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中南大学学报(自然科学版)

Journal of Central South University

第41卷    第6期    总第196期    2010年12月

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文章编号:1672-7207(2010)06-2288-08
塔里木盆地巴麦地区
小海子组碳酸盐岩储集层特征与油气成藏
旷理雄1,郭建华1,陈运平1,朱美衡2,郑好1,蔡习尧3

(1. 中南大学 地学与环境工程学院,湖南 长沙,410083;
2. 中国石化 江汉油田分公司物探研究院,湖北 武汉,430035;
3. 中国石化 西北分公司石油勘探开发研究院,新疆 乌鲁木齐,830011
)

摘 要: 利用岩芯资料,分析巴麦地区小海子组碳酸盐岩储集层特征、影响因素,评价有利储集层分布;应用流体包裹体分析等技术和方法,分析油气藏类型与油气注入成藏史,总结油气成藏规律。研究结果表明:小海子组碳酸盐岩储集层主要岩石类型为颗粒灰岩和白云岩,储集空间类型为孔隙型、孔隙-裂缝型和裂缝型;影响储集层物性的主要因素为沉积作用、成岩作用以及构造作用;最有利的储集层分布区位于巴楚西部巴5—巴参1—麦4—曲1井区一带及周缘;油气藏类型主要为背斜油气藏,其中巴什托背斜油气藏至少发生了海西晚期与喜玛拉雅晚期2次油气注入成藏期,亚松迪Ⅰ号背斜油气藏至少发生了喜玛拉雅晚期1次油气注入成藏期;储集层质量是控制油气成藏的主要因素,构造演化、断裂和圈闭是控制油气成藏的重要因素。

 

关键字: 流体包裹体;储集层;油气成藏;石炭系碳酸盐岩;巴楚隆起;塔里木盆地

Reservoir characteristics and hydrocarbon accumulation of Xiaohaizi formation carbonate rocks in Bamai Region, Tarim Basin
KUANG Li-xiong1, GUO Jian-hua<, SUP>1, CHEN Yun-ping1, ZHU Mei-heng2, ZHENG Hao1, CAI Xi-yao3

1. School of Geoscience and Environmental Engineering, Central South University, Changsha 410083, China;
2. Institute of Petroleum Geophysical Prospecting, SINOPEC Jianghan Oilfield Branch Company, Wuhan 430035, China;
3. Institute of Petroleum Exploration and Development, SINOPEC Northwest Branch Company, Urümqi 830011, China

Abstract:The reservoir characteristics of Xiaohaizi formation carbonate rocks were studied, the favorable reservoirs were evaluated by core; hydrocarbon charge and main factors controlling hydrocarbon accumulation were studied by the techniques of fluid inclusion. The results indicate that the main rock types of Xiaohaizi formation carbonate rocks are grainstone and dolomite. The reservoir types are pore, pore-fracture and fracture. The main factors influencing the reservoir ability are sediment, diagenesis and structure. The best reservoirs are located in Well Ba5, Bacan1, Mai4 and Qu1 area. The type of hydrocarbon reservoirs is mainly anticline reservoirs. There are at least two oil/gas charges in Bashituo anticline reservoirs, i.e., late Hercynian and late Himalayan. There are at least one oil/gas charge in Yasongdi anticline reservoirs, i.e., late Himalayan. The reservoir characteristics are the main factors controlling hydrocarbon accumulation, and structure evolvement, fault and trap are important factors controlling hydrocarbon accumulation.

 

Key words: fluid inclusion; reservoir; petroleum accumulation; Carboniferous carbonate rocks; Bachu arch; Tarim Basin

中南大学学报(自然科学版)
  ISSN 1672-7207
CN 43-1426/N
ZDXZAC
中南大学学报(英文版)
  ISSN 2095-2899
CN 43-1516/TB
JCSTFT
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