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[1]杨学峰,雷启鸿,胡荣维,等.西233区长7致密储层三维脆性分布特征[J].断块油气田,2020,27(03):294-298.[doi:10.6056/dkyqt202003005]
 YANG Xuefeng,LEI Qihong,HU Rongwei,et al. Study on 3D brittleness distribution characteristics of Chang 7 tight reservoir in  XI 233 area [J].Fault-Block Oil and Gas Field,2020,27(03):294-298.[doi:10.6056/dkyqt202003005]
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西233区长7致密储层三维脆性分布特征(PDF)
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《断块油气田》[ISSN:1005-8907/CN:41-1219/TE]

卷:
27
期数:
2020年03
页码:
294-298
栏目:
地质勘探
出版日期:
2020-05-25

文章信息/Info

Title:
Study on 3D brittleness distribution characteristics of Chang 7 tight reservoir in  XI 233 area
文章编号:
5
作者:
杨学峰1雷启鸿1胡荣维2王长胜3张文静3王艳梅3
1.中国石油长庆油田分公司第三采油厂,宁夏 银川 750006;2.中国石油集团测井有限公司长庆分公司,陕西 西安 710065;
3.中国石油长庆油田分公司勘探开发研究院,陕西 西安 710018
Author(s):
YANG Xuefeng1 LEI Qihong1 HU Rongwei2 WANG Changsheng3 ZHANG Wenjing3 WANG Yanmei3
1.No.3 Oil Production Plant of Changing Oilfield company, PetroChina, Yinchuan 750006, China; 2.Changqing Branch of CNPC Logging Company Limited, Xi′an 710065, China; 3.Exploration and Development Research Institute of Changing Oilfield Company, PetroChina, Xi′an 710021, China
关键词:
脆性致密储层分布特征鄂尔多斯盆地
Keywords:
脆性致密储层分布特征鄂尔多斯盆地
分类号:
TE122.2+3
DOI:
10.6056/dkyqt202003005
文献标志码:
A
摘要:
明确致密储层的三维脆性分布特征,有助于压裂层段优选和压裂施工设计。文中以鄂尔多斯盆地西233区长7致密储层为研究对象,利用岩心矿物组分、岩石力学化验分析和地球物理测井资料,在岩心刻度测井的思想指导下,对研究区目的层的矿物组分、弹性模量、泊松比进行了处理解释,构建了基于矿物成分 ̄力学参数的脆性指数计算模型;基于脆性指数,采用三维地质建模的思想,构建了脆性指数三维分布模型,进而刻画了脆性三维分布特征。研究结果表明:西233区长7致密储层脆性分布连片性较差,整体上脆性受储层岩性和非均质性影响较大;脆性发育区向西南方向延伸,并演化为西北、西南和东南方向3条次级脆性发育带,南部脆性连续性较差,整体上呈现出较强的脆性非均质性。
Abstract:
To find out the 3D brittleness distribution characteristics of tight oil reservoir is helpful to the optimization of fracturing interval and the design of fracturing operation. Taking the Chang 7 tight reservoir in the XI 233 area of Ordos Basin as the research object, using the mineral composition of core, rock mechanics laboratory analysis and geophysics logging data, the mineral composition, elastic modulus and Poisson ratio of the target layer were processed and interpreted under the guidance of the idea of core calibration logging, and calculation model of brittleness index based on mineral composition-mechanical parameters was established. Based on the Brittleness Index, a 3D distribution model of brittleness index was established by using the idea of 3D geological modeling, and then the characteristics of 3D distribution of brittleness were described. The results show that brittleness distribution of Chang 7 tight reservoir in the XI 233 area has poor continuity, and the brittleness is greatly affected by reservoir lithology and heterogeneity. The brittle zone extends to the southwest and evolves into three sub-brittle zones in the northwest, southwest and southeast. In the south, the brittleness continuity is poor and the brittleness heterogeneity is strong as a whole.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2019-11-01;改回日期:2020-03-09。
第一作者:杨学峰,男,1973年生,高级工程师,主要从事油气田勘探方面的研究与管理工作。E-mail:liuzhidi@xsyu.edu.cn
基金项目:国家科技重大专项“鄂尔多斯盆地致密油开发示范工程”(2017ZX05069)
更新日期/Last Update: 2020-05-21