川西北地区中二叠统栖霞组沉积相与缓斜坡模式

doi:10.3969/j.issn.1673-8926.2016.06.009

岩性油气藏 ›› 2016, Vol. 28 ›› Issue (6): 58–67.doi: 10.3969/j.issn.1673-8926.2016.06.009

川西北地区中二叠统栖霞组沉积相与缓斜坡模式

梁宁¹，郑荣才¹，邓吉刚²，蒋欢³，郭春利¹，高志勇⁴

1.油气藏地质及开发工程国家重点实验室（成都理工大学），成都610059； 2.中国石油川庆钻探工程有限公司地球物理勘探公司，成都610213； 3.中国石油新疆油田分公司实验检测研究院，新疆克拉玛依834000； 4.中国石油勘探开发研究院，北京100083

收稿日期:2016-06-10 修回日期:2016-07-16 出版日期:2016-11-10 发布日期:2016-11-10
通讯作者: 郑荣才（1950-），男，教授，主要从事沉积地质学、层序地层学与石油地质学的教学和科研工作。E-mail：zhengrc@cdut.edu.cn
作者简介:梁宁（1990-），男，成都理工大学在读硕士研究生，研究方向为沉积学。地址：（610059）四川省成都市成华区二仙桥东三路1 号成都理工大学沉积地质研究院。E-mail：153074393@qq.com
基金资助:
中国石油天然气股份有限公司重大科技专项“中西部前陆盆地沉积体系与有效储层评价研究”（编号：2014B-0408）资助

Sedimentary facies and gentle slope model of the Middle Permian Qixia Formation in the northwestern Sichuan Basin

Liang Ning¹， Zheng Rongcai¹， Deng Jigang²， Jiang Huan³， Guo Chunli¹， Gao Zhiyong⁴

1. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation， Chengdu University of Technology，Chengdu 610059， China； 2. Geophysical Exploration Company， Chuanqing Drilling Enginerring Co. Ltd.， CNPC，Chengdu 610213， China； 3. Research Institute of Experiment and Detection， PetroChina Xinjiang Oilfield Company，Karamay 834000， Xinjiang， China； 4. PetroChina Research Institute of Petroleum Exploration， Beijing 100083， China

Received:2016-06-10 Revised:2016-07-16 Online:2016-11-10 Published:2016-11-10

摘要/Abstract

摘要： 川西北地区中二叠统栖霞组研究成果较多，但在沉积相特征和模式等的认识上存在较大差异，严重制约了其勘探效益。为了深化对研究区栖霞组沉积相特征的认识，提高油气勘探效益，在对9 口井的岩心描述和15 条野外剖面测量的基础上，结合测井相与地震相等资料，对其沉积相特征进行了研究，编制了栖霞组沉积早期和晚期的沉积相平面展布图，认为栖霞组主要发育开阔台地、台地边缘与前缘缓斜坡等3 种沉积相带及6 种亚相和11 种微相。结合相对海平面变化，沉积微相、亚相和相带的展布特征及其纵、横向演化规律，建立了川西北地区栖霞组缓斜坡台地沉积演化模式，协调了碳酸盐台地模式与碳酸盐缓坡模式之间的关系。

关键词: 有限元；数值模拟；裂缝；微电阻率, 扫描成像测井

Abstract: There are many research results about the Middle Permian Qixia Formation in the northwestern Sichuan Basin, however, the great differences in the cognition of the sedimentary facies characteristics and models have seriously restricted its exploration. In order to deepen the understanding of the characteristics of sedimentary facies of Qixia Formation and improve the efficiency of hydrocarbon exploration, based on the data of core description,field profile measurement, logging and seismic data, the characteristics of sedimentary facies were studied. The maps of sedimentary facies of the early and late Qixia Formation were compiled. It is considered that Qixia Formation mainly developed three types of sedimentary facies including open platform, platform edge, foreland gentle slope,as well as six types of subfacies and 11 types of microfacies. According to the relative sea level changes, the distribution characteristics of the sedimentary microfacies, subfacies and facies and their sedimentary evolution rule, the evolution model of gentle slope platform of Qixia Formation was established, which coordinates the relationship of carbonate platform model with carbonate slop model.

Key words: finite element, numerical simulation, fracture, micro-resistivity image logging

梁宁，郑荣才，邓吉刚，蒋欢，郭春利，高志勇. 川西北地区中二叠统栖霞组沉积相与缓斜坡模式[J]. 岩性油气藏, 2016, 28(6): 58–67.

Liang Ning， Zheng Rongcai， Deng Jigang， Jiang Huan， Guo Chunli， Gao Zhiyong. Sedimentary facies and gentle slope model of the Middle Permian Qixia Formation in the northwestern Sichuan Basin[J]. Lithologic Reservoirs, 2016, 28(6): 58–67.

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川西北地区中二叠统栖霞组沉积相与缓斜坡模式

Sedimentary facies and gentle slope model of the Middle Permian Qixia Formation in the northwestern Sichuan Basin

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