[1]陈春艳,阮基富,吴利华,等. 磨溪区块龙王庙组高压气藏气井产能方程及求解方法[J].油气井测试,2021,30(02):67-73.[doi:10.19680/j.cnki.1004-4388.2021.02.013]
　CHEN Chunyan,RUAN Jifu,WU Lihua,et al. Productivity equation and solution of gas wells in high pressure gas reservoir of Longwangmiao formation, Moxi block[J].Well Testing,2021,30(02):67-73.[doi:10.19680/j.cnki.1004-4388.2021.02.013]
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 磨溪区块龙王庙组高压气藏气井产能方程及求解方法()
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《油气井测试》[ISSN:1006-6977/CN:12-1485/TE]

卷:
30卷
期数:
2021年02期
页码:
67-73
栏目:
出版日期:
2021-04-25

文章信息/Info

Title:
 Productivity equation and solution of gas wells in high pressure gas reservoir of 
Longwangmiao formation, Moxi block
文章编号:
1004-4388(2021)02-0067-07
作者:
陈春艳; 阮基富; 吴利华; 刘柳君; 杨辉; 钟礼萍
中国石油西南油气田分公司川中油气矿 四川遂宁 629001
通讯作者：Email：ruanjifu@petrochina.com.cn
Author(s):
 CHEN Chunyan;  RUAN Jifu;  WU Lihua;  LIU Liujun;  YANG Hui;  ZHONG Liping
Central Sichuan Oil and Gas District, PetroChina Southwest Oil & Gas Field Company, Suining, Sichuan 629001, China
关键词:
 ; 高压气藏; 非达西渗流; 二项式产量; n次方程; 试差法; 交会法; 产能求解; 无阻流量
Keywords:
high pressure gas reservoir;  non Darcy flow;  binomial production;  nth order equation;  trial and error method;  intersection method;  productivity solution;  open flow
分类号:
TE353
DOI:
10.19680/j.cnki.1004-4388.2021.02.013
文献标志码:
B
摘要:
高压气藏气体高速流动时属于非线性渗流，求取产能方程式中系数A、B值较为复杂和困难。通过引用二项式速度n次方程，推导出相应产能方程，提出试差法先求取指数n及方程系数A、B值，用交会法求解无阻流量。磨溪区块龙王庙组气藏9口气井中，8口井利用产量n次方拟合相关性比产量二次方拟合效果更好，计算结果与气井实际生产动态特征吻合程度高。不同的气井n值一般不同，磨溪龙王庙组气藏n值范围一般介于1～3，确切的数值范围需要现场岩芯渗流试验及更多的气井实例求得。引用二项式速度n次方渗流方程，对龙王庙组气井产能进行研究，求取气井真实产能，可为后期气井生产方案制定提供支撑。
Abstract:
The highspeed flow of gas in highpressure gas reservoir belongs to nonlinear seepage, so it is more complex and difficult to calculate the coefficients A and B in productivity equation. In this paper, the corresponding productivity equation is derived by using binomial velocity nth equation, and the trial and error method is used to obtain the exponent n and the coefficients A and B of the equation, and then the intersection method is used to solve the open flow. Among the 9 gas wells in Longwangmiao formation gas reservoir of Moxi block, the nth power fitting correlation of production of 8 wells is better than the quadratic fitting correlation of production, and the calculation results are highly consistent with the actual production performance characteristics of gas wells. The n value of different gas wells is generally different. The n value range of Longwangmiao formation gas reservoir in Moxi block is generally between 1 and 3. The exact value range needs to be obtained by field core seepage test and more gas well examples. The binomial velocity nth power seepage equation is used to study the gas well productivity of Longwangmiao formation and obtain the real gas well productivity, which can provide support for later gas well production plan.

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备注/Memo

备注/Memo:
 2020-11-19收稿，2021-03-10修回，2021-03-14接受，2021-04-20 网络版发表
基金项目中国石油西南油气田分公司科技项目“磨溪区块龙王庙组气藏水侵特征及治水对策优化研究”（20200303-04）
陈春艳，女，1979年出生，高级工程师，2002年毕业于西南石油大学石油工程专业，主要从事油气藏工程、采油工程研究工作。电话：0825-2516269，13508211286；Email：chunyanzi120837@sohu.com。通信地址：四川省遂宁市河东新区香林南路178号，邮政编码：629001。
更新日期/Last Update: 2021-05-10