耐温230℃的新型超高温压裂液体系

杨振周; 刘付臣; 宋璐璐; 林厉军

doi:10.3969/j.issn.1001-5620.2018.01.019

耐温230℃的新型超高温压裂液体系

doi: 10.3969/j.issn.1001-5620.2018.01.019

杨振周^1,2,
刘付臣^1,2,
宋璐璐^1,2,
林厉军^1,2

1. 中国石油集团工程技术研究院, 北京 102206;
2. 中国石油休斯敦技术研究中心, 北京 100028

基金项目:

中国石油天然气集团公司重大科技专项“储层改造工作液及关键工具研发”（2013E-3807）资助。

详细信息

作者简介:
杨振周,教授级高工,博士,长期从事油气藏增产理论与技术方面的研究。电话(010)63593195;E-mail:yzz69@163.com。

中图分类号: TE357.12
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出版历程
- 收稿日期: 2017-11-05
- 刊出日期: 2018-01-30

A New Fracturing Fluid with Temperature Resistance of 230℃

1. CNPC Drilling Research Institute, Beijing 102206;
2. CNPC Houston R & D Center, Beijing 100028

摘要

摘要: 目前使用的天然植物胶压裂液，耐温极限约为177℃。为了解决压裂液的耐超高温问题，通过大量的室内实验，筛选出新型的超高温稠化剂、耐高温的锆交联剂、高温稳定剂和有效的破胶剂，形成了一种耐温在200～230℃的超高温压裂液体系。实验结果表明，这些添加剂协同作用下，形成适用于地层温度高于常规冻胶耐温极限的超高温聚合物压裂液体系，该压裂液在230℃时具有很好的耐温耐剪切性能，并且显著降低了聚合物用量，可以实现完全破胶，对支撑剂导流层的伤害小。
- 压裂液 /
- 超高温 /
- 合成聚合物 /
- 交联剂 /
- 破胶剂
Abstract: The natural vegetable gum fracturing fluid presently in use works effectively at temperatures up to 177℃. To fracture formations with higher temperatures, a fracturing fluid with temperature resistance of 200-230℃ has been developed with ultrahigh temperature thickening agent, high temperature resistant zirconium crosslinking agent, high temperature stabilizer and efficient gel breaker through large quantity of laboratory experiments. The experimental results showed that, under the synergetic effect of these additives, the fracturing fluid is suitable for use in fracturing formations whose temperatures are higher than the temperature limit of conventional gels. The fracturing fluid has good shear-resistance property at high temperatures up to 230℃, and the polymer consumption for formulating the fracturing fluid is obviously reduced. Complete gel breaking can be realized with the fracturing fluid, and damage to the fluid conducting formations with proppants is low.
- Fracturing fluid /
- Ultra high temperature /
- Synthetic polymer /
- Crosslinking agent /
- Gel breaker

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参考文献(11)

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