| 磺酸型表面活性剂压裂液的制备及性能研究 |
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| 引用本文： | 张锋三,沈一丁,张燕明,王磊,刘观军.磺酸型表面活性剂压裂液的制备及性能研究[J].西安石油大学学报(自然科学版),2012,27(6). |
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| 作者姓名： | 张锋三 沈一丁 张燕明 王磊 刘观军 |
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| 作者单位： | 1. 陕西科技大学教育部轻化工助剂化学与技术重点实验室,陕西西安,710021
2. 中国石油长庆油田分公司油气工艺研究院,陕西西安,710021 |
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| 基金项目： | 陕西省重大科技创新项目"生物质低伤害低摩阻清洁压裂液制备及其提高超低渗油层采收率关键技术研究"，西安市未央区科技计划项目"多功能酸性清洁压裂液的研究"，榆林市科技计划项目"酸性清洁压裂液研究" |
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| 摘 要： | 合成了一种阴离子磺酸型表面活性剂,将其与助剂配合使用作为压裂液增稠剂,在中性氯化钠溶液中反应交联,制得一种阴离子清洁压裂液.实验结果表明:体系配比为5%增稠剂+3.5%氯化钠时,性能较好,具有优良的耐温、耐剪切、流变黏弹性及携砂性,破胶彻底易返排,对岩层伤害小等特点,满足了低压、低渗透油气藏压裂液的要求.
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| 关 键 词： | 阴离子表面活性剂 黏弹性表面活性剂 压裂液 性能表征 |
Synthesis and performance of a sulfonate surfactant fracturing fluid |
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| Abstract: | A sulfonate-type anionic surfactant is synthesized,and it is used as main thickener of fracturing fluid.Crosslinker is composed of the surfactant and some additives.An anionic clean fracturing fluid is obtained by the crosslinking reaction of the crosslinker in neutral sodium chloride solution.The experimental results show that the optimum formula of the clean fracturing fluid is 5% crosslinker + 3.5%NaCl.The properties of the fracturing fluid system are evaluated.The results indicate that the fracturing fluid has better performance,such as good temperature stability,anti-shearing,rheological viscoelasticity and high sand carrying capacity.And it has more perfect gel-breaking capacity,better flow-back property and lower reservoir damage than conventional fracturing fluid.So it can meet the fracturing demands of low pressure and low permeability reservoirs. |
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| Keywords: | anionic surfactant viscoelastic surfactant fracturing fluid performance evaluation |
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