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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Применить Всего найдено 6. Отображено 6.
28-05-2015 дата публикации

ZIRCONIUM DISPERSED-PARTICLE GEL COMBINATION FLOODING SYSTEM AND PREPARATION METHOD THEREOF

Номер: WO2015074588A1
Автор: DAI, Caili, ZHAO, Guang, YOU, Qing, ZHAO, Mingwei
Принадлежит:

The invention belongs to the field of oilfield chemistry and specifically relates to a zirconium dispersed-particle gel combination flooding system. The zirconium dispersed-particle gel combination flooding system comprises multi-scale zirconium dispersed-particle gel, polyether nonionic surfactant, and mixing water; the mass fraction of multi-scale zirconium dispersed-particle gel is 0.16%-0.24% of the total mass of the combination flooding system; the mass fraction of polyether nonionic surfactant is 0.1%-0.4% of the total mass of the combination flooding system; the remainder is water, and the sum of the mass fractions of the components is 100%. The multi-scale zirconium dispersed-particle gel and polyether nonionic surfactant of the present invention have good synergies and oil/water interfacial tension is reduced to the order of 10-3 mN/m, significantly improving the oil-washing efficiency of the flooding agent, avoiding the adverse effects caused by polymer viscosity loss in two-component ...

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Номер записи: 1
14-05-2015 дата публикации

HEAVY OIL SPONTANEOUS EMULSIFYING AND VISCOSITY-REDUCING SYSTEM AND PREPARATION METHOD THEREFOR

Номер: WO2015067209A1
Автор: DAI, Caili, YOU, Qing, ZHAO, Mingwei, ZHAO, Guang, WANG, Ping, ZHAO, Fulin
Принадлежит:

The present invention relates to the field of oilfield chemistry, and specifically relates to a heavy oil spontaneous emulsifying and viscosity-reducing system. The heavy oil spontaneous emulsifying and viscosity-reducing system comprises: a primary surfactant, a secondary surfactant, a base, a salt, and water; the mass fraction of the primary surfactant is 1.0% to 3.0% of the total mass of the heavy oil spontaneous emulsifying and viscosity-reducing system; the mass fraction of the secondary surfactant is 2.0% to 4.0% of the total mass of the heavy oil spontaneous emulsifying and viscosity-reducing system; the mass fraction of the base is 0.2% to 0.5% of the total mass of the heavy oil spontaneous emulsifying and viscosity-reducing system; the mass fraction of the salt is 1.0% to 5.0% of the total mass of the heavy oil spontaneous emulsifying and viscosity-reducing system; the remaining is water; the sum of the mass fractions of all components is 100%. The present invention has the following ...

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Номер записи: 2
21-06-2018 дата публикации

AUTHIGENIC ACID-INDUCED TACKIFYING CONTROL SYSTEM HAVING OIL WASHING FUNCTION AND PREPARATION METHOD THEREFOR

Номер: WO2018108186A1
Автор: ZHAO, Guang, DAI, Caili, YOU, Qing, GU, Chenglin, LV, Yahui, ZHANG, Yue, SUN, Yongpeng, FANG, Jichao, LIU, Yifei
Принадлежит:

The present invention relates to the field of oilfield chemistry, and specifically to an authigenic acid-induced tackifying control system having an oil washing function for a medium/low temperature reservoir and method therefor. The authigenic acid-induced tackifying control system comprises an anionic polymer, a sodium alkyl sulfate surfactant, methyl propanediamine, a retarded acid, an enhancer, and fluid preparation water. The percentages by mass of the components are as follows: anionic polymer: 0.1-0.2%; sodium alkyl sulfate surfactant: 0.5-1.5%; methyl propanediamine: 0.3-0.8%; retarded acid: 1.0-3.5%; enhancer: 1.0-3.0%; the balance being fluid preparation water and the sum of the percentages by mass of the components being 100%. The present invention has the following beneficial effects: significantly improving the oil washing efficiency of an oil displacement agent; implementing the dual function of controlling deep reservoir ground and improving the swept volume of the oil displacement ...

