CN110540831A - 一种用于酸化暂堵的微米级可降解凝胶颗粒及其制备方法 - Google Patents
一种用于酸化暂堵的微米级可降解凝胶颗粒及其制备方法 Download PDFInfo
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- CN110540831A CN110540831A CN201810523487.XA CN201810523487A CN110540831A CN 110540831 A CN110540831 A CN 110540831A CN 201810523487 A CN201810523487 A CN 201810523487A CN 110540831 A CN110540831 A CN 110540831A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- 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
- C08F220/56—Acrylamide; Methacrylamide
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/50—Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls
- C09K8/504—Compositions based on water or polar solvents
- C09K8/506—Compositions based on water or polar solvents containing organic compounds
- C09K8/508—Compositions based on water or polar solvents containing organic compounds macromolecular compounds
- C09K8/5083—Compositions based on water or polar solvents containing organic compounds macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/50—Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls
- C09K8/516—Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls characterised by their form or by the form of their components, e.g. encapsulated material
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Abstract
Description
检测项目 | 实施例1 | 实施例2 | 实施例3 |
膨胀前颗粒平均料径(μm) | 108 | 87 | 96 |
加水膨胀后颗粒平均料径(μm) | 732 | 813 | 923 |
7天的降解情况 | 完全降解 | 完全降解 | 完全降解 |
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CN201810523487.XA CN110540831A (zh) | 2018-05-28 | 2018-05-28 | 一种用于酸化暂堵的微米级可降解凝胶颗粒及其制备方法 |
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CN201810523487.XA CN110540831A (zh) | 2018-05-28 | 2018-05-28 | 一种用于酸化暂堵的微米级可降解凝胶颗粒及其制备方法 |
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Cited By (4)
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---|---|---|---|---|
CN111303849A (zh) * | 2020-04-02 | 2020-06-19 | 中国石油大学(华东) | 暂堵剂及其制备方法、以及高温储层暂堵转向压裂的方法 |
CN111876140A (zh) * | 2020-06-08 | 2020-11-03 | 长江大学 | 双响应自降解暂堵剂及其制备方法 |
CN114656944A (zh) * | 2022-03-29 | 2022-06-24 | 中海石油(中国)有限公司天津分公司 | 高温碳酸盐岩储层用乳液转向酸体系 |
WO2023279712A1 (zh) * | 2021-07-07 | 2023-01-12 | 中国石油天然气集团有限公司 | 一种pH响应型纳米凝胶封堵材料及其制备方法与应用 |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111303849A (zh) * | 2020-04-02 | 2020-06-19 | 中国石油大学(华东) | 暂堵剂及其制备方法、以及高温储层暂堵转向压裂的方法 |
CN111303849B (zh) * | 2020-04-02 | 2021-05-28 | 中国石油大学(华东) | 暂堵剂及其制备方法、以及高温储层暂堵转向压裂的方法 |
US11945995B2 (en) | 2020-04-02 | 2024-04-02 | China University Of Petroleum | Temporary plugging agent and preparation method thereof, and method for temporary plugging and fracturing of high-temperature reservoir |
CN111876140A (zh) * | 2020-06-08 | 2020-11-03 | 长江大学 | 双响应自降解暂堵剂及其制备方法 |
CN111876140B (zh) * | 2020-06-08 | 2022-05-27 | 长江大学 | 双响应自降解暂堵剂及其制备方法 |
WO2023279712A1 (zh) * | 2021-07-07 | 2023-01-12 | 中国石油天然气集团有限公司 | 一种pH响应型纳米凝胶封堵材料及其制备方法与应用 |
CN114656944A (zh) * | 2022-03-29 | 2022-06-24 | 中海石油(中国)有限公司天津分公司 | 高温碳酸盐岩储层用乳液转向酸体系 |
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Application publication date: 20191206 |