[1]姜伟民,刘波,石开波,等.塔里木盆地柯坪地区肖尔布拉克组碳酸盐岩微相类型和储集层特征[J].新疆石油地质,2019,(04):437.[doi:10.7657/XJPG20190407]
 JIANG Weimin,LIU Bo,SHI Kaibo,et al.Microfacies and Characteristics of Carbonate Reservoir in Xiaoerbulake Formation of Keping Area, Tarim Basin[J].Xinjiang Petroleum Geology,2019,(04):437.[doi:10.7657/XJPG20190407]
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塔里木盆地柯坪地区肖尔布拉克组碳酸盐岩微相类型和储集层特征()
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《新疆石油地质》[ISSN:1001-3873/CN:65-1107/TE]

卷:
期数:
2019年04期
页码:
437
栏目:
出版日期:
2019-07-23

文章信息/Info

Title:
Microfacies and Characteristics of Carbonate Reservoir in Xiaoerbulake Formation of Keping Area, Tarim Basin
文章编号:
1001-3873(2019)04-0437-12
作者:
姜伟民1刘波1石开波1高孝巧2刘帆3于进鑫1
(1. 北京大学 a.地球与空间科学学院;b.石油与天然气研究中心,北京 100871;2.中国地质大学(北京) 地球科学与资源学院,北京 1000833.中国石油 长庆油田分公司 长庆实业集团有限公司,西安 710000
Author(s):
JIANG Weimin1 LIU Bo1 SHI Kaibo1 GAO Xiaoqiao2 LIU Fan3 YU Jinxin1
(1.Peking University, a.School of Earth and Space Science; b.Research Center of Oil and Natural Gas, Beijing 100871, China; 2.School of Earth Sciences and Resources, China University of Geosciences, Beijing 100083, China; 3.Changqing Industrial Groups Co., Ltd, Changqing Oilfield Company, PetroChina, Xi’an, Shaanxi 710000, China)
关键词:
塔里木盆地柯坪地区肖尔布拉克组碳酸盐岩微相类型储集层特征
Keywords:
Tarim basin Keping area Xiaoerbulake formation carbonate rock microfacies reservoir characteristic
分类号:
TE112.2
DOI:
10.7657/XJPG20190407
文献标志码:
A
摘要:
塔里木盆地下寒武统肖尔布拉克组发育一套百余米厚的白云岩。基于柯坪地区11条野外露头剖面1 000多张岩石薄片的沉积学和古生物学特征观察描述,运用微相分析方法,对下寒武统肖尔布拉克组进行岩石学、古生物学和沉积环境分析。根据显微镜下碳酸盐岩颗粒类型、生物群、沉积组构等显微特征,在肖尔布拉克组识别并划分出11种微相类型和5种成因上相似、纵向上变化具有一定连续性的微相组合。此外,微相分析还表明,肖尔布拉克组储集层发育主要受控于沉积环境,晶间(溶)孔、粒间(溶)孔和微生物格架孔为主要的储集空间类型,弱纹层状粉—细晶自形晶—他形晶白云岩微相(MF2)、内碎屑白云岩微相(MF10)具有最好的储集物性,与微生物相关的微相(MF6,MF7和MF8)次之。
Abstract:
A suite of over 100 m thick dolomite was deposited in the Lower Cambrian Xiaoerbulake formation, Tarim basin. Based on the detailed observation and description of the sedimentary and paleontological characteristics of more than 1 000 thin sections obtained from 11 field sections in Keping area, the paper analyzes the petrological and fossil features and sedimentary environment of the Lower Cambrian Xiaoerbulake formation with microfacies analysis method. According to the microscopic characteristics of grain, biogroup and sedimentary fabric of the carbonate rock, 11 microfacies types and 5 microfacies assemblages with similar genesis and certain continuity in vertical variation are identified and classified in the Xiaoerbulake formation. In addition, the results of microfacies analysis also show that the reservoir development of the Xiaoerbulake formation is mainly controlled by sedimentary environment, and the intercrystal (dissolved) pore, intergranular (dissolved) pore and microbial framework pores are the main reservoir spaces. Weak-laminated fine-grained dolomite (MF2) and intraclastic dolomite (MF10) have the best petrophysical properties, and microbial microfacies such as MF6, MF7 and MF8 have relatively good petrophysical properties

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更新日期/Last Update: 2019-07-23