时空非均质页岩挥发油储集层压裂水平井开发特征

doi:10.7657/XJPG20260209

新疆石油地质 ›› 2026, Vol. 47 ›› Issue (2): 201-209.doi: 10.7657/XJPG20260209

时空非均质页岩挥发油储集层压裂水平井开发特征

江礼武¹(), 第五鹏祥², 程春杰³, 刘金菊¹()

¹ 中国石油大学（北京）克拉玛依校区石油学院，新疆克拉玛依 834000
² 中国石油大学（北京）理学院，北京 102249
³ 中国石油塔里木油田分公司英买采油气管理区，新疆库尔勒 841000

收稿日期:2025-01-13 修回日期:2025-02-07 出版日期:2026-04-01 发布日期:2026-04-08
通讯作者: 刘金菊（1989-），女，山东东营人，讲师，博士，储层动态监测及解释评价，（Tel）18810908705（Email）liu.jinju@cupk.edu.cn
作者简介:江礼武（1989-），男，安徽潜山人，副教授，博士，油藏工程理论与开发技术，（Tel）18810459322（Email）jlw2012@126.com
基金资助:
新疆维吾尔自治区高校基本科研业务费项目(XJEDU2024P102);国家自然科学基金青年基金(52404051);国家自然科学基金青年基金(52504051);新疆维吾尔自治区自然科学基金(2024D01B97);新疆维吾尔自治区“一事一议”引进战略人才项目(XQZX20240054)

Development Characteristics of Fractured Horizontal Wells in Spatiotemporally Heterogeneous Shale Volatile Oil Reservoirs

JIANG Liwu¹(), DIWU Pengxiang², CHENG Chunjie³, LIU Jinju¹()

¹ School of Petroleum, Karamay Campus, China University of Petroleum (Beijing), Karamay, Xinjiang 834000, China
² College of Science, China University of Petroleum (Beijing), Beijing 102249, China
³ Yingmai Oil and Gas Production Management Area, Tarim Oilfield Company, PetroChina, Korla, Xinjiang 841000, China

Received:2025-01-13 Revised:2025-02-07 Online:2026-04-01 Published:2026-04-08

摘要/Abstract

摘要：

页岩挥发油储集层孔喉尺度小，流体性质复杂，开发过程中难以准确预测其开发动态及特征。常规的预测方法通常只考虑单一或少量因素，存在预测结果不准、与矿场实际不符等局限。针对页岩挥发油储集层压裂水平井开发过程中主控机制不明的问题，构建基于离散裂缝网络，综合考虑多重机制影响的数值模拟模型，明确纳米孔喉限域效应、储集层时空非均质性等影响机制。结果表明：孔喉尺度对开发效果的影响主要是对储集层渗透率的影响，孔喉尺度造成的流体限域效应对储集层开发影响较小；应力敏感效应是页岩挥发油储集层开发的不利因素；导流能力较高的裂缝有利于储集层开发。

关键词: 页岩挥发油, 压裂水平井, 限域效应, 应力敏感, 开发特征

Abstract:

Shale volatile oil reservoirs are characterized by small pore throat sizes and complex fluid properties, which compromises the accuracy in predicting reservoir development performance. Conventional prediction methods usually yield the results that are inaccurate or inconsistent with field conditions, since they only take into account a single factor or a few factors. Currently, the main controlling mechanisms in fractured horizontal well development of shale volatile oil reservoirs remain unclear. In this paper, a numerical simulation model based on discrete fracture network (DFN) was built to clarify the influences of multiple mechanisms, including nanopore confinement effect, and spatiotemporal heterogeneity of reservoirs. It is found that the pore throat size controls the development effectiveness mainly by influencing reservoir permeability, and its resulting fluid confinement effect has a relatively small impact on development. The stress-sensitive effect is an adverse factor for the development of shale volatile oil reservoirs. Fractures with high conductivity are conducive to the development of such reservoirs.

Key words: shale volatile oil, fractured horizontal well, confinement effect, stress sensitivity, development characteristic

中图分类号:

TE34

江礼武, 第五鹏祥, 程春杰, 刘金菊. 时空非均质页岩挥发油储集层压裂水平井开发特征[J]. 新疆石油地质, 2026, 47(2): 201-209.

JIANG Liwu, DIWU Pengxiang, CHENG Chunjie, LIU Jinju. Development Characteristics of Fractured Horizontal Wells in Spatiotemporally Heterogeneous Shale Volatile Oil Reservoirs[J]. Xinjiang Petroleum Geology, 2026, 47(2): 201-209.

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油藏孔喉半径/nm	不同分区流体模型对应孔喉半径/nm
>100	体相流体
30~100	100
15 nm~30	30
10~15	15
≤10	10

时空非均质页岩挥发油储集层压裂水平井开发特征

Development Characteristics of Fractured Horizontal Wells in Spatiotemporally Heterogeneous Shale Volatile Oil Reservoirs

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