RU2015123226A - METHOD AND DEVICE FOR COMBINING STEAM-GRAVITATIONAL DRAINAGE (SAGD) WITH VIBRO-WAVE INFLUENCE ON PRODUCTIVE LAYER UNDER CONDITIONS OF HORIZONTAL WELLS - Google Patents

METHOD AND DEVICE FOR COMBINING STEAM-GRAVITATIONAL DRAINAGE (SAGD) WITH VIBRO-WAVE INFLUENCE ON PRODUCTIVE LAYER UNDER CONDITIONS OF HORIZONTAL WELLS Download PDF

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Publication number
RU2015123226A
RU2015123226A RU2015123226A RU2015123226A RU2015123226A RU 2015123226 A RU2015123226 A RU 2015123226A RU 2015123226 A RU2015123226 A RU 2015123226A RU 2015123226 A RU2015123226 A RU 2015123226A RU 2015123226 A RU2015123226 A RU 2015123226A
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Russia
Prior art keywords
tubing
casing
steam
horizontal section
waves traveling
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RU2015123226A
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Russian (ru)
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RU2610045C2 (en
Inventor
Алексей Алланович Абдрашитов
Алия Ринатовна Галимзянова
Рустем Наилевич Гатауллин
Яков Исаакович Кравцов
Евгений Александрович Марфин
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Федеральное государственное бюджетное учреждение науки Казанский научный центр Российской академии наук
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Priority to RU2015123226A priority Critical patent/RU2610045C2/en
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Classifications

    • 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
    • E21B43/16Enhanced recovery methods for obtaining hydrocarbons
    • E21B43/24Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
    • 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
    • E21B28/00Vibration generating arrangements for boreholes or wells, e.g. for stimulating production
    • 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
    • E21B43/003Vibrating earth formations
    • 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

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Extraction Or Liquid Replacement (AREA)

Claims (4)

