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作 者:刘卫丽[1] 夏小春[1] 王文利[1] 易勇[1]
机构地区:[1]中海油田服务股份有限公司油田化学研究院,河北燕郊065201
出 处:《钻井液与完井液》2017年第3期64-67,共4页Drilling Fluid & Completion Fluid
基 金:"十二五"国家重大专项子课题"复杂压力体系油藏钻完井全过程储层保护技术"(2011ZX05057-002-002)
摘 要:磺化沥青中磺酸钠基含量为衡量其质量好坏的重要指标,其含量越高,性能越好。采用离子色谱与元素分析仪相结合,建立了1种快捷地测定磺化沥青中磺酸钠基含量的方法。此方法测定每个样品结果的相对标准偏差(RSD)均小于1%(n=5),表明该方法具有良好重复性。经实验表明,此方法简单快速可靠,可便捷地应用于磺化沥青中磺酸钠基含量的测定。Sulfonated asphaltene, an additive widely found in water base and oil base drilling fuids,is generally used to effectively plug the micro fractures, prevent sloughing shales from collapsing, and inhibit shale from becoming hydrated. It also has good lubricity, emulsifying capacity, and abilities to reduce flter loss and to stabilize mud properties at elevated temperatures. The content of sodium sulfonate in sulfonated asphaltene is an important index ofevaluating the quality of the sulfonated asphaltene; the higher the content of the sodium sulfonate, the better the quality of the sulfonated asphaltene. In laboratory studies, the ion chromatography and element analyzer were used together to establish a fast way of measuring the content of sodium sulfonate in sulfonated asphaltene. Using this method, the relative standard deviation (RSD) of the measuring result of each sample was less than 1% (n=5), indicating that this method had good repeatability. Experimental results demonstrated that this method is fast, reliable and easy to use in measuring the sodium sulfonate content in a sulfonated asphaltene.
分 类 号:TE254.1[石油与天然气工程—油气井工程]
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