EA201700267A1 - METHOD FOR INCREASING OIL RECOVERY - Google Patents
METHOD FOR INCREASING OIL RECOVERYInfo
- Publication number
- EA201700267A1 EA201700267A1 EA201700267A EA201700267A EA201700267A1 EA 201700267 A1 EA201700267 A1 EA 201700267A1 EA 201700267 A EA201700267 A EA 201700267A EA 201700267 A EA201700267 A EA 201700267A EA 201700267 A1 EA201700267 A1 EA 201700267A1
- Authority
- EA
- Eurasian Patent Office
- Prior art keywords
- oil recovery
- organic substrate
- task
- injection
- formation
- Prior art date
Links
Landscapes
- Dairy Products (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
Abstract
Изобретение относится к разработке нефтяных месторождений, в частности к микробиологическим методам повышения нефтеотдачи пластов. Задачей предлагаемого изобретения является повышение нефтеотдачи пласта относительно недорогими реагентами и увеличение коэффициента вытеснения нефти. Поставленная задача решается тем, что в способе повышения нефтеотдачи пластов, включающем закачку в пласт органического субстрата, перед закачкой органического субстрата в пласт закачивают оторочку воды низкой солености в объеме 30% от объема пор, а в качестве органического субстрата используют 10-15%раствор подсырной и творожной молочной сыворотки в воде низкой солености при следующем соотношении компонентов, мас.%: подсырная молочная сыворотка - 75; творожная молочная сыворотка - 25.The invention relates to the development of oil fields, in particular to microbiological methods of enhanced oil recovery. The task of the invention is to increase oil recovery relatively inexpensive reagents and increase the rate of oil displacement. The task is solved by the fact that in the method of enhanced oil recovery, including the injection of organic substrate into the formation, before the injection of the organic substrate, a rim of low salinity water is pumped into the formation in a volume of 30% of the pore volume, and a 10–25% solution is used as an organic substrate and cheese whey in water of low salinity in the following ratio, wt.%: cheese whey - 75; curd whey - 25.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EA201700267A EA033188B1 (en) | 2017-03-14 | 2017-03-14 | Method for oil recovery enhancement |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EA201700267A EA033188B1 (en) | 2017-03-14 | 2017-03-14 | Method for oil recovery enhancement |
Publications (2)
Publication Number | Publication Date |
---|---|
EA201700267A1 true EA201700267A1 (en) | 2018-09-28 |
EA033188B1 EA033188B1 (en) | 2019-09-30 |
Family
ID=63667373
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EA201700267A EA033188B1 (en) | 2017-03-14 | 2017-03-14 | Method for oil recovery enhancement |
Country Status (1)
Country | Link |
---|---|
EA (1) | EA033188B1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114427399A (en) * | 2020-09-21 | 2022-05-03 | 中国石油化工股份有限公司 | Method for improving recovery ratio of microbial oil displacement of medium-high permeability reservoir |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EA038892B1 (en) * | 2020-12-25 | 2021-11-03 | Научно-Исследовательский И Проектный Институт Нефти И Газа (Нипинг) | Method for oil reservoir development |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU1652337A1 (en) * | 1989-06-07 | 1991-05-30 | Сектор Микробиологии Ан Азсср | Method for enhancing oil yield in secondary oil recovery |
RU2412014C1 (en) * | 2009-08-12 | 2011-02-20 | Государственное образовательное учреждение высшего профессионального образования "Северо-Кавказский государственный технический университет" | Method of purification and reclamation of ecological functions of substrates contaminated by oil and its products |
US9670395B2 (en) * | 2013-04-22 | 2017-06-06 | Halliburton Energy Services, Inc. | Treatment of a subterranean formation with composition including a microorganism or compound generated by the same |
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2017
- 2017-03-14 EA EA201700267A patent/EA033188B1/en active IP Right Revival
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114427399A (en) * | 2020-09-21 | 2022-05-03 | 中国石油化工股份有限公司 | Method for improving recovery ratio of microbial oil displacement of medium-high permeability reservoir |
Also Published As
Publication number | Publication date |
---|---|
EA033188B1 (en) | 2019-09-30 |
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Legal Events
Date | Code | Title | Description |
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MM4A | Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s) |
Designated state(s): AM AZ BY KZ KG TJ TM RU |
|
NF4A | Restoration of lapsed right to a eurasian patent |
Designated state(s): AZ RU |