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轻质油蜡样分析和固体防蜡剂的研制
引用本文:周成裕,陈明燕,陈馥,萧瑛,黄文章. 轻质油蜡样分析和固体防蜡剂的研制[J]. 西南石油大学学报(社会科学版), 2011, 32(6): 159-163. DOI: 10.3863/j.issn.1674-5086.2010.06.032
作者姓名:周成裕  陈明燕  陈馥  萧瑛  黄文章
作者单位:1.重庆科技学院化学化工学院,重庆 沙坪坝 401331;2.西南石油大学化学化工学院,四川 成都 610500;3.中国石油西南油气田分公司重庆气矿,重庆 江北 401120
摘    要:针对我国西部部分油田油井结蜡而存在的生产实际问题,现场采集了油井的结蜡样品,运用X射线粉末衍射、红外光谱和扫描电镜等对采集蜡样进行了分析研究,得出蜡样中含有芳烃、正构烷烃和沥青质等相对大的颗粒物质。根据蜡样的特点,在室内对固体防蜡剂的主剂和助剂等进行了优选和复配,最终研制出了适用于轻质油油井防蜡用的固体防蜡剂。运用自制的实验装置对该固体防蜡剂在原油中的各种性能进行了室内研究,得出该固体防蜡剂的溶解速度分别为1.094mg/L?min-1(50℃)、2.112mg/L?min-1(55℃)、4.925mg/L?min-1(60℃)时,防蜡效果较好,当其达到一定浓度时,防蜡率超过50%。并通过评价结果分析研究了防蜡剂产生效果的机理,同时得出了在油田现场实际施工时要注意井深情况的结论。

关 键 词:油井防蜡   蜡样分析   研制   评价   机理

ANALYSIS OF LIGHT DISTILLATE OIL WAX SAMPLE AND DEVELOPMENT OF SOLID PARAFFIN INHIBITOR
ZHOU Cheng-yu,,CHEN Ming-yan,CHEN Fu,XIAO Ying,HUANG Wen-zhang. ANALYSIS OF LIGHT DISTILLATE OIL WAX SAMPLE AND DEVELOPMENT OF SOLID PARAFFIN INHIBITOR[J]. Journal of Southwest Petroleum University(Social Sciences Edition), 2011, 32(6): 159-163. DOI: 10.3863/j.issn.1674-5086.2010.06.032
Authors:ZHOU Cheng-yu    CHEN Ming-yan  CHEN Fu  XIAO Ying  HUANG Wen-zhang
Affiliation:1.College of Chemistry & Chemical Engineering,Chongqing University of Science & Technology,Shapingba Chongqing 401331,China;2.College of Chemical Engineering,Southwest Petroleum University,Chengdu Sichuan,610500,China;3.Chongqing Gas Field,Southwest Oil & Gas Field,PetroChina,Jiangbei Chongqing 401120,China
Abstract:According to the production conditions and problems caused by wax deposition of some oilfields in Xinjiang,the clean oil paraffin sample are gathered,and the result indicates that aromatic hydrocarbon,normal paraffin hydrocarbons and coarse-grained material such as asphaltene are contained in paraffin sample and the result is obtained by using XRD diffraction,the infrared spectrum and SEM.The SW-solid paraffin inhibitor which is suitable for oilfield is developed by optimizing host crystal and additives in laboratory.The experiment performance results in laboratory are obtained by using self-made experimental apparatus.The performances include dissolving rate (50℃:1.094mg/L?min-1,55℃:2.112mg/L?min-1,60℃:4.925mg/L?min-1),paraffin control effect (good),paraffin control efficiency (available 51.25%),and the effect mechanism is analyzed by the experimental result.It can be concluded that well depth should be noticed in actual oilfield construction.
Keywords:oil-well paraffin prevention   wax sample analysis   development   evaluation   mechanism
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