致密储层孔隙结构对渗吸的影响研究进展

doi:10.3969/j.issn.1006-6535.2024.04.002

特种油气藏 ›› 2024, Vol. 31 ›› Issue (4): 10-18.DOI: 10.3969/j.issn.1006-6535.2024.04.002

致密储层孔隙结构对渗吸的影响研究进展

杨宸¹, 杨二龙¹, 安艳明², 李忠君³, 赵雪微⁴

1.东北石油大学三亚海洋油气研究院,海南三亚 572024;
2.中国石油大庆油田有限责任公司勘探开发研究院,黑龙江大庆 163000;
3.中国石油大庆油田有限责任公司第九采油厂,黑龙江大庆 163000;
4.中国石油大庆油田有限责任公司第一采油厂,黑龙江大庆 163000

收稿日期:2023-08-17 修回日期:2024-03-29 出版日期:2024-08-25 发布日期:2024-09-20
通讯作者: 杨二龙(1976—),男,教授,1999年毕业于大庆石油学院石油工程专业,2009年毕业于该校油气田开发专业,获博士学位,现主要从事油气田开发理论与技术和提高采收率原理与技术研究工作。
作者简介:杨宸(1996—),男,2019年毕业于东北石油大学石油工程专业,现为该校石油与天然气工程专业在读博士研究生,主要从事致密油渗吸机理方面的研究。
基金资助:
国家自然科学基金“高应力差致密油藏微观孔隙结构应力变形下原油动用机制研究”(52274037);海南省科技项目“深远海低渗透油藏智能纳米体系驱油方法应用研究”(ZDYF2022SHFZ107);海南省科技计划三亚崖州科技城科技创新联合项目“海上平台油基废弃泥浆纳米乳液-微生物耦合无害化处理技术研究”(2021CXLH0028)

Research Progress on the Impact of Tight Reservoir Pore Structure on Spontaneous Imbibition

Yang Chen¹, Yang Erlong¹, An Yanming², Li Zhongjun³, Zhao Xuewei⁴

1. NEPU Sanya Offshore Oil & Gas Research Institute, Sanya, Hainan 572024, China;
2. Exploration and Development Research Institute, PetroChina Daqing Oilfield Co., Ltd., Daqing, Heilongjiang 163000, China;
3. The Ninth Oil Production Plant, PetroChina Daqing Oilfield Co., Ltd., Daqing, Heilongjiang 163000, China;
4. The First Oil Production Plant, PetroChina Daqing Oilfield Co., Ltd., Daqing, Heilongjiang 163000, China

Received:2023-08-17 Revised:2024-03-29 Online:2024-08-25 Published:2024-09-20

摘要/Abstract

摘要： 随着传统油气资源的逐渐枯竭,以致密油资源为代表的非常规油气资源在能源开发和利用方面具有越来越重要的地位。然而,相较于常规储层,致密油储层的孔隙结构非常复杂,其孔隙尺寸分布广泛、孔隙类型多样且孔喉发育,这些因素给致密油储层的开采提出了极大挑战。对致密油储层的孔隙结构及其自发渗吸机制进行深入研究对于提高致密油采收率具有非常重要的意义。基于此,通过文献调研,对致密油储层的孔隙结构和渗吸机理研究进行了综述,从孔隙结构的表征手段、致密油孔隙结构的研究进展、孔隙结构与致密油渗吸机理之间的影响机制等方面进行介绍,并对该领域的研究进展进行了总结和展望。该研究可为致密油储层原油开发提供了借鉴,助推致密油采收技术的发展。

关键词: 致密油, 孔隙结构, 自发渗吸, 综述

Abstract: Against the backdrop of the gradual depletion of conventional oil and gas resources, unconventional oil and gas resources, represented by tight oil resources, are increasingly gaining importance in energy development and utilization. However, compared to conventional reservoirs, the pore structure of tight oil reservoirs is highly complex, featuring with wide distribution of pore sizes, diverse pore types, and well-developed pore throats. All these factors pose significant challenges to the exploitation of tight oil reservoirs. Therefore, a thorough research on the pore structure and spontaneous imbibition mechanism in tight oil reservoirs is crucial for improving tight oil recovery rates. Based on this, through literature review, this paper provides an overview of the research on the pore structure and imbibition mechanism of tight oil reservoirs, introducing characterization methods for pore structure, research progress on tight oil pore structure, the impact mechanism of pore structure on tight oil imbibition mechanism, and summarizing and prospecting the research progress in this field. This study can provide reference for the development of crude oil production in tight oil reservoir and promote the development of tight oil recovery technology.

Key words: tight oil, pore structure, spontaneous imbibition, review

中图分类号:

TE348

杨宸, 杨二龙, 安艳明, 李忠君, 赵雪微. 致密储层孔隙结构对渗吸的影响研究进展[J]. 特种油气藏, 2024, 31(4): 10-18.

Yang Chen, Yang Erlong, An Yanming, Li Zhongjun, Zhao Xuewei. Research Progress on the Impact of Tight Reservoir Pore Structure on Spontaneous Imbibition[J]. Special Oil & Gas Reservoirs, 2024, 31(4): 10-18.

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致密储层孔隙结构对渗吸的影响研究进展

Research Progress on the Impact of Tight Reservoir Pore Structure on Spontaneous Imbibition

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