CN101864287B - 一种复合缓速酸 - Google Patents
一种复合缓速酸 Download PDFInfo
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- CN101864287B CN101864287B CN 201010193334 CN201010193334A CN101864287B CN 101864287 B CN101864287 B CN 101864287B CN 201010193334 CN201010193334 CN 201010193334 CN 201010193334 A CN201010193334 A CN 201010193334A CN 101864287 B CN101864287 B CN 101864287B
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- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 44
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 38
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims abstract description 34
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- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
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Abstract
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Claims (7)
Priority Applications (1)
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CN 201010193334 CN101864287B (zh) | 2010-06-08 | 2010-06-08 | 一种复合缓速酸 |
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CN 201010193334 CN101864287B (zh) | 2010-06-08 | 2010-06-08 | 一种复合缓速酸 |
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CN101864287A CN101864287A (zh) | 2010-10-20 |
CN101864287B true CN101864287B (zh) | 2013-03-13 |
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CN 201010193334 Active CN101864287B (zh) | 2010-06-08 | 2010-06-08 | 一种复合缓速酸 |
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Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103045227B (zh) * | 2011-10-17 | 2015-05-13 | 中国石油天然气股份有限公司 | 一种砂岩储层酸化用多元复合缓速酸 |
CN102536166B (zh) * | 2012-02-14 | 2015-01-21 | 中国石油天然气股份有限公司 | 自生泡沫酸化油层深度处理方法 |
CN104179488B (zh) * | 2013-05-27 | 2017-06-13 | 中国石油化工股份有限公司 | 一种提高开发低渗透碳酸盐岩稠油油藏效果的方法 |
CN105820807A (zh) * | 2015-01-08 | 2016-08-03 | 天津科林沃德石油技术有限公司 | 一种适用于疏松砂岩酸化解堵的缓速酸及制备方法 |
CN105482802B (zh) * | 2015-12-21 | 2018-08-14 | 中国石油天然气股份有限公司 | 一种注水井在线注入酸化酸液体系及其制备方法 |
CN109777389A (zh) * | 2019-03-04 | 2019-05-21 | 北京国海能源技术研究院 | 一种适用于储层解堵酸化的多氢酸体系及其制备方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101691839A (zh) * | 2009-09-30 | 2010-04-07 | 陕西中孚石油技术有限责任公司 | 用于低渗透油井的超低阻酸类微乳液解堵增产技术 |
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Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101691839A (zh) * | 2009-09-30 | 2010-04-07 | 陕西中孚石油技术有限责任公司 | 用于低渗透油井的超低阻酸类微乳液解堵增产技术 |
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Effective date of registration: 20151120 Address after: 257000 Shandong province Dongying city road building materials business building room 404 Xindu Patentee after: DONGYING SUNCOO PETROLEUM Co.,Ltd. Address before: Two East Road 710065 Shaanxi electronic city of Xi'an province No. 18 Patentee before: XI'AN SHIYOU University |
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Denomination of invention: A compound retarded acid Effective date of registration: 20201026 Granted publication date: 20130313 Pledgee: Hengfeng bank Limited by Share Ltd. Dongying branch Pledgor: DONGYING SUNCOO PETROLEUM Co.,Ltd. Registration number: Y2020980007186 |
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Denomination of invention: A compound retarded acid Effective date of registration: 20211105 Granted publication date: 20130313 Pledgee: Hengfeng bank Limited by Share Ltd. Dongying branch Pledgor: DONGYING SUNCOO PETROLEUM Co.,Ltd. Registration number: Y2021980011957 |
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Denomination of invention: A compound retarded acid Effective date of registration: 20220629 Granted publication date: 20130313 Pledgee: Hengfeng bank Limited by Share Ltd. Dongying branch Pledgor: DONGYING SUNCOO PETROLEUM Co.,Ltd. Registration number: Y2022980009441 |
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