1. Способ совмещения паро-гравитационного дренажа (SAGD) c виброволновым воздействием на продуктивный пласт в условиях горизонтальных скважин, при котором прокладывают в интервале продуктивного пласта пару двухустьевых горизонтальных скважин, одну над другой, состоящих каждая из двух вертикальных стволов, соединенных между собой горизонтальным участком и включающих: обсадную трубу, проложенную от одного устья до другого и перфорированную в пределах горизонтального участка; и две насосно-компрессорные трубы (НКТ), проложенные внутри обсадной трубы в пределах вертикальных стволов и заканчивающиеся хвостовиками в начале горизонтального участка скважины, перед перфорированным участком обсадной трубы, из которых верхняя скважина является нагнетательной и служит для подачи в продуктивный пласт водяного пара, а нижняя скважина – добывающая, и служит для откачки продукта, причём горизонтальный участок обсадной трубы изолируют с обеих сторон пакерами, установленными на хвостовиках НКТ, отличающийся тем, что в нагнетательной скважине монтируют на обоих хвостовиках НКТ, сразу за пакерами, проточные генераторы упругих колебаний, лицевой поверхностью друг к другу, создают объёмный полуволновой резонатор из горизонтального участка обсадной трубы, заключённого между проточными генераторами, закачивают пар в нагнетательную скважину по НКТ и прокачивают весь пар через проточные генераторы, генерируют в потоке пара упругие колебания, регулируют частоту генерации упругих колебаний давлением подачи пара по каждой НКТ отдельно, формируют в объёмном резонаторе систему бегущих навстречу друг другу волн, а колебания давления направляются в продуктивный пласт через отверстия перфорации в обсадной трубе.1. The method of combining steam-gravity drainage (SAGD) with a microwave exposure to the reservoir in horizontal wells, in which a pair of horizontal dual wells is laid in the interval of the reservoir, one above the other, each consisting of two vertical shafts connected by a horizontal section and including: a casing laid from one mouth to another and perforated within a horizontal section; and two tubing pipes (tubing), laid inside the casing within the vertical shafts and ending with shanks at the beginning of the horizontal section of the well, in front of the perforated section of the casing, of which the upper well is injection and serves to supply water vapor to the reservoir, and the lower well is producing and serves to pump out the product, and the horizontal section of the casing is isolated on both sides by packers installed on the tubing shanks, characterized in that an injection well is mounted on both tubing shanks, immediately behind the packers, flow generators of elastic vibrations, facing each other, create a volumetric half-wave resonator from a horizontal section of the casing enclosed between flow generators, steam is pumped into the injection well through the tubing, and all steam is pumped through flow generators, generate elastic oscillations in a steam stream, regulate the frequency of elastic oscillations generation by the steam supply pressure for each tubing separately, form in volumetric mode the system of waves traveling towards each other, and pressure fluctuations are directed into the reservoir through the perforation holes in the casing. 2. Способ по п. 1, отличающийся тем, что формируют в объёмном резонаторе стоячую волну из двух бегущих навстречу друг другу волн, при этом настраивают генерацию обеих бегущих навстречу волн на одну из высших собственных частот объёмного резонатора.2. The method according to claim 1, characterized in that a standing wave is formed in the cavity resonator from two waves traveling towards each other, while the generation of both waves traveling towards one another is tuned to one of the highest natural frequencies of the cavity resonator. 3. Способ по п. 1, отличающийся тем, что формируют в объёмном резонаторе систему из двух бегущих навстречу друг другу волн с медленно смещающимися по длине резонатора узлами и пучностями, для этого настраивают генерацию обеих бегущих навстречу волн на близкие частоты.3. The method according to p. 1, characterized in that they form a system in the cavity resonator of two waves traveling towards each other with nodes and antinodes slowly moving along the length of the resonator, for this, the generation of both waves traveling towards one another is set to close frequencies. 4. Устройство по способу 1, состоящее из: цилиндрической камеры с двумя параллельными крышками с обеих сторон; входного сопла, расположенного в центре одной крышки на оси цилиндрической камеры; и выходного отверстия с острой кромкой, расположенного соосно входному соплу на оси цилиндрической камеры в центре другой крышки, отличающееся тем, что крышка с выходным отверстием выполнена с рассеивающей лицевой поверхностью.4. The device according to method 1, consisting of: a cylindrical chamber with two parallel covers on both sides; an inlet nozzle located in the center of one cap on the axis of the cylindrical chamber; and an outlet with a sharp edge, located coaxially with the inlet nozzle on the axis of the cylindrical chamber in the center of another cover, characterized in that the cover with an outlet is made with a diffusing front surface.
RU2015123226A 2015-06-16 2015-06-16 Method and device for alignment of steam assisted gravity drainage with vibration-wave effect on productive formation in horizontal wells RU2610045C2 (en)

Priority Applications (1)

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RU2015123226A RU2610045C2 (en) 2015-06-16 2015-06-16 Method and device for alignment of steam assisted gravity drainage with vibration-wave effect on productive formation in horizontal wells

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RU2015123226A RU2610045C2 (en) 2015-06-16 2015-06-16 Method and device for alignment of steam assisted gravity drainage with vibration-wave effect on productive formation in horizontal wells

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RU2610045C2 RU2610045C2 (en) 2017-02-07

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RU2674354C1 (en) * 2017-03-24 2018-12-07 Виктор Владимирович Варакута Set of equipment for vibration wave impact on hydrocarbons containing formation

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US4041984A (en) * 1976-07-01 1977-08-16 General Motors Corporation Jet-driven helmholtz fluid oscillator
RU2085715C1 (en) * 1994-07-18 1997-07-27 Гамбар Закиевич Закиев Method for development of high-viscous oil and bitumen deposits
RU2418161C1 (en) * 2010-01-11 2011-05-10 Открытое акционерное общество "Татнефть" имени В.Д. Шашина Device for oil displacement from horizontal well

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Effective date: 20170617