地址:四川省成都市高新区天府大道北段12号中国石油科技大厦

电话:028-86015441;028-86015319

邮箱:gaskk@petrochina.com.cn

QQ群:489323588

您所在位置:首页->过刊浏览->天勘2018.2


川西拗陷致密河道砂岩气藏类型及其高产富集模式
Types, and high-yield and enrichment modes of tight channel sandstone gas reservoirs, Western Sichuan Depression
黎华继 周文雅 代 平 詹泽东
点击:1183次 下载:18次
DOI:
作者单位:中国石化西南油气分公司勘探开发研究院
中文关键字:川西拗陷东斜坡区 中侏罗世 沙溪庙组气藏 致密河道砂岩 高产富集模式 气藏类型
英文关键字:Eastern slope of western Sichuan Depression; Middle Jurassic; Shaximiao Formation gas reservoir; Tight channel sandstone; High-yield and enrichment mode; Type of gas reservoir
中文摘要:

随着川西拗陷中侏罗纪沙溪庙组气藏开发进程的不断推进,致密河道砂岩的非均质性不断凸显,已有的对天然气富
集规律的认识已无法继续有效指导气藏开发的评价选区,如何寻找潜力河道至关重要。通过分析东斜坡沙溪庙组气藏已开发河道
的动静态特征,详细解剖河道砂的古今构造、断砂配置,分析储层品质对产能的影响,结合气水分布、地层压力、产出流体等特
征对河道砂气藏进行分类,并提炼河道砂气藏的高产富集模式。结论认为:①东斜坡沙溪庙组气藏整体为受河道控制的岩性气藏,
划分为构造—岩性气藏、岩性—构造气藏、岩性气藏3 种类型;②明确了东斜坡沙溪庙组气藏主要受断层、河道砂、构造、储层
物性4 大因素的控制;③东斜坡区沙溪庙组气藏高产河道具有2 种高产富集模式,即构造主控模式和岩性主控模式。

DOI: 10.12055/gaskk.issn.1673-3177.2018.02.002



 

英文摘要:With the continuous development of Shaximiao Formation gas reservoirs, western Sichuan Depression, it is found that the
heterogeneous feature of tight channel sandstone becomes increasingly prominent, making our existing cognitions on gas enrichment
laws no longer effective for guiding reservoir evaluation and selecting favorable belts. So, it’s essential to figure out the ways to seek
potential channels. In this study, the dynamic and static characteristics of the channels developed in Shaximiao gas reservoirs, eastern
slope of depression, were first analyzed; and then, the effects of ancient and modern structures, fault-sandstone configuration, and
reservoir quality of channel sandstone on productivity were investigated; thirdly, channel sandstone gas reservoirs were classified on
the basis of gas and water distribution, formation pressure, and produced fluid; finally, some high-yield and enrichment modes were
ascertained. Results show that (1) as lithological ones affected by channels, the Shaximiao gas reservoirs may be divided into three
types of structural-lithological, lithological-structural, and lithological ones; (2) they are mainly controlled by four factors of fault,
channel sand, structure, and physical properties; and (3) there are two high-yield and enrichment modes, including structure- and lithology-
controlled ones.
读者评论

      读者ID: 密码:   
我要评论:
国内统一连续出版物号:CN51-1159/TE |国内发行代码: |国际标准出版物号:ISSN1673-3177 |国际发行代码:
主管单位:中国石油西南油气田公司  主办单位:中国石油西南油气田公司勘探开发研究院
版权所有©2020天然气勘探与开发》编辑部 蜀ICP备10004100号
本系统由北京菲斯特诺科技有限公司设计开发
您是本站第2728278名访问者