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石油矿井筒的气举卸载优化控制仿真研究
  • ISSN号：1006-9348
  • 期刊名称：《计算机仿真》
  • 时间：0
  • 分类：TE355[石油与天然气工程—油气田开发工程]
  • 作者机构：[1]长江大学机械工程学院,荆州434023, [2]新疆油田分公司彩南油田作业区,克拉玛依834000, [3]新疆油田分公司工程技术研究院,克拉玛依834000, [4]长江大学工程技术学院,荆州434023, [5]中国石油天然气集团公司采油采气重点实验室长江大学分室,荆州434023
  • 相关基金：国家自然科学基金（61572084）; 教育部博士点基金（20114220110001）资助
作者： 李梦霞[1,2], 廖锐全[2], 李军亮[2], 罗威[2,3]
关键词： 聚合物驱, 抽油杆柱, 偏磨, 液体阻力, 数值模拟, polymer flooding, sucker rod, eccentric wear, liquid resistance, numerical simulation
中文摘要：

聚合物驱技术在提高油田采收率的同时,带来了抽油杆严重偏磨的问题。在分析聚驱产出液黏度变化和流变特性的基础上,运用计算流体动力学（CFD）方法模拟抽油杆下行过程中杆管环空的流体流动,得到液体阻力随抽油杆运动速度的变化。引入流体修正系数1.58修正水驱计算式;另外,分段拟合了液体通过游动阀产生的阻力曲线,方便抽油杆柱的载荷分布计算。通过对10口井共30种工况下的抽油杆载荷进行计算,比较了实测数据,得到井口处最大、最小载荷的最大偏差分别为7.31%、13.34%。认为两者间具有较好的吻合性,较好地验证了计算方法的可靠性,为聚合物驱抽油杆的防偏磨设计计算打下了基础。

英文摘要：

Polymer flooding technology is useful for the recovery in the oil field and brings the serious problem of partial wear of sucker rod simultaneously. In this paper,the viscosity and rheological properties of poly produced fluid are investigated,and the computational fluid dynamics（ CFD） method is used to simulate the rod tube annulus fluid flow. Through investigating the fluid resistance changed with the sucker rod movement speed,the water flooding calculation formula is fixed with the correction coefficient of 1. 58. In addition,the resistance curve of liquid through traveling valve is piecewise fitted for the convenience of load calculation. Furthermore,the sucker rod loads are computed at total of 30 cases of 10 wells to shows the maximum deviations of the maximum and minimum load are 7. 31% and 13. 34% respectively,which shows a consistency between calculation and test. This study verifies the reliability of the calculation method and provides a foundation for wear preventing design of polymer flooding rod.

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期刊信息
  • 《计算机仿真》
  • 北大核心期刊（2011版）
  • 主管单位:中国航天科技科工集团公司
  • 主办单位:中国航天科工集团公司第十七研究所
  • 主编：吴连伟
  • 地址：北京市海淀区阜成路14号
  • 邮编：100048
  • 邮箱：jsjfz@compusimu;kwcoltd@public.bta.net.cn
  • 电话：010-59475138
  • 国际标准刊号：ISSN：1006-9348
  • 国内统一刊号：ISSN：11-3724/TP
  • 邮发代号:82-773
  • 获奖情况:
  • 国内外数据库收录:
  • 中国中国科技核心期刊,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）
  • 被引量:38378