831A RU 2020120831 A RU2020120831 A RU 2020120831A
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Prior art keywords
well
production
formation
acid fracturing
fracture
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RU2020120831A
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Russian (ru)
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RU2759621C2 (en
RU2020120831A3 (en
Inventor
Алия Рафаиловна Юлдашева
Денис Викторович Банников
Дмитрий Арефьевич Чупраков
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Шлюмберже Текнолоджи Б.В.
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Priority to RU2020120831A priority Critical patent/RU2759621C2/en
Publication of RU2020120831A publication Critical patent/RU2020120831A/en
Publication of RU2020120831A3 publication Critical patent/RU2020120831A3/ru
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/25Methods for stimulating production
    • E21B43/26Methods for stimulating production by forming crevices or fractures
    • E21B43/27Methods for stimulating production by forming crevices or fractures by use of eroding chemicals, e.g. acids
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/08Investigating permeability, pore-volume, or surface area of porous materials

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Geology (AREA)
  • Engineering & Computer Science (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Biochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Health & Medical Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Claims (9)

1. Способ оптимизации добычи пластового флюида из скважины после кислотного гидроразрыва пласта, в соответствии с которым:1. A method for optimizing production of formation fluid from a well after acid fracturing, according to which: - для выбранной скважины выполняют моделирование кислотного гидроразрыва пласта для заданных свойств пласта с учетом графика проведения кислотного гидроразрыва пласта и ожидаемого дебита скважины, в результате которого получают распределение ширины вытравленных в результате кислотного гидроразрыва стенок образовавшейся трещины по всей ее поверхности;- for the selected well, modeling of acid fracturing is performed for the given properties of the formation, taking into account the schedule of acid fracturing and the expected production rate of the well, as a result of which the distribution of the width of the walls of the formed fracture etched as a result of acid fracturing is obtained over its entire surface; - выбирают диапазон возможных значений депрессии скважины и для каждого значения депрессии в выбранном диапазоне с учетом полученного распределения ширины вытравленных стенок трещины и заданных свойств пласта рассчитывают профили раскрытия трещины, эффективных напряжений, приложенных к стенкам трещины, и гидравлической проводимости трещины;- select the range of possible values of the well depression and for each value of the depression in the selected range, taking into account the obtained distribution of the width of the etched fracture walls and the given properties of the formation, the profiles of fracture opening, effective stresses applied to the fracture walls, and hydraulic conductivity of the fracture are calculated; - на основе полученных профилей гидравлический проводимости трещины для каждого значения депрессии скважины рассчитывают полный дебит скважины;- on the basis of the obtained profiles of the hydraulic conductivity of the fracture for each value of the depression of the well, the total production rate of the well is calculated; - выбирают значения депрессии, соответствующие максимальным показателям дебита скважины или обеспечивающие дебит не ниже ожидаемого дебита, и- select the drawdown values corresponding to the maximum production rates of the well or providing the production rate not lower than the expected production rate, and при последующей добыче из скважины поддерживают выбранные значения депрессии.during subsequent production from the well, the selected drawdown values are maintained. 2. Способ оптимизации добычи пластового флюида из скважины после кислотного гидроразрыва пласта по п. 1, в соответствии с которым в качестве заданных свойств пласта используют уточненные свойств пласта в ожидаемой области значений с учетом их неопределенности.2. A method for optimizing the production of formation fluid from a well after acid fracturing according to claim 1, according to which the specified properties of the formation are used as the specified properties of the formation in the expected range of values, taking into account their uncertainty. 3. Способ оптимизации добычи пластового флюида из скважины после кислотного гидроразрыва пласта по п. 2, в соответствии с которым уточненные свойства пласта определяют посредством по меньшей мере одного метода, выбираемого из группы, включающей геофизические методы исследования скважин, гидродинамические методы исследования скважин, интерпретацию данных мини-гидроразрыва пласта.3. A method for optimizing the production of formation fluid from a well after acid fracturing according to claim 2, according to which the refined properties of the formation are determined by at least one method selected from the group including geophysical methods of well survey, hydrodynamic methods of well survey, data interpretation mini-hydraulic fracturing. 4. Способ оптимизации добычи пластового флюида из скважины после кислотного гидроразрыва пласта по п. 2, в соответствии с которым при известности дебита выбранной скважины или соседних скважин сравнивают имеющиеся данные о дебите выбранной скважины или соседних скважин с полным дебитом скважины, рассчитанным в результате моделирования, и в качестве уточненных свойств пласта выбирают такие свойства, которые дают наилучшее согласование рассчитанного дебита с известным дебитом.4. A method for optimizing production of formation fluid from a well after acid fracturing according to claim 2, according to which, when the flow rate of the selected well or adjacent wells is known, the available data on the flow rate of the selected well or adjacent wells are compared with the total flow rate of the well, calculated as a result of modeling, and as the refined properties of the formation, those properties are selected that give the best match between the calculated production rate and the known production rate.
RU2020120831A 2020-04-30 2020-04-30 Method for optimising production of the reservoir fluid from a borehole after acidic hydraulic fracturing RU2759621C2 (en)

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RU2020120831A RU2759621C2 (en) 2020-04-30 2020-04-30 Method for optimising production of the reservoir fluid from a borehole after acidic hydraulic fracturing

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RU2020120831A3 RU2020120831A3 (en) 2021-11-01
RU2759621C2 RU2759621C2 (en) 2021-11-16

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Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7849920B2 (en) * 2007-12-20 2010-12-14 Schlumberger Technology Corporation System and method for optimizing production in a well
US7963327B1 (en) * 2008-02-25 2011-06-21 QRI Group, LLC Method for dynamically assessing petroleum reservoir competency and increasing production and recovery through asymmetric analysis of performance metrics
US8175751B2 (en) * 2009-05-27 2012-05-08 Chevron U.S.A. Inc. Computer-implemented systems and methods for screening and predicting the performance of enhanced oil recovery and improved oil recovery methods
RU2540713C1 (en) * 2014-03-03 2015-02-10 Открытое акционерное общество "Татнефть" им. В.Д. Шашина Method of oil pool development
US10001769B2 (en) * 2014-11-18 2018-06-19 Weatherford Technology Holdings, Llc Systems and methods for optimizing formation fracturing operations
CN106522935B (en) * 2016-12-26 2019-04-26 西南石油大学 Test the method for determining the distribution of carbonate rock hydrocarbon reservoir acid fracturing fracture condudtiviy
RU2709260C1 (en) * 2019-03-05 2019-12-17 Публичное акционерное общество " Татнефть" им. В.Д.Шашина Method of improving development efficiency of low-permeability oil deposits

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