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Номер записи: 3
09-05-2023 дата публикации

Wet-phase expandable modified graphite water control system for ultra-deep oil and gas reservoir as well as preparation method and application of wet-phase expandable modified graphite water control system

Номер: CN116081617A
Автор: ZHAO GUANG, XU BOZHAO, DAI CAILI, HUANG XUELI, SHAN ZHAOHUI, YOU QING, SUN YONGPENG, LI JIAMING, LIU YIFEI, WU YINING, SUN BIN
Принадлежит:

The invention relates to the field of oilfield chemistry, and discloses a wet-phase expandable modified graphite water control system for an ultra-deep oil and gas reservoir as well as a preparation method and application of the wet-phase expandable modified graphite water control system. The composition comprises inorganic strong acid, an oxidizing agent, organic acid and an expanding agent, wherein the oxidizing agent is selected from at least one of permanganate, dichromate, chlorate and perchlorate; the organic acid is selected from C1-C5 monoacid; the expanding agent contains persulfate and weak acid, and the weak acid is selected from at least one of binary acid of C2-C8 and polyacid of C2-C8. The expandable graphite system prepared by adopting the composition or the method can expand to a limited degree in an ultra-deep oil and gas reservoir wet phase environment with the temperature of 240 DEG C and the degree of mineralization of 300,000 mg/L, ensures high strength after expansion ...

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Номер записи: 4
09-07-2015 дата публикации

SULFONATE-TYPE BIOMASS SURFACTANT AND SYNTHESIS METHOD THEREOF

Номер: WO2015101355A1
Автор: DAI, Caili, FU, Yang, YOU, Qing, ZHAO, Mingwei, ZHAO, Guang, ZHAO, Jianhui
Принадлежит:

The present invention relates to the field of organic compound synthesis, and specifically, relates to a sulfonate-type biomass surfactant based on a fatty acid methyl ester and a synthesis method thereof. A main component of city restaurant and kitchen swill waste oil is the fatty acid methyl ester. The sulfonate-type biomass surfactant based on the fatty acid methyl ester is prepared from the following steps: preparing fatty acid alkanolamide, and carrying out a sulfopropyl reaction. The sulfonate-type biomass surfactant based on the fatty acid methyl ester is applied in the field of oil production. The sulfonate-type biomass surfactant synthesized in the present invention has better surface activity and interfacial activity, is non-toxic, non-hazardous and degradable, does less harm to an environment and a stratum layer, can replace a conventional petroleum diesel-based surfactant, achieves purposes of resourceful comprehensive utilization of city restaurant and kitchen swill and added ...

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Номер записи: 5
04-07-2023 дата публикации

Instant high-temperature-resistant aqueous two-phase drag reducer as well as preparation method and application thereof

Номер: CN116375932A
Автор: DING FEI, YU WEICHU, ZHANG YING, DAI CAILI, SUN YONGPENG, YOU QING
Принадлежит:

The invention discloses an instant high-temperature-resistant aqueous two-phase drag reducer as well as a preparation method and application thereof, and the instant high-temperature-resistant aqueous two-phase drag reducer comprises the following components in parts by weight: 5-25 parts of inorganic salt, 10-20 parts of a water-soluble polymer, 10-20 parts of a water-soluble vinyl monomer containing a sulfonyl or cyclic structure, 30-65 parts of a nonionic water-soluble vinyl monomer, 0.01-0.5 part of an initiator and 150-190 parts of water. A double-dispersant system is adopted, polymer with high molecular weight and good stability can be formed, all solvents in the preparation method are clear water, and the preparation method is environment-friendly and low in cost; according to the invention, by controlling the content of appropriate temperature-resistant groups, the drag reduction effect of the synthesized polymer at high temperature is ensured, and the temperature resistance reaches ...

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Номер записи: 6