Study on a general mathematical model for suck and pumping system

doi:10.7623/syxb200805026

Editorial office of ACTA PETROLEI SINICA ›› 2008, Vol. 29 ›› Issue (5): 769-772.DOI: 10.7623/syxb200805026

• Petroleum Engineering • Previous Articles Next Articles

Study on a general mathematical model for suck and pumping system

LIU Leiming¹, ZHANG Faqiang², YAN Chengyu³, YIN Jinyin², HUANG Xuebin²

1. School of Information Engineering, University of Science and Technology Beijing, Beijing 100083, China;
2. Sinopec Petroleum Exploration and Production Research Institute, Beijing 100083, China;
3. First Oil Production Plant, PetroChina Daqing Oilfield Limited Company, Daqing 163001, China

Received:2007-12-03 Revised:2008-04-10 Online:2008-09-25 Published:2010-05-21

有杆抽油系统通用数学模型研究

刘磊明¹, 张发强², 闫成玉³, 殷进垠², 黄学斌²

1. 北京科技大学信息工程学院, 北京, 100083;
2. 中国石化石油勘探开发研究院, 北京, 100083;
3. 大庆油田有限责任公司采油一厂, 黑龙江大庆, 163001

作者简介:刘磊明,女,1977年1月生,2006年获北京科技大学博士学位,现为北京科技大学信息工程学院讲师,主要从事系统辨识、模式识别、网络控制、生产过程智能控制等`方面的研究.E-mail:leiming.liu@163.com
基金资助:
中国石油化工集团公司重点科技项目(P06075)“勘探开发关键技术预研”资助

Abstract

Abstract: A mathematical model was proposed for describing the longitudinal and transverse vibrations of sucker-rod string,longitudinal vibration of tubing string coupled with fluid columns vibration in the directional and horizontal well bore with plane curve.The relationships on several given mathematical models were discussed.Based on different assumptions,the characteristic transformation for a set of partial differential equations of the mathematical model was given,and a set of diagonal partial differential equations were obtained.The relatively complex model could be transformed into a reduced model that is easy to be solved.The generated model is suitable to prediction,design and fault diagnosis of suck and pumping system.

Key words: directional well, suck and pumping system, sucker-rod string, tubing string, vibrations, mathematical model

摘要： 针对定向井有杆抽油系统,在井眼为平面曲线的情况下,给出了描述抽油杆柱横向和纵向振动以及管柱有纵向振动并耦合液柱振动的数学模型,讨论了有杆抽油系统几种主要数学模型间的关系。对于模型描述的杆柱、管柱、液柱振动的偏微分方程组给出了特征变换,转化成对角方程组,使问题的数值计算方法得到了简化,从而给出了有效解法。新的数学模型适用于有杆抽油系统的预测、设计以及抽油系统故障诊断的模式识别。

关键词: 定向井, 有杆抽油系统, 抽油杆杆柱, 管柱, 振动, 数学模型

CLC Number:

TE833

LIU Leiming, ZHANG Faqiang, YAN Chengyu, YIN Jinyin, HUANG Xuebin. Study on a general mathematical model for suck and pumping system[J]. Editorial office of ACTA PETROLEI SINICA, 2008, 29(5): 769-772.

刘磊明, 张发强, 闫成玉, 殷进垠, 黄学斌. 有杆抽油系统通用数学模型研究[J]. 石油学报, 2008, 29(5): 769-772.

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Study on a general mathematical model for suck and pumping system

有杆抽油系统通用数学模型研究

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