同轴式双空心抽油杆下入深度设计方法

付亚荣

doi:10.3969/j.issn.1001-0890.2012.04.021

同轴式双空心抽油杆下入深度设计方法

付亚荣

中国石油华北油田分公司第五采油厂,河北辛集 052360

详细信息

作者简介:
付亚荣(1965—),男,四川平昌人,1987年毕业于重庆石油学校油田应用化学专业,高级工程师,主要从事油气田开发技术研究与应用工作。联系方式(0317)2742299,cy5-fyr@petrochina.com.cn。

中图分类号: TE933⁺.2
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出版历程
- 收稿日期: 2011-11-21
- 修回日期: 2012-06-11
- 刊出日期: 1899-12-31

Determination Method for the Landing Depth of Coaxial Dual Hollow Rod

Fu Yarong

No.5 Oil Production Plant of Huabei Oilfield Company,PetroChina,Xinji,Hebei,052360,China

摘要

摘要: 同轴式双空心抽油杆加热系统可有效解决高凝油井井筒易结蜡、稠油井产液黏度较高的问题,但考虑油井生产效率、开采成本及综合的经济效益,需要计算出最佳的抽油杆下入深度。以井口出油温度最优为目标,同轴式双空心抽油杆下入深度、循环水进口温度为约束条件,建立了井口出油温度C计算模型。利用该模型进行求解时,先用迭代法进行同轴式双空心抽油杆下入深度优化,然后在优化结果基础上进行抽油机载荷校核。建立的井口出油温度计算模型及同轴式双空心抽油杆下入深度确定方法,在现场13口油井进行了应用。结果表明,该方法避免了以前设计人员凭经验确定抽油杆下深的弊端,可靠性更高,且有效时率平均提高14.1百分点,既满足了生产需要又节省了油井开发成本。
- 高凝原油 /
- 稠油开采 /
- 空心抽油杆 /
- 下入深度 /
- 数学模型 /
- 迭代法
Abstract: Coaxial hollow rod heating system is effective in solving the problem of wax deposition in borehole for high pour point oil well and high viscosity for heavy oil well.However,considering oil well production efficiency,cost and comprehensive economic benefit,it’s necessary to calculate the optimal landing depth of the sucker rod.Aiming at wellhead oil temperature optimum and taking sucker rod depth and circulating water inlet temperature as constraints,the wellhead oil temperature C(x,t)relation model was established.In the model,it first uses iterative method to optimize the landing depth of coaxial hollow rod and then checks the pumping load based on the optimization results.This model has been used in 13 oil wells instead of sucker rod depth estimation from experience.The effective rate increased by 14.1 percentage which meets the production needs and saves the cost of well development.
- high pour point crude /
- viscous oil recovery /
- hollow rod /
- landing depth /
- mathematical model /
- iteration method

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参考文献(14)

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同轴式双空心抽油杆下入深度设计方法

作者简介: 付亚荣(1965—),男,四川平昌人,1987年毕业于重庆石油学校油田应用化学专业,高级工程师,主要从事油气田开发技术研究与应用工作。联系方式(0317)2742299,cy5-fyr@petrochina.com.cn。

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出版历程

Determination Method for the Landing Depth of Coaxial Dual Hollow Rod

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目录

作者简介:
付亚荣(1965—),男,四川平昌人,1987年毕业于重庆石油学校油田应用化学专业,高级工程师,主要从事油气田开发技术研究与应用工作。联系方式(0317)2742299,cy5-fyr@petrochina.com.cn。