CN1760319A - Cleanup additive in use for acidification in high temperature - Google Patents
Cleanup additive in use for acidification in high temperature Download PDFInfo
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- CN1760319A CN1760319A CN 200510044934 CN200510044934A CN1760319A CN 1760319 A CN1760319 A CN 1760319A CN 200510044934 CN200510044934 CN 200510044934 CN 200510044934 A CN200510044934 A CN 200510044934A CN 1760319 A CN1760319 A CN 1760319A
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- acidification
- high temperature
- cleanup additive
- acid
- water
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Abstract
Description
Working concentration, % | 0.0 | 0.25 | 0.5 | 1.0 | 2.0 |
Surface tension, mN/m | 77.3 | 26.4 | 21.3 | 20.5 | 19.7 |
Sheet glass and acid solution wetting angle 2), ° | 131 | 108 | 86 | 85 | 85 |
1) test temperature is 90 ℃, 20% hydrochloric acid+embodiment product+2% inhibiter acid fluid system: 2) soak the wetting angle of 4h back glass sheet to water in 20% hydrochloric acid+embodiment product+2% inhibiter acid fluid system. |
Acid solution | Hydrochloric acid | Mud acid 2) | ||||
10% | 20% | 30% | 10% | 20% | 30% | |
Surface tension, mN/m | 19.8 | 20.5 | 20.8 | 18.9 | 19.5 | 20.1 |
Sheet glass and acid solution wetting angle, ° | 85 | 85 | 84 | 87 | 86 | 87 |
1) testing temperature is 90 ℃, 15%HCl+5%HF+1% embodiment product+2% inhibiter acid fluid system; 2) soak the wetting angle of 4h back glass sheet in 15%HCl+5%HF+1% embodiment product+2% inhibiter acid fluid system to water. |
Test temperature, ℃ | 120 | 150 | 210 |
Surface tension, mN/m | 20.5 | 21.4 | 27.6 |
Sheet glass and acid solution wetting angle, ° | 85 | 84 | 86 |
1) behind the constant temperature 12h, 90 ℃ of conditions are measured each index to 20% hydrochloric acid+10% embodiment product+2% inhibiter acid fluid system under hot conditions. |
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005100449346A CN100358969C (en) | 2005-10-18 | 2005-10-18 | Cleanup additive in use for acidification in high temperature |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005100449346A CN100358969C (en) | 2005-10-18 | 2005-10-18 | Cleanup additive in use for acidification in high temperature |
Publications (2)
Publication Number | Publication Date |
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CN1760319A true CN1760319A (en) | 2006-04-19 |
CN100358969C CN100358969C (en) | 2008-01-02 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CNB2005100449346A Expired - Fee Related CN100358969C (en) | 2005-10-18 | 2005-10-18 | Cleanup additive in use for acidification in high temperature |
Country Status (1)
Country | Link |
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CN (1) | CN100358969C (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102002354A (en) * | 2010-11-02 | 2011-04-06 | 上海大学 | Oil displacement agent with ultra-low oil-water interfacial tension and application thereof |
CN102295919A (en) * | 2011-05-30 | 2011-12-28 | 西南石油大学 | High efficient fluoride-free cleanup additive used for acidifying |
CN102373054A (en) * | 2010-08-12 | 2012-03-14 | 中国石油天然气股份有限公司 | Visco-elastic surfactant acidizing liquid |
CN102533243A (en) * | 2010-12-10 | 2012-07-04 | 中国石油化工股份有限公司 | Fracture acidizing cleanup additive of fluorine-containing carbon chain Gemini surfactant and preparation method thereof |
CN103215020A (en) * | 2012-01-18 | 2013-07-24 | 中国石油天然气股份有限公司 | Preparation method of wetting improving agent for gas well fracturing |
CN103820096A (en) * | 2012-11-16 | 2014-05-28 | 中国石油天然气股份有限公司 | Efficient cleanup additive for gas well and preparing method of efficient cleanup additive |
CN108239532A (en) * | 2016-12-26 | 2018-07-03 | 中国石油化工股份有限公司 | A kind of shale pressure break slippery water cleanup additive, preparation method and application |
CN115261010A (en) * | 2022-08-09 | 2022-11-01 | 郑州市新郑梅久实业有限公司 | Petroleum fracturing cleanup additive and preparation method and application thereof |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1067945A (en) * | 1991-06-15 | 1993-01-13 | 四川石油管理局天然气研究所 | Acidifying and fracturing technology cleanup additive |
CN1313562C (en) * | 2004-06-22 | 2007-05-02 | 梁利平 | High performance cleanup additive for oil and gas well and method for making same |
-
2005
- 2005-10-18 CN CNB2005100449346A patent/CN100358969C/en not_active Expired - Fee Related
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102373054A (en) * | 2010-08-12 | 2012-03-14 | 中国石油天然气股份有限公司 | Visco-elastic surfactant acidizing liquid |
CN102373054B (en) * | 2010-08-12 | 2013-07-31 | 中国石油天然气股份有限公司 | Visco-elastic surfactant acidizing liquid |
CN102002354A (en) * | 2010-11-02 | 2011-04-06 | 上海大学 | Oil displacement agent with ultra-low oil-water interfacial tension and application thereof |
CN102533243A (en) * | 2010-12-10 | 2012-07-04 | 中国石油化工股份有限公司 | Fracture acidizing cleanup additive of fluorine-containing carbon chain Gemini surfactant and preparation method thereof |
CN102533243B (en) * | 2010-12-10 | 2014-04-02 | 中国石油化工股份有限公司 | Fracture acidizing cleanup additive of fluorine-containing carbon chain Gemini surfactant and preparation method thereof |
CN102295919A (en) * | 2011-05-30 | 2011-12-28 | 西南石油大学 | High efficient fluoride-free cleanup additive used for acidifying |
CN102295919B (en) * | 2011-05-30 | 2012-09-12 | 西南石油大学 | Fluoride-free cleanup additive used for acidifying |
CN103215020A (en) * | 2012-01-18 | 2013-07-24 | 中国石油天然气股份有限公司 | Preparation method of wetting improving agent for gas well fracturing |
CN103820096A (en) * | 2012-11-16 | 2014-05-28 | 中国石油天然气股份有限公司 | Efficient cleanup additive for gas well and preparing method of efficient cleanup additive |
CN108239532A (en) * | 2016-12-26 | 2018-07-03 | 中国石油化工股份有限公司 | A kind of shale pressure break slippery water cleanup additive, preparation method and application |
CN115261010A (en) * | 2022-08-09 | 2022-11-01 | 郑州市新郑梅久实业有限公司 | Petroleum fracturing cleanup additive and preparation method and application thereof |
CN115261010B (en) * | 2022-08-09 | 2023-09-08 | 郑州市新郑梅久实业有限公司 | Petroleum fracturing cleanup additive and preparation method and application thereof |
Also Published As
Publication number | Publication date |
---|---|
CN100358969C (en) | 2008-01-02 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: PetroKMS Co., Ltd. Assignor: China Petroleum University (East China) Contract record no.: 2011990000546 Denomination of invention: Cleanup additive in use for acidification in high temperature Granted publication date: 20080102 License type: Exclusive License Open date: 20060419 Record date: 20110705 |
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C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080102 Termination date: 20111018 |