摘要
从黄骅坳陷孔南地区孔一段膏泥岩层的地质特征出发,基于有机碳、原油物性、饱和烃色谱质谱、储层物性、偏光薄片等地化及储层实验测试结果,系统分析了膏泥岩对油气成藏的重要意义。研究表明,枣0油组膏盐岩的存在既可以促使泥岩早期生烃,提供新的油气来源,又能在盐间形成异常压力,改善砂岩储层物性,同时,膏泥岩作为区域性盖层,有利于油气在砂岩薄夹层的保存。枣0油组油气成藏特征主要表现为:多源供烃、断层侧向封堵、砂岩上倾尖灭,形成构造背景下的岩性油气藏。
Based on the geological characteristics of gypsum mudstone of the first member of Kongdian formation in Kongnan area, and the geo chemical and reservoir experimental resuhs such as TOC, crude oil properties, GC-MS, reservoir physical property, and polarizing thin section, this paper made a systematic analysis of gypsum mudstone＇s great significance to hydrocarbon accumulation. The results show that. the presence of gypsum mudstone of Zao 0 oil formation can induce its generation of hydrocarbon in the early stage, providing new oil source and producing ah normal inter salt pressure, which can improve the sandstone reservoir properties. At the same time, as the regional caprock, gypsum mudstone is beneficial to the preservation of hydrocarbon in dissection thin sand stone. The hydro carbon reservoir forming of Zao 0 oil formation is characterized by muhiple sources, fauh side blocking, and updip pinchout of sand stone, and the lithologic reservoir is formed at the background of regional gentle structure.
出处
《山东科技大学学报（自然科学版）》
CAS
2016年第4期37-43,共7页
Journal of Shandong University of Science and Technology(Natural Science)
基金
中国石油天然气股份有限公司科技攻关项目(2004JB-3-10)
关键词
黄骅坳陷
孔南地区
膏泥岩
盐间油气藏
Huanghua depression= Kongnan area
gypsum mudstone： inter salt oil and gas reservoir
