RU2014122272A - METHOD OF OIL PRODUCTION USING EXPRESSIVE WELLS - Google Patents
METHOD OF OIL PRODUCTION USING EXPRESSIVE WELLS Download PDFInfo
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- RU2014122272A RU2014122272A RU2014122272/03A RU2014122272A RU2014122272A RU 2014122272 A RU2014122272 A RU 2014122272A RU 2014122272/03 A RU2014122272/03 A RU 2014122272/03A RU 2014122272 A RU2014122272 A RU 2014122272A RU 2014122272 A RU2014122272 A RU 2014122272A
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- production wells
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Abstract
Способ закачки рабочего агента в нагнетательные скважины для увеличения нефтеотдачи пластов, основанный на периодическом нагнетании рабочего агента в нагнетательные скважины, в качестве которых используют часть добывающих скважин на поздней стадии разработки залежи путем их перевода в нагнетательные, а в качестве рабочего агента используют подтоварную воду, образующуюся в процессе эксплуатации добывающих скважин, причем нагнетание рабочего агента производят при постепенном, в течение нескольких месяцев, увеличении давления, исключающем его прорыв в соседние скважины, и до величины, превосходящей в два раза пластовое давление на момент перевода добывающих скважин в нагнетательные, а после того, как объем закачанного рабочего агента становится равным объему извлеченной из добывающей скважины жидкости за весь период разработки до перевода добывающих скважин в нагнетательные, резко, из условия смыкания трещин пластов залежи, прекращают нагнетание рабочего агента в нагнетательные скважины, отличающийся тем, что перед нагнетанием рабочего агента в нагнетательные скважины его подогревают в путевом подогревателе до температуры 75-85°C, при этом в качестве тепловой энергии используют энергию попутного газа, извлекаемого из добывающих скважин.A method of pumping a working agent into injection wells to increase oil recovery, based on the periodic injection of the working agent into injection wells, which use part of the production wells at a late stage of reservoir development by transferring them to injection wells, and produced water generated as working agent during the operation of production wells, and the injection of the working agent is carried out with a gradual increase in pressure over several months, excluding the breakthrough into neighboring wells, and to a value twice as high as the reservoir pressure at the time the production wells are transferred to injection wells, and after the volume of injected working agent becomes equal to the volume of fluid extracted from the production well for the entire development period before the production wells are transferred injection, sharply, from the condition of closing the fractures of the reservoir layers, stop the injection of the working agent into the injection wells, characterized in that before the injection of the working agent into the injection wells The heats are heated in a track heater to a temperature of 75-85 ° C, while the energy of associated gas extracted from production wells is used as thermal energy.
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Application Number | Priority Date | Filing Date | Title |
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RU2014122272/03A RU2014122272A (en) | 2014-06-03 | 2014-06-03 | METHOD OF OIL PRODUCTION USING EXPRESSIVE WELLS |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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RU2014122272/03A RU2014122272A (en) | 2014-06-03 | 2014-06-03 | METHOD OF OIL PRODUCTION USING EXPRESSIVE WELLS |
Publications (1)
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RU2014122272A true RU2014122272A (en) | 2015-12-10 |
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Family Applications (1)
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RU2014122272/03A RU2014122272A (en) | 2014-06-03 | 2014-06-03 | METHOD OF OIL PRODUCTION USING EXPRESSIVE WELLS |
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RU (1) | RU2014122272A (en) |
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2014
- 2014-06-03 RU RU2014122272/03A patent/RU2014122272A/en unknown
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