CN110157398A - 一种注聚井环保降粘降阻解聚增产增注剂 - Google Patents
一种注聚井环保降粘降阻解聚增产增注剂 Download PDFInfo
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Classifications
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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
- C09K8/52—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning
- C09K8/524—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning organic depositions, e.g. paraffins or asphaltenes
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Geochemistry & Mineralogy (AREA)
- Detergent Compositions (AREA)
Abstract
Description
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Priority Applications (1)
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CN201910428742.7A CN110157398A (zh) | 2019-05-22 | 2019-05-22 | 一种注聚井环保降粘降阻解聚增产增注剂 |
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CN201910428742.7A CN110157398A (zh) | 2019-05-22 | 2019-05-22 | 一种注聚井环保降粘降阻解聚增产增注剂 |
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Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1560182A (zh) * | 2004-02-25 | 2005-01-05 | 石油大学(华东) | 具有近井增注作用的调剖剂 |
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 |
CN102093865A (zh) * | 2010-12-21 | 2011-06-15 | 中国石油天然气股份有限公司 | 一种用于聚合物类污染物的解堵剂 |
CN102634332A (zh) * | 2012-03-26 | 2012-08-15 | 中国石油天然气股份有限公司 | 高粘土含量砂岩油藏降压注汽用解堵剂 |
CN102925128A (zh) * | 2012-11-05 | 2013-02-13 | 中国海洋石油总公司 | 一种油田注聚井复合化学解堵剂 |
CN103881674A (zh) * | 2013-10-18 | 2014-06-25 | 中国石油化工股份有限公司 | 一种注聚堵塞井段塞组合解堵剂、制备方法及应用 |
CN104877660A (zh) * | 2014-02-28 | 2015-09-02 | 成都能生材科技开发有限责任公司 | 建造纳米孔缝的地层自生清洁潜在酸cap配制方法 |
CN104910886A (zh) * | 2014-03-12 | 2015-09-16 | 成都能生材科技开发有限责任公司 | 建造纳米孔缝的纳米采油驱油剂nda配制方法 |
CN105443104A (zh) * | 2015-06-16 | 2016-03-30 | 中国石油化工股份有限公司 | 聚合物驱堵塞井酸化后解堵方法 |
CN105860948A (zh) * | 2015-05-25 | 2016-08-17 | 成都能生材科技开发有限责任公司 | 聚合物降粘调剖降阻物理溶解剂psr配制方法 |
CN106761559A (zh) * | 2015-11-24 | 2017-05-31 | 中国石油化工股份有限公司 | 一种注聚区油水井增产增注工艺 |
CN108384529A (zh) * | 2018-05-08 | 2018-08-10 | 中联煤层气有限责任公司 | 一种油包水乳状液流体、制备方法及石油开采方法 |
CN109504359A (zh) * | 2019-01-17 | 2019-03-22 | 山东滨州昱诚化工科技有限公司 | 一种油田采油用高分子聚丙烯酰胺降解解堵剂及制备方法 |
-
2019
- 2019-05-22 CN CN201910428742.7A patent/CN110157398A/zh active Pending
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1560182A (zh) * | 2004-02-25 | 2005-01-05 | 石油大学(华东) | 具有近井增注作用的调剖剂 |
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 |
CN102093865A (zh) * | 2010-12-21 | 2011-06-15 | 中国石油天然气股份有限公司 | 一种用于聚合物类污染物的解堵剂 |
CN102634332A (zh) * | 2012-03-26 | 2012-08-15 | 中国石油天然气股份有限公司 | 高粘土含量砂岩油藏降压注汽用解堵剂 |
CN102925128A (zh) * | 2012-11-05 | 2013-02-13 | 中国海洋石油总公司 | 一种油田注聚井复合化学解堵剂 |
CN103881674A (zh) * | 2013-10-18 | 2014-06-25 | 中国石油化工股份有限公司 | 一种注聚堵塞井段塞组合解堵剂、制备方法及应用 |
CN104877660A (zh) * | 2014-02-28 | 2015-09-02 | 成都能生材科技开发有限责任公司 | 建造纳米孔缝的地层自生清洁潜在酸cap配制方法 |
CN104910886A (zh) * | 2014-03-12 | 2015-09-16 | 成都能生材科技开发有限责任公司 | 建造纳米孔缝的纳米采油驱油剂nda配制方法 |
CN105860948A (zh) * | 2015-05-25 | 2016-08-17 | 成都能生材科技开发有限责任公司 | 聚合物降粘调剖降阻物理溶解剂psr配制方法 |
CN105443104A (zh) * | 2015-06-16 | 2016-03-30 | 中国石油化工股份有限公司 | 聚合物驱堵塞井酸化后解堵方法 |
CN106761559A (zh) * | 2015-11-24 | 2017-05-31 | 中国石油化工股份有限公司 | 一种注聚区油水井增产增注工艺 |
CN108384529A (zh) * | 2018-05-08 | 2018-08-10 | 中联煤层气有限责任公司 | 一种油包水乳状液流体、制备方法及石油开采方法 |
CN109504359A (zh) * | 2019-01-17 | 2019-03-22 | 山东滨州昱诚化工科技有限公司 | 一种油田采油用高分子聚丙烯酰胺降解解堵剂及制备方法 |
Non-Patent Citations (3)
Title |
---|
夏光等: "一种适合海上油田的自生酸体系", 《钻井液与完井液》 * |
彭雪飞等: "渤海油田注聚井解堵技术研究与应用", 《中国石油和化工标准与质量》 * |
马宝岐等: "《油田化学原理与技术》", 30 April 1995, 石油工业出版社 * |
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Application publication date: 20190823 |
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RJ01 | Rejection of invention patent application after publication |