| 定向井有杆泵抽油系统数学模型的改进 |
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| 引用本文： | 王大勇,徐士进,陆现彩.定向井有杆泵抽油系统数学模型的改进[J].辽宁工程技术大学学报(自然科学版),2004,23(6):785-787. |
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| 作者姓名： | 王大勇 徐士进 陆现彩 |
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| 作者单位： | 南京大学,地球科学系,江苏,南京,210093 |
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| 摘 要： | 通过对有杆泵抽油系统进行井身曲线的空间分析,运用空间解析几何原理,求得相邻单位元的轴向夹角,在此基础上进行节点受力与位移的动力学分析,建立了有杆泵抽油系统的修正模型。并以马岭南 29-11(1993/11/09)的井身曲线为例,计算对比了模型与传统模型的区别,结果表明方法简单易行,也没有计算量的显著增加,且可以极大地提高计算精度。
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| 关 键 词： | 有杆泵 数学模型 动力学分析 定向井 |
| 文章编号： | 1008-0562(2004)06-0785-03 |
| 修稿时间： | 2003年8月2日 |
Modified mathematical model of directional sucker-rod pumping system |
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| WANG Da-yong,XU Shi-jin,LU Xian-cai.Modified mathematical model of directional sucker-rod pumping system[J].Journal of Liaoning Technical University (Natural Science Edition),2004,23(6):785-787. |
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| Authors: | WANG Da-yong XU Shi-jin LU Xian-cai |
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| Abstract: | In this paper, based on the methods of space analytic geometry, the angle between the adjacent sections was analysed and computed, which was used in decompounding of force and displacement of joints of pumping system. Further, a modified mathematical model is proposed. And the model was employed in the dynamic analysis of the Malingnan29-11 Well (1993/11/09). The results showed that the modification could greatly improve the accuracy of the original models of sucker-rod pumping system without any addition of the computational cost. And it could be easily applied in the analysis of different pumping systems. |
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| Keywords: | sucker-rod mathematical model directional well dynamic analysis |
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