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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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玉门稠油组分特征及其对结蜡行为的影响
, PP. 187-192
Keywords: 稠油,饱和烃,胶质,沥青质,结蜡
Abstract:
？为了研究稠油不同组分的特征及其相互作用，利用柱层色谱分离法、傅里叶红外光谱、差示扫描量热法（dsc）和偏光显微分析等表征方法及手段，对采自玉门油田的稠油样品进行了组分分离、分析，并对饱和烃组分结蜡行为的影响进行了研究。结果表明，稠油各组分相互作用可以有效抑制蜡晶的析出。饱和烃组分（a1）中分别加入其他不同极性组分后，其结蜡行为与原油原始状态差异较大；a1的析蜡点、析蜡峰温和析蜡量均有所降低。偏光显微分析发现胶质沥青质组分使a1冷却结晶时的蜡晶颗粒数增多，尺寸相对减小，可以减弱蜡晶之间的联结强度，削弱蜡晶缔合而形成大块蜡晶聚集体的倾向。
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