CN104610492A - 压裂液用降阻剂及其制备方法、适于页岩气压裂的压裂液 - Google Patents

压裂液用降阻剂及其制备方法、适于页岩气压裂的压裂液 Download PDF

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CN104610492A
CN104610492A CN201410834113.1A CN201410834113A CN104610492A CN 104610492 A CN104610492 A CN 104610492A CN 201410834113 A CN201410834113 A CN 201410834113A CN 104610492 A CN104610492 A CN 104610492A
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friction reducer
oil
fracturing
aqueous phase
fracturing fluid
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CN104610492B (zh
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张鼎业
徐太平
李栓
王鹏
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Sichuan Anton Oil & Gas Engineering Technology Service Co ltd
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Abstract

本发明公开了一种压裂液用降阻剂及其制备方法、适于页岩气压裂的压裂液,其中降阻剂的分子式为:

Description

压裂液用降阻剂及其制备方法、适于页岩气压裂的压裂液
技术领域
本发明涉及一种压裂液用降阻剂及其制备方法、适于页岩气压裂的压裂液,属于油田压裂技术领域。
背景技术
根据含气页岩矿物质含量的不同,页岩气井压裂使用的压裂液主要有氮气泡沫、凝胶和水基压裂液。水基压裂液可以在不减产的前提下节约30%的成本,在很多低渗透致密气、页岩气、煤层气藏储层改造中取得很好的效果。碳酸盐含量较高的页岩通常选择水基压裂液,粘土含量较高的页岩选择水基压裂液和凝胶混合压裂方式。页岩气储层特点不同,其选择的压裂液也不同:脆性页岩压裂液选用低粘度的水基压裂液;脆性中等的页岩选用复合压裂液,即降阻水和线性胶或交联压裂液复合;塑性页岩选用高粘度的交联压裂液。线性胶压裂液、交联压裂液都存在着残渣量高、对地层伤害较大等问题,泡沫压裂液存在成本高及施工安全等问题。
发明内容
有鉴于此,本发明实施例提供一种压裂液用降阻剂及其制备方法、适于页岩气压裂的压裂液,主要目的是降低对地层的伤害。
为达到上述目的,本发明主要提供如下技术方案:
一方面,本发明实施例提供了一种压裂液用降阻剂,其分子式为:
其中,X、Y、Z为整数,m为3-6的整数,n为2-4的整数。
作为优选,所述降阻剂由水相和油相结合进行反向乳液聚合而成,其中水相中各单体与水的重量份为:丙烯酰胺0.7-1.3份,2-丙烯酰胺-2-甲基丙磺酸0.7-1.5份,水1份;
油相中各单体与油的重量份为:全氟丙烯酸0.1:-0.30份,吐温800.1-0.3份,OP-100.1-0.3份和白油1份;
水相与油相的重量份配比为:1:0.3-0.8。
另一方面,本发明实施例提供了一种上述降阻剂的制备方法,包括如下步骤:
选定丙烯酰胺、2-丙烯酰胺-2-甲基丙磺酸,按照一定比例溶解于去离子水中,配制成水相;
选定全氟丙烯酸酯、吐温80和白油按照一定比例进行配比组成油相;
将上述水相与油相按照一定比例配比,充分混合后形成稳定的油包水反相乳液基液;
利用引发剂进行催化引发,最终合成所述降阻剂。
作为优选,所述引发剂为过硫酸铵。
另一方面,本发明实施例提供了一种适于页岩气压裂的压裂液,由下述组分按质量百分比组成:
其中降阻剂为上述降阻剂。
与现有技术相比,本发明的有益效果在于:
本发明实施例的降阻剂溶胀速度快、黏度低2~30mPa.s可调,浓度为0.05%时,降阻率可达到76.5%,表面张力降至25mN/m以下,返排液表面张力较低,具有回收再循环利用的基础。页岩防膨效果好,页岩防膨率超过80%,对页岩地层伤害率较低,仅为5.33%。现场应用表明,本发明实施例的降阻剂可有效降低摩阻,携砂性能优异,可在页岩气和其他低渗透致密油气藏的开发中推广应用。可实现压裂液在线配制、根据施工情况调整压裂液的用量,降低浪费、减少污染。
具体实施方式
下面结合具体实施例对本发明作进一步详细描述,但不作为对本发明的限定。在下述说明中,不同的“一实施例”或“实施例”指的不一定是同一实施例。此外,一或多个实施例中的特定特征、结构、或特点可由任何合适形式组合。
实施例1
将0.7-1.3重量份的丙烯酰胺、0.7-1.5重量份的2-丙烯酰胺-2-甲基丙磺酸溶解于1重量份的去离子水中,配制成水相;
将0.1:-0.3重量份的全氟丙烯酸酯、0.1-0.3重量份的吐温80和0.1-0.3重量份的OP-10加入到1重量份的白油中组成油相;
将上述水相1重量份与油相0.3-0.8重量份配比,充分混合后形成稳定的油包水反相乳液基液;
利用引发剂进行催化引发,最终合成分子式如下的降阻剂:
上式中,X、Y、Z为整数,m为3-6的整数,n为2-4的整数。
其中引发剂为过硫酸铵。
本发明实施例的降阻剂溶胀速度快、黏度低2~30mPa.s可调,浓度为0.05%时,降阻率可达到76.5%,表面张力降至25mN/m以下,返排液表面张力较低,具有回收再循环利用的基础。页岩防膨效果好,页岩防膨率超过80%,对页岩地层伤害率较低,仅为5.33%。
实施例2
适于页岩气压裂的压裂液,各组分的重量百分含量如下:0.1%降阻剂、0.3%的助排剂(ADB-1)、0.5%的粘土稳定剂(AND-1)和0.05%杀菌剂(ADS-1)。降阻剂为实施例1的降阻剂。
将实施例2的压裂液进行性能测试,结果见下表1。
表1
项目 指标
密度(20℃±1℃),g/cm3 0.98
PH值 7
25℃下0.1%水溶液粘度,mPa·s 6
降阻率,% 75.6
耐温性80℃,0.1%溶液剪切120min,mPa·s 5
溶胀时间,min(25℃下,0.1%水溶液) 2
表面张力,mN/m 22.4
防膨率,% 87.5
以上实施例仅为本发明的示例性实施例,不用于限制本发明,本发明的保护范围由权利要求书限定。本领域技术人员可以在本发明的实质和保护范围内,对本发明做出各种修改或等同替换,这种修改或等同替换也应视为落在本发明的保护范围内。

