工程科学学报，第41卷，第9期：1103-1114,2019年9月 Chinese Journal of Engineering,Vol.41,No.9:1103-1114,September 2019 DOI:10.13374/j.issn2095-9389.2019.09.001;http://journals.ustb.edu.cn 中国致密油藏开发理论研究进展 朱维耀四，岳明，刘昀枫，刘凯，宋智勇 北京科技大学土木与资源工程学院，北京100083 区通信作者，E-mail:weiyaook@sina.com 摘要为保持国家能源安全，我国油气开发领域在常规油气藏维持产量进行剩余油挖潜的基础上，积极推进非常规油气资 源的勘探与开发.致密油藏地质勘探资源储量高，但储层条件差，油水关系复杂制约着其大规模高效开发.虽然我国已经在 低渗一超低渗油藏的开发中积累了大量的经验并取得了丰硕的成果，但致密油藏无论从开发规模还是理论研究都处于起步阶 段，急需借鉴和开展适用于致密油藏的开发方法与渗流机理研究.本文首先概述了致密油藏的资源分布、地质特点与开发现 状.在此基础上介绍了致密油藏开发方法并抽提了4类基本科学问题，围绕基本科学问题系统论述了相应的流动规律以及数 学模型理论研究进展，并针对各问题提出了未来发展趋势，为促进我国致密油开发提供一定的指导意义. 关键词致密油；开发方式；非线性：多场耦合；多尺度流动 分类号TE34 Research progress on tight oil exploration in China ZHU Wei-yao,YUE Ming,LIU Yun-feng,LIU Kai,SONG Zhi-yong School of Civil and Resource Engineering,University of Science and Technology Beijing,Beijing 100083,China Corresponding author,E-mail:weiyaook@sina.com ABSTRACT The exploration and development of unconventional oil and gas become the hotspot in worldwide petroleum industry at present and in the future time.The unconventional resources are the succession and growth of conventional oil and gas production.Min- eral resource investigations reveal that tight oil reservoirs in China contain highly geological and recoverable reserves,effective develop- ment of which is of great significance but restricted by poor reservoir physical properties and complex oil-water distribution.After dec- ades of exploration and development,low and ultra-low permeability reservoirs have been successfully developed.However,develop- ment patterns and flow mechanisms suitable for tight oil are still insufficient,and the field application is far from mature yet.This study first summarized the resource distribution,geological characteristics,exploration,and development status of tight oil reservoirs in Chi- na.Then,development patterns and corresponding fundamental scientific issues of tight oil reservoirs were discussed.Corresponding nonlinear flow laws,mathematical flow models of multi-field and multiscale related to different exploitation patterns and scientific issues were summarized.Related study results of the authors were also introduced.Finally,a future development trend was proposed for each aspect.We hope that this study will provide some guiding to promote the tight oil exploration in China. KEY WORDS tight oil;development pattern;nonlinear;multi-filed coupling;multiscale flow 石油天然气已经成为影响我国经济建设和可持2.7亿t,对外依存度将超过70%，面临严峻的石油 续发展的三大战略资源之一.目前我国石油对外依 安全问题.为此，加大致密油气开发理论和开采技 存度很高，据预测，到2020年我国将净进口石油 术研究，突破高效开发致密油气的理论和技术瓶颈， 收稿日期：2019-03-18 基金项目：国家科技重大专项资助项目(2017ZX05069-003)工程科学学报,第 41 卷,第 9 期:1103鄄鄄1114,2019 年 9 月 Chinese Journal of Engineering, Vol. 41, No. 9: 1103鄄鄄1114, September 2019 DOI: 10. 13374 / j. issn2095鄄鄄9389. 2019. 09. 001; http: / / journals. ustb. edu. cn 中国致密油藏开发理论研究进展 朱维耀苣 , 岳 明, 刘昀枫, 刘 凯, 宋智勇 北京科技大学土木与资源工程学院, 北京 100083 苣通信作者, E鄄mail:weiyaook@ sina. com 摘 要 为保持国家能源安全,我国油气开发领域在常规油气藏维持产量进行剩余油挖潜的基础上,积极推进非常规油气资 源的勘探与开发. 致密油藏地质勘探资源储量高,但储层条件差,油水关系复杂制约着其大规模高效开发. 虽然我国已经在 低渗鄄鄄超低渗油藏的开发中积累了大量的经验并取得了丰硕的成果,但致密油藏无论从开发规模还是理论研究都处于起步阶 段,急需借鉴和开展适用于致密油藏的开发方法与渗流机理研究. 本文首先概述了致密油藏的资源分布、地质特点与开发现 状. 在此基础上介绍了致密油藏开发方法并抽提了 4 类基本科学问题,围绕基本科学问题系统论述了相应的流动规律以及数 学模型理论研究进展,并针对各问题提出了未来发展趋势,为促进我国致密油开发提供一定的指导意义. 关键词 致密油; 开发方式; 非线性; 多场耦合; 多尺度流动 分类号 TE34 收稿日期: 2019鄄鄄03鄄鄄18 基金项目: 国家科技重大专项资助项目(2017ZX05069鄄鄄003) Research progress on tight oil exploration in China ZHU Wei鄄yao 苣 , YUE Ming, LIU Yun鄄feng, LIU Kai, SONG Zhi鄄yong School of Civil and Resource Engineering, University of Science and Technology Beijing, Beijing 100083, China 苣Corresponding author, E鄄mail: weiyaook@ sina. com ABSTRACT The exploration and development of unconventional oil and gas become the hotspot in worldwide petroleum industry at present and in the future time. The unconventional resources are the succession and growth of conventional oil and gas production. Min鄄 eral resource investigations reveal that tight oil reservoirs in China contain highly geological and recoverable reserves, effective develop鄄 ment of which is of great significance but restricted by poor reservoir physical properties and complex oil鄄water distribution. After dec鄄 ades of exploration and development, low and ultra鄄low permeability reservoirs have been successfully developed. However, develop鄄 ment patterns and flow mechanisms suitable for tight oil are still insufficient, and the field application is far from mature yet. This study first summarized the resource distribution, geological characteristics, exploration, and development status of tight oil reservoirs in Chi鄄 na. Then, development patterns and corresponding fundamental scientific issues of tight oil reservoirs were discussed. Corresponding nonlinear flow laws, mathematical flow models of multi鄄field and multiscale related to different exploitation patterns and scientific issues were summarized. Related study results of the authors were also introduced. Finally, a future development trend was proposed for each aspect. We hope that this study will provide some guiding to promote the tight oil exploration in China. KEY WORDS tight oil; development pattern; nonlinear; multi鄄filed coupling; multiscale flow 石油天然气已经成为影响我国经济建设和可持 续发展的三大战略资源之一. 目前我国石油对外依 存度很高,据预测,到 2020 年我国将净进口石油 2郾 7 亿 t,对外依存度将超过 70% ,面临严峻的石油 安全问题. 为此,加大致密油气开发理论和开采技 术研究,突破高效开发致密油气的理论和技术瓶颈