|本期目录/Table of Contents|

[1]张 景 王 颖 范希彬 户海胜 杨 鑫 李 闽.致密砂砾岩储层应力敏感性评价研究[J].中国海上油气,2020,32(03):105-110.[doi:10.11935/j.issn.1673-1506.2020.03.012]
 ZHANG Jing WANG Ying FAN Xibin HU Haisheng YANG Xin LI Min.Evaluation study on the stress sensitivity of tight glutenite reservoir[J].China Offshore Oil and Gas,2020,32(03):105-110.[doi:10.11935/j.issn.1673-1506.2020.03.012]
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致密砂砾岩储层应力敏感性评价研究()

《中国海上油气》[ISSN:1673-1506/CN:11-5339/TE]

卷:
第32卷
期数:
2020年03期
页码:
105-110
栏目:
油气田开发(973陆相致密油开发专辑)
出版日期:
2020-05-25

文章信息/Info

Title:
Evaluation study on the stress sensitivity of tight glutenite reservoir
文章编号:
1673-1506(2020)03-0105-06
作者:
张 景1 王 颖2 范希彬1 户海胜1 杨 鑫2 李 闽2
(1. 新疆油田公司勘探开发研究院 新疆克拉玛依 834000; 2. 油气藏地质及开发工程国家重点实验室 西南石油大学 四川成都 610500)
Author(s):
ZHANG Jing1 WANG Ying2 FAN Xibin1 HU Haisheng1 YANG Xin2 LI Min2
(1. Research Institute of Exploration and Exploitation, Xinjiang Oilfield, Karamay, Xinjiang 834000, China; 2. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation Engineering, SouthwestPetroleum University, Chengdu, Sichuan 610500, Ch
关键词:
致密砂砾岩 非线性有效应力 渗透率 应力敏感系数 Jones评价方法
Keywords:
tight glutenite nonlinear effective stress permeability stress sensitivity factor Jones evaluation method
分类号:
TE243
DOI:
10.11935/j.issn.1673-1506.2020.03.012
文献标志码:
A
摘要:
目前油田现场多采用常规应力敏感性或覆压渗透率实验方法来评价致密砂砾岩储层应力敏感性,所得结果与实际生产认识有很大偏差。选取4块岩心样品,采用非线性有效应力敏感实验,通过研究有效应力的变化来反映开采过程中各个阶段的围压与内压的变化规律,通过计算有效应力系数来反映致密砂砾岩储层中岩石孔隙形状、所充填砾石颗粒大小等物性因素的影响,并利用Jones模型对实验结果进行了评价,结果表明,4块岩样均存在中等应力敏感,与现场认识相符。分析认为,常规基质应力敏感实验过程相当于实验室应力敏感性实验的老化过程,因此建议采用非线性有效应力敏感实验及Jones评价方法来测量致密砂砾岩储层应力敏感性
Abstract:
At present, the stress sensitivity of tight glutenite reservoirs in oilfields is still evaluated by the conventional methods such as regular stress sensitivity experiments or overburden pressure permeability experiments, which give results that are largely deviated from actual production situation. In this study, 4 cores were selected as samples, and nonlinear effective stress sensitivity experiment was conducted to reflect the change rules of confining pressures and inner pressures in each stage of production by studying the change in effective stress. The effective stress coefficient was then obtained to reflect the impacts of rock pore shapes, particle size of filling gravel and other physical factors on tight glutenite reservoirs. Jones model was used to evaluate the experimental results. The results show that all 4 cores have moderate stress sensitivity, which is consistent with the on-site situation, and analysis suggests that the process of conventional matrix stress sensitivity test is equivalent to the aging process of laboratory stress sensitivity experiment. Therefore, it is recommended to use nonlinear effective stress sensitivity experiment and Jones evaluation method to measure the stress sensitivity of tight glutenite reservoirs

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备注/Memo

备注/Memo:
收稿日期:2019-12-27 改回日期:2020-03-14国家重点基础研究发展计划(973计划)项目“陆相致密油高效开发基础研究(编号:2015CB250900)”“十三五”国家科技重大专项“准噶尔盆地致密油开发示范工程(编号:2017ZX05070)”部分研究成果。第一作者简介: 张景,男,高级工程师, 硕士,2011年毕业于西安石油大学,主要从事非常规油气开发设计与研究。地址:新疆克拉玛依市准噶尔路29号勘探开发研究院(邮编:834000)。E-mail:zhangjin_xj@petrochina.com.cn。通信作者简介: 王颖,女,博士,硕士生导师,2009年毕业于中国科学院武汉岩土力学研究所,主要从事致密油气藏开发以及CO2地质封存与利用研究。地址:四川省成都市新都区新都大道8号(邮编:610500)。E-mail:ywang@swpu.edu.cn。
更新日期/Last Update: 2020-05-30