【作者】 张浩；

【导师】 张文； 雷安贵；

【作者基本信息】 大庆石油学院 ， 石油与天然气工程， 2009， 硕士

【摘要】 辽河外围盆地中火山岩分布广泛,且很多盆地都具有形成火山岩油藏的条件,但目前为止只有龙湾筒凹陷和张强凹陷发现了火山岩油藏,并对火山岩储层进行过较为细致的研究。为了系统地分析辽河外围盆地火山岩储层的特征,更好地在辽河外围盆地中寻找火山岩油藏,本文从大地构造背景、区域构造特征和盆地的沉积演化入手,分析了引起火山喷发的构造因素、火山岩沉积的区域背景、火山岩的分布和岩性特征等,并以龙湾筒凹陷和张强凹陷为重点,详细阐述了辽河外围盆地火山岩储层和油藏的特征。在研究过程中应用大地构造理论和板块学说阐述了辽河外围盆地所处的构造位置与盆地构造格局的形成、演化和后期改造及不同类型的火山作用和岩浆侵入作用发生的关系。应用构造地层学和构造动力学分析了辽河外围盆地的构造格局、区域位置及沉积演化特征等对火山岩的分布及岩性的影响。通过地层、沉积相、岩石化学的研究,总结出辽河外围盆地火山岩的岩石类型和岩性特征。经过龙湾筒凹陷火山岩储层特征研究,分析了火山岩类型和储集性能,总结了龙湾筒凹陷火山喷发模式和火山岩相类型。通过油藏特征分析认为龙湾筒凹陷的火山岩油藏是火山岩岩性油藏。综合火山岩主要元素和稀土元素分析结果,确定了张强凹陷火山岩的岩石类型和火山岩形成的构造环境。应用沉积学和岩石学理论研究了张强凹陷火山岩油藏的储集空间及储层性质,详细分析了火山岩油藏的成藏控制因素,对张强凹陷的火山岩油藏有了较为系统、全面的认识。根据上述研究成果,认为在辽河外围盆地的火山岩勘探中,应重点以龙湾筒凹陷和张强凹陷为目标,借鉴这两个凹陷火山岩油藏勘探的成功经验,在其它凹陷寻找类似的火山岩油藏。随着地质理论和勘探技术的不断发展,在辽河外围盆地中将会发现更多的火山岩油藏,这是辽河外围盆地今后勘探研究的重点领域。更多还原

【Abstract】 Volcanic rocks are widely distributed in Liaohe Periphery Basins, and a lot of basins have the reservoir conditions for the formation of volcanic rocks.But so far only Long Wantong Depression and Zhang Qiang Depression discovered volcanic reservoir, and carried out on the volcanic reservoir more detailed study. For systematic analysis of the reservoir characteristics of volcanic rocks in Liaohe Periphery Basins, and better at looking for the volcanic reservoir in there, this article from the geotectonic setting and regional structural characteristics and sedimentary basin evolution started, analysis of the structure caused by the volcanic eruption of factors, volcanic rocks of the regional background deposition, the distribution of volcanic rocks and lithological characteristics. And volcanic cited research at home and abroad to drum Long Wantong Depression and Zhang Qiang Depression, described in detail the volcanic reservoir and reservoir characteristics in Liaohe Periphery Basins.In the course of the application of plate tectonic theory and the theory of Liaohe Periphery Basins, where the structure position of the tectonic framework and basin formation, evolution and post-transformation and the role of different types of volcanoes and magma intrusion occurred in the relationship between role. Application of tectono-stratigraphic analysis and structural dynamics of Liaohe Periphery Basins, the structure pattern, regional location and characteristics of sedimentary evolution of the distribution of volcanic rocks and the effects of lithology. Through the stratigraphy, sedimentary facies, rock chemistry research, summed up the volcanic rock types and lithologic features of Liaohe Periphery Basins.After the study of volcanic reservoir characteristics in Long Wantong Depression, an analysis of volcanic rock types and reservoir performance, summed up the volcanic eruption model and the type of volcanic lithofacies of Long Wantong Depression. Reservoir characteristics through analysis of Long Wantong Depression reservoir is volcanic reservoir lithology. Volcanic rocks of the main elements of a comprehensive analysis and rare earth elements identified Zhang Qiang Depression volcanic rocks formed by volcanic rock types and tectonic settings. Application of sedimentology and petrology Zhang Qiang Depression theory of volcanic reservoir space and nature, a detailed analysis of the accumulation of volcanic reservoir control factors. There have a more systematic, comprehensive awareness to the volcanic reservoir of Zhang Qiang Depression.According to the research results, that the volcanic rocks in Liaohe Periphery Basins exploration should be the focus to Long Wantong Depression and Zhang Qiang Depression. As the goal, drawing on the two sunken volcanic reservoir exploration of the successful experience of depression in the search for other similar volcanic reservoir . With the geological theory and the continuous development of exploration technology, , there will find more volcanic reservoir in Liaohe Periphery Basins, which is the focus of future research areas of exploration in Liaohe Periphery Basins.更多还原