CN109971449B - 一种用于油藏深部调驱的超分子体系聚合物微凝胶及其制备方法 - Google Patents
一种用于油藏深部调驱的超分子体系聚合物微凝胶及其制备方法 Download PDFInfo
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- CN109971449B CN109971449B CN201910267856.8A CN201910267856A CN109971449B CN 109971449 B CN109971449 B CN 109971449B CN 201910267856 A CN201910267856 A CN 201910267856A CN 109971449 B CN109971449 B CN 109971449B
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- C08F2/00—Processes of polymerisation
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- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/52—Amides or imides
- C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
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- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/58—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
- C09K8/588—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific polymers
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BRPI0504019B1 (pt) * | 2005-08-04 | 2017-05-09 | Petroleo Brasileiro S A - Petrobras | processo de redução seletiva e controlada da permeabilidade relativa à água em formações petrolíferas de alta permeabilidade |
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