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[1]李其抚,苗青,高新楼,等.用滞回曲线法表征含蜡原油的触变过程[J].油气储运,2011,30(10):761-763.[doi:10.6047/j.issn.1000-8241.2011.10.013]
　Li Qifu,Miao Qing,Gao Xinlou,et al.Characterize the thixotropic process of waxy crude oil with hysteresis curve method[J].Oil & Gas Storage and Transportation,2011,30(10):761-763.[doi:10.6047/j.issn.1000-8241.2011.10.013]
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用滞回曲线法表征含蜡原油的触变过程

《油气储运》[ISSN:1000-8241/CN:13-1093/TE] 卷: 30 期数: 2011年10期 页码: 761-763 栏目: 出版日期: 2011-10-25
Title:
Characterize the thixotropic process of waxy crude oil with hysteresis curve method
文章编号:
1000-8241（2011）10-0761-03
作者:
李其抚1 ; 苗青1 ; 高新楼1 ; 薛向东1 ; 王龙1 ; 杨震东2;  王泽龙3
1.中国石油天然气集团公司油气储运重点实验室? 中国石油管道科技研究中心，河北廊坊 065000；
2.中国石油管道公司，河北廊坊 065000；
3.西南石油大学，四川成都 610500
Author(s):
Li Qifu; Miao Qing; Gao Xinlou; et al
Li Qifu：CNPC Key Laboratory of Oil & Gas Storage and Transportation?PetroChina Pipeline R & D Center，Langfang，Hebei，
065000.
关键词:
输油管道; 滞回曲线; 含蜡原油; 触变性; 停输再启动; 启动压力
Keywords:
crude oil pipeline; hysteresis curve; waxy crude oil; thixotropy; shutdown and restart; starting pressure
分类号:
TE832
DOI:
10.6047/j.issn.1000-8241.2011.10.013
文献标志码:
A
摘要:
随着温度的降低，含蜡原油发生胶凝，此过程中由于形成蜡晶结构，整个原油体系表现出触变特性，其对于输油管道停输再启动压力的计算起着决定性作用。采用滞回曲线法对大庆原油和马惠原油的触变过程进行实验研究，结果表明：表征含蜡原油触变性相对强弱的滞回环面积的对数值随温度升高而线性递减，且偏差值都在1% 以内。在凝点温度附近用滞回曲线法和按照SY/T 7547－1996 标准测得含蜡原油屈服值的结果偏差在10% 以内，并且在凝点温度时该值偏差最小。
Abstract:
With temperature decreasing，waxy crude oil is gelled.For the formation of wax crystal structure in this process，the entire crude
oil system appears the thixotropy，which plays a decisive role in the shutdown and restart pressure calculation of oil pipeline.
The hysteresis curve method is used to study the thixotropic process of Daqing and Mahui Crude oil.Results show that the
hysteresis curve area characterizes the thixotropy of relative strength of waxy crude.And its logarithm displays a linear decrease
with the increase of temperature.And the deviation values are within 1%.At the temperature range near the set point of waxy
crude，the deviation of yield value measured by the hysteresis curve method and SY/T7547-1996 recommended is within 10%.
Specially，when the temperature is near the set point，the deviation value is minimum.

参考文献/References:

[1]罗塘湖．原油流变学与输油工艺[M]. 北京：石油工业出版社，1995：5-10．
[2]侯磊，魏月先．含蜡原油触变性数学表征的现状与分析[C]// 中国化学会、中国力学学会第九届全国流变学学术会议论文摘要
集．2008：75-79．
[3]Mewis J，Wagner N J.Thixotropy[J].Advances in Colloid and Intedace Science，2009，147：214-227．
[4]董平省，张国忠，扈新军．描述含蜡原油触变特性的一种新模式[J]. 油气储运，2005，24（2）：29-32．
[5]李传宪．原油流变学[M]. 东营：中国石油大学出版社，2006：138-139．
[6]Kembtowski Z，Petera J.A generalized rheological model of thixotropic materials[J].J Rheology Acta，1980，19（5）：529-538．
[7]Sestak J，Houska M，Zifney R．Mixing of thixotropic fluids[J]．J Rheology，1982，26（5）：459-475．

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备注/Memo

?李其抚，助理工程师，1982 年生，2009 年硕士毕业于湘潭大学一般力学与力学基础专业，现主要从事管输原油流变学相关
技术的研究工作。电话：0316-2174496；Email：liqifu@petrochina.com.cn（收稿日期：2010-11-22）

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