【摘要】 系统阐述了辽河坳陷火成岩油气藏的勘探历程、分布特点及其油藏特征,总结出火成岩油气的成藏机制是:构造条件是关键,油源条件是基础,岩性条件是重要的补充。并从地震、测井等方面,总结了火成岩油气藏的勘探技术,主要包括地震识别技术、测井判识技术、岩性识别技术、岩相分析技术、储层预测技术、裂缝预测技术等。此外,以辽河坳陷东部凹陷的火成岩勘探为实例,分析了火成岩油气藏的勘探开发效果。截至目前,在整个东部凹陷取得了火成岩勘探的重大突破,发现了粗面岩、辉绿岩油藏。其中,粗面岩油藏已建成了千万吨级储量规模的黄沙坨油田,建成了一定的产能。通过进一步的勘探实例分析,有力地说明了火成岩油气藏具有较大的勘探潜力及较好的勘探开发前景,是今后一个值得重视的油气勘探新领域。更多还原

【Abstract】 Based on the discussion of exploration course, distribution features of volcanic oil reservoirs in Liaohe Depression and these oil reservoirs’ characteristics, the reservoiring mechanism of volcanic oil and gas reservoirs has been concluded as follows: structure condition would be the key factor, oil source might be the base and lithologic condition can be as important complementarity. The exploration technologies, include seismic pattern recognition, log distinguish, lithologic identification, lothologic-facies analysis, reservoir prediction and fracture prediction technologies, have been concluded. Taking the volcanic exploration of eastern sag in Liaohe Depression as an example, the effect of exploration and development of volcanic reservoirs was analyzed. Up to the present, the important breakthrough has been made in entire volcanic rocks in eastern area, discovering trachyte and dolerites oil reservoirs. In which Huangshatuo oilfield belongs to trachyte oil reservoir, has been built the reserves level of ten thousand-ton and formed certain production capacity. Through further exploration, some cases’ result analysis reflect that the volcanic gas reservoirs have big potential and promising prospects for exploration and development, where it ,aso il/gas exploration frontiers, is worth to paya special attentioni n the future exploration.更多还原