Claims (5)

1.压裂液用降阻剂,其特征在于:其分子式为:
其中,X、Y、Z为整数,m为3-6的整数,n为2-4的整数。
2.根据权利要求1所述的压裂液用降阻剂,其特征在于,所述降阻剂由水相和油相结合进行反向乳液聚合而成,其中水相中各单体与水的重量份为:丙烯酰胺0.7-1.3,2-丙烯酰胺-2-甲基丙磺酸0.7-1.5,水1;
油相中各单体与油的重量份为:0.1-0.3份全氟丙烯酸酯,0.1-0.3份的吐温80,0.1-0.3份的OP-10和1份的白油;
水相与油相的重量份配比为:1:0.3-0.8。
3.根据权利要求1或2所述的降阻剂的制备方法,其特征在于,包括如下步骤:
选定丙烯酰胺、2-丙烯酰胺-2-甲基丙磺酸,按照一定比例溶解于去离子水中,配制成水相;
选定全氟丙烯酸酯、吐温80和白油按照一定比例进行配比组成油相;
将上述水相与油相按照一定比例配比,充分混合后形成稳定的油包水反相乳液基液;
利用引发剂进行催化引发,最终合成所述降阻剂。
4.根据权利要求3所述的降阻剂的制备方法,所述引发剂为过硫酸铵。
5.适于页岩气压裂的压裂液,其特征在于,由下述组分按质量百分比组成:
其中所述降阻剂为权利要求1或2所述的降阻剂。
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104817657A (zh) * 2015-05-19 2015-08-05 长江大学 一种憎水憎油含氟基团修饰的反相乳液水力压裂用减阻剂
CN104877072A (zh) * 2015-05-19 2015-09-02 长江大学 一种含氟修饰的水包水高返排、低伤害滑溜水压裂液体系减阻剂
CN109486478A (zh) * 2017-09-13 2019-03-19 安庆五宁精细化工有限责任公司 页岩气压裂用多功能降阻剂及其制备方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102558435A (zh) * 2011-12-26 2012-07-11 中国海洋石油总公司 一种含氟两亲聚合物原油降粘剂及其制备方法
CN103275691A (zh) * 2013-06-03 2013-09-04 深圳市百勤石油技术有限公司 一种页岩油气藏可重复利用的滑溜水压裂液
CN103755868A (zh) * 2013-12-23 2014-04-30 郑州三山石油技术有限公司 页岩气滑溜水压裂用降阻剂及其制备方法
CN104211855A (zh) * 2013-06-05 2014-12-17 中国石油化工股份有限公司 一种丙烯酰胺共聚物及其制备方法与应用
CN104448125A (zh) * 2013-09-24 2015-03-25 中国石油化工股份有限公司 两性疏水缔合聚合物及其制备方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102558435A (zh) * 2011-12-26 2012-07-11 中国海洋石油总公司 一种含氟两亲聚合物原油降粘剂及其制备方法
CN103275691A (zh) * 2013-06-03 2013-09-04 深圳市百勤石油技术有限公司 一种页岩油气藏可重复利用的滑溜水压裂液
CN104211855A (zh) * 2013-06-05 2014-12-17 中国石油化工股份有限公司 一种丙烯酰胺共聚物及其制备方法与应用
CN104448125A (zh) * 2013-09-24 2015-03-25 中国石油化工股份有限公司 两性疏水缔合聚合物及其制备方法
CN103755868A (zh) * 2013-12-23 2014-04-30 郑州三山石油技术有限公司 页岩气滑溜水压裂用降阻剂及其制备方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
宋新旺: "丙烯酰胺/2-丙烯酰胺基-2-甲基-丙磺酸钠/全氟己基乙基甲基丙烯酸酯三元共聚物的疏水缔合性质", 《石油化工》 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104817657A (zh) * 2015-05-19 2015-08-05 长江大学 一种憎水憎油含氟基团修饰的反相乳液水力压裂用减阻剂
CN104877072A (zh) * 2015-05-19 2015-09-02 长江大学 一种含氟修饰的水包水高返排、低伤害滑溜水压裂液体系减阻剂
CN104877072B (zh) * 2015-05-19 2017-03-29 长江大学 一种含氟修饰的水包水高返排、低伤害滑溜水压裂液体系减阻剂
CN109486478A (zh) * 2017-09-13 2019-03-19 安庆五宁精细化工有限责任公司 页岩气压裂用多功能降阻剂及其制备方法

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