线性复合油藏多级压裂水平井渗流模型

doi:10.7623/syxb201706008

石油学报 ›› 2017, Vol. 38 ›› Issue (6): 687-695,720.DOI: 10.7623/syxb201706008

线性复合油藏多级压裂水平井渗流模型

曾焱¹, 王本成^2,3, 聂仁仕⁴

1. 中国石油化工股份有限公司西南油气分公司四川成都 610041;
2. 中国石油化工股份有限公司西南油气分公司勘探开发研究院四川成都 610041;
3. 中国石油化工股份有限公司西南油气分公司博士后科研工作站四川成都 610041;
4. 西南石油大学油气藏地质及开发工程国家重点实验室四川成都 610500

收稿日期:2016-07-28 修回日期:2017-04-25 出版日期:2017-06-25 发布日期:2017-07-08
通讯作者: 王本成,男,1986年3月生,2009年获西南石油大学学士学位,2015年获西南石油大学博士学位,现为中国石油化工股份有限公司西南油气分公司博士后,主要从事渗流理论与油气田开发研究。Email:wangbenc1@163.com
作者简介:曾焱,男,1973年6月生,1995年获西南石油学院学士学位,2010年获成都理工大学博士学位,现为中国石油化工股份有限公司西南油气分公司开发处高级工程师,主要从事油气田开发研究。Email:Zengyan504@126.com
基金资助:
国家自然科学基金青年科学基金项目（No.51304164）和霍英东教育基金项目（151050）资助。

The porous flow model of multi-stage fractured horizontal well in linear composite oil reservoirs

Zeng Yan¹, Wang Bencheng^2,3, Nie Renshi⁴

1. Sinopec Southwest Oil and Gas Company, Sichuan Chengdu 610041, China;
2. Exploration and Production Research Institute, Sinopec Southwest Oil and Gas Company, Sichuan Chengdu 610041, China;
3. Post-Doctoral Scientific Research Station, Sinopec Southwest Oil and Gas Company, Sichuan Chengdu 610041, China;
4. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Sichuan Chengdu 610500, China

Received:2016-07-28 Revised:2017-04-25 Online:2017-06-25 Published:2017-07-08

摘要/Abstract

摘要：

针对线性复合油藏，综合考虑压裂裂缝呈非等间距、非等半长、非等缝高、非等任意倾角等实际情况，建立了线性复合油藏多级压裂水平井不稳定渗流模型。利用点源函数理论、拉普拉斯变换、正交变换等多种现代数学方法进行求解，获得了考虑井筒储集和表皮系数影响的Laplace空间下井底压力动态响应解。编程绘制了新型的试井理论样版曲线，并开展了压力动态特征分析以及相关参数的敏感性分析。新的渗流模型不但可应用于水平井多级压裂后的渗流规律分析，还可用于实测井的试井分析，为油气田高效开发提供指导。

关键词: 线性复合, 多级压裂水平井, 正交变换, 渗流模型, 压力动态

Abstract:

Aiming at the multi-stage fractured horizontal well in linear composite oil reservoirs, an unstable porous flow model was established based on comprehensively considering the actual characteristics of fractured fissures, such as non-equidistance, unequal half-length, unequal fissure height and unequal arbitrary dip angle. The point-source function theory, Laplace transformation, orthogonal transformation and other modern mathematical methods were used to obtain the dynamic response solution of bottom-hole pressure in the Laplace space considering the wellbore reserving and the influence of skin factors. Finally, the type curve of well test theory was newly plotted through computer programming, and an analysis was performed on the pressure dynamic characteristics and the sensitivity of relevant parameters. The new porous flow model can be applied to analyze not only the flow law of horizontal wells after multi-stage fracturing, but also the well test results of the measured well, thus providing guidance for the efficient development of oil and gas fields.

Key words: linear composite, multi-stage fractured horizontal well, orthogonal transformation, porous flow model, pressure dynamics

中图分类号:

TE353

曾焱, 王本成, 聂仁仕. 线性复合油藏多级压裂水平井渗流模型[J]. 石油学报, 2017, 38(6): 687-695,720.

Zeng Yan, Wang Bencheng, Nie Renshi. The porous flow model of multi-stage fractured horizontal well in linear composite oil reservoirs[J]. Acta Petrolei Sinica, 2017, 38(6): 687-695,720.

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线性复合油藏多级压裂水平井渗流模型

The porous flow model of multi-stage fractured horizontal well in linear composite oil reservoirs

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