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侵入岩在大民屯潜山有一定的分布,这类岩性储层不发育,但在岩脉大量发育的地区,裂隙面比较发育,脉体岩壁可能成为地下油、气、水的自然通道,从而在其上下形成良好的油气聚集。本文介绍了利用测井资料识别侵入岩及确定其产状的方法,总结出侵入岩在大民屯潜山的分布情况,与储层发育程度的关系,提高了对该区块储层的评价能力。
The intrusive rocks have a certain distribution in the buried hill of Damintun. Such lithologic reservoirs are not well developed. However, in the areas with extensive dikes, the fracture surface is relatively developed, and the veins may become natural oil, gas and water in the underground Channel, thus forming a good accumulation of hydrocarbons above and below it. This paper introduces the method of using logging data to identify intrusive rock and determine its occurrence, summarizes the distribution of intrusive rock in Damintun buried hill and the relationship with the degree of reservoir development, and improves the evaluation of the reservoir in this block ability.