|本期目录/Table of Contents|

[1]刘卫彬,张世奇,徐兴友,等.断层相关裂缝的发育模式及分布预测——以东濮凹陷沙三段为例[J].地球科学与环境学报,2018,40(03):308-321.
　LIU Wei-bin,ZHANG Shi-qi,XU Xing-you,et al.Development Model and Prediction of Fault-related Fractures—A Case Study of the Third Member of Shahejie Formation in Dongpu Depression[J].Journal of Earth Sciences and Environment,2018,40(03):308-321.
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断层相关裂缝的发育模式及分布预测——以东濮凹陷沙三段为例(PDF)
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《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

卷:
第40卷
期数:
2018年第03期
页码:
308-321
栏目:
基础地质与矿产地质
出版日期:
2018-05-15

文章信息/Info

Title:
Development Model and Prediction of Fault-related Fractures—A Case Study of the Third Member of Shahejie Formation in Dongpu Depression
文章编号:
1672-6561(2018)03-0308-14
作者:
刘卫彬; 张世奇; 徐兴友; 周新桂; 陈珊; 白静; 李世臻
1.中国地质调查局油气资源调查中心，北京 100029； 2.中国石油大学（华东） 地球科学与技术学院，山东 青岛 266580
Author(s):
LIU Wei-bin;  ZHANG Shi-qi;  XU Xing-you;  ZHOU Xin-gui;  CHEN Shan;  BAI Jing;  LI Shi-zhen
1. Oil and Gas Survey, China Geological Survey, Beijing 100029, China; 2. School of Geosciences, China University of Petroleum, Qingdao 266580, Shandong, China
关键词:
油气地质; 断层; 裂缝; 主控因素; 断地比; 致密砂岩; 沙三段; 东濮凹陷
Keywords:
petroleum geology;  fault;  fracture;  main controlling factor;  fault-stratum ratio;  tight sandstone;  the third member of Shahejie Formation;  Dongpu depression
分类号:
P542;TE121.2
DOI:
-
文献标志码:
A
摘要:
低孔低渗砂岩是东濮凹陷沙三段的主要储层，储层中与断层相关的裂缝十分发育，是形成优质储层甜点区的重要因素。为阐明断层相关裂缝的发育模式和分布规律，利用大量岩芯、地震、成像测井及实验分析等资料，对东濮凹陷沙三段储层中的断层相关裂缝基本特征、主控因素、发育模式及油气地质意义进行了研究，并利用断地比定量预测了裂缝的分布规律。结果表明：东濮凹陷沙三段断层相关裂缝主要走向为NNE向、NE向，形成于沙三晚期和东营晚期，与主控断层在力学性质和形成时间上具有一致性；断层相关裂缝的发育程度随着距断层距离的增大呈指数递减，且断层上盘裂缝线密度要高于下盘；裂缝的发育程度和裂缝带宽度与主控断层的规模成正相关关系；断层相关裂缝可显著提高储层的物性和含油性；断地比大于10的区域为裂缝发育区；采用断地比参数法预测出5个致密储层裂缝甜点区。
Abstract:
The sandstone in the third member of Shahejie Formation characterized by low porosity and low permeability is the main reservoir in Dongpu depression, in which the fault-related fractures are well-developed; the fracture is an important factor for the formation of favorable reservoirs. In order to illustrate the development model and distribution law of fault-related fractures, the characteristics, main controlling factors, development model and petroleum geological significance of fault-related fractures were analyzed by utilizing the core overview, seismic interpretation, image logging and experiment; and then, the fault-stratum ratio was raised to forecast the distribution law of fault-related fractures. The results show that the fault-related fractures are formed mostly towards NNE and NE; the late stage of the third member of Shaheije Period and the late stage of Dongying Period are their major formation periods, which are consistent with mechanical property and formation period of faults; the development of fault-related fractures decreases exponentially with the distance away from the faults as a whole, and the density of fractures in the hanging wall is greater than that in the footwall; the width and intensity of fault-related fractures have a positive correlation with the scale of faults; fault-related fractures can improve the property, oil-bearing probability and capacity of the low-porosity and low-permeability reservoir dramatically; the area with fault-stratum ratio greater than 10 defined is the favorable area of fault-related fractures, and five favorable reservoir areas are predicted by using fault-stratum ratio parameter method.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2018-01-03;修回日期:2018-03-05
基金项目:国家科技重大专项项目(2011ZX05006-004);中国地质调查局地质调查项目(DD20160165)
作者简介:刘卫彬(1991-),男,河南周口人,工程师,E-mail:ogslwb@126.com。
更新日期/Last Update: 2018-06-05