RU2008116114A - METHOD FOR ISOLATING WATER RESOURCES IN A WELL - Google Patents
METHOD FOR ISOLATING WATER RESOURCES IN A WELL Download PDFInfo
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- RU2008116114A RU2008116114A RU2008116114/03A RU2008116114A RU2008116114A RU 2008116114 A RU2008116114 A RU 2008116114A RU 2008116114/03 A RU2008116114/03 A RU 2008116114/03A RU 2008116114 A RU2008116114 A RU 2008116114A RU 2008116114 A RU2008116114 A RU 2008116114A
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- emulsion
- dispersed silica
- gelling
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Abstract
1. Способ изоляции водопритоков в скважине, включающий приготовление и закачку в пласт инвертной эмульсии на основе дисперсной фазы и углеводородной дисперсионной среды с добавкой эмульгатора и стабилизатора, отличающийся тем, что предварительно готовят эмульсионно-гелиевую композицию, в качестве дисперсной фазы используют гелеобразующий состав и химически модифицированный дисперсный кремнезем, причем модифицированный дисперсный кремнезем используют с удельным весом от 40 до 160 г/дм3 и удельной поверхностью от 140 до 380 м2/г в количестве 0,25-2,5 мас. % ко всей массе эмульсионно-гелевой композиции, гелеобразующий состав используют в количестве 50-80% от всего объема эмульсионно-гелевой композиции. ! 2. Способ по п.1, отличающийся тем, что в качестве углеводородной дисперсионной среды используют нефть или продукты ее переработки. ! 3. Способ по п.1, отличающийся тем, что в качестве гелеобразующего состава используют раствор карбамида в алюмосодержащих отходах промышленных производств. ! 4. Способ по п.1, отличающийся тем, что в углеводородную жидкость при постоянном перемешивании вводят последовательно модифицированный дисперсный кремнезем и гелеобразующий состав. ! 5. Способ по п.1, отличающийся тем, что гелеобразующий состав в углеводородную жидкость вводят порциями. ! 6. Способ по п.1, отличающийся тем, что модифицированный дисперсный кремнезем используют с размером дискретных частиц 0,0005-0,1 мкм, с эмульгирующей способностью не менее 350%.1. A method of isolating water inflows in a well, including the preparation and injection of an invert emulsion based on the dispersed phase and a hydrocarbon dispersion medium with the addition of an emulsifier and stabilizer, characterized in that the emulsion-helium composition is preliminarily prepared, the gel-forming composition is used as the dispersed phase and chemically modified dispersed silica, and modified dispersed silica is used with a specific gravity of from 40 to 160 g / dm3 and a specific surface area of 140 to 380 m2 / g in an amount 0.25-2.5 wt. % to the total mass of the emulsion-gel composition, the gel-forming composition is used in an amount of 50-80% of the total volume of the emulsion-gel composition. ! 2. The method according to claim 1, characterized in that oil or products of its processing are used as the hydrocarbon dispersion medium. ! 3. The method according to claim 1, characterized in that as a gelling composition use a solution of urea in aluminum-containing industrial wastes. ! 4. The method according to claim 1, characterized in that sequentially modified dispersed silica and a gelling composition are introduced into the hydrocarbon liquid with constant stirring. ! 5. The method according to claim 1, characterized in that the gelling composition is introduced in portions into the hydrocarbon liquid. ! 6. The method according to claim 1, characterized in that the modified dispersed silica is used with a discrete particle size of 0.0005-0.1 μm, with an emulsifying ability of at least 350%.
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2008116114/03A RU2377390C1 (en) | 2008-04-23 | 2008-04-23 | Method of insulating flow of water into well |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2008116114/03A RU2377390C1 (en) | 2008-04-23 | 2008-04-23 | Method of insulating flow of water into well |
Publications (2)
Publication Number | Publication Date |
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RU2008116114A true RU2008116114A (en) | 2009-10-27 |
RU2377390C1 RU2377390C1 (en) | 2009-12-27 |
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Application Number | Title | Priority Date | Filing Date |
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RU2008116114/03A RU2377390C1 (en) | 2008-04-23 | 2008-04-23 | Method of insulating flow of water into well |
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RU (1) | RU2377390C1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11104838B2 (en) | 2017-05-15 | 2021-08-31 | Saudi Arabian Oil Company | Composition and method for water and gas shut-off in subterranean formations |
US11230661B2 (en) | 2019-09-05 | 2022-01-25 | Saudi Arabian Oil Company | Propping open hydraulic fractures |
US11572761B1 (en) | 2021-12-14 | 2023-02-07 | Saudi Arabian Oil Company | Rigless method for selective zonal isolation in subterranean formations using colloidal silica |
US11708521B2 (en) | 2021-12-14 | 2023-07-25 | Saudi Arabian Oil Company | Rigless method for selective zonal isolation in subterranean formations using polymer gels |
US11802232B2 (en) | 2021-03-10 | 2023-10-31 | Saudi Arabian Oil Company | Polymer-nanofiller hydrogels |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2651453C2 (en) * | 2016-11-14 | 2018-04-20 | Товарищество с ограниченной ответственностью "Алстронтелеком" | Method of oil field part development at the late stage of operation of oil and gas field |
-
2008
- 2008-04-23 RU RU2008116114/03A patent/RU2377390C1/en active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11104838B2 (en) | 2017-05-15 | 2021-08-31 | Saudi Arabian Oil Company | Composition and method for water and gas shut-off in subterranean formations |
US11230661B2 (en) | 2019-09-05 | 2022-01-25 | Saudi Arabian Oil Company | Propping open hydraulic fractures |
US11802232B2 (en) | 2021-03-10 | 2023-10-31 | Saudi Arabian Oil Company | Polymer-nanofiller hydrogels |
US11572761B1 (en) | 2021-12-14 | 2023-02-07 | Saudi Arabian Oil Company | Rigless method for selective zonal isolation in subterranean formations using colloidal silica |
US11708521B2 (en) | 2021-12-14 | 2023-07-25 | Saudi Arabian Oil Company | Rigless method for selective zonal isolation in subterranean formations using polymer gels |
Also Published As
Publication number | Publication date |
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RU2377390C1 (en) | 2009-12-27 |
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