油源断裂优势通道输导油气能力综合评价方法及其应用

发布时间：2018-10-24 06:58

【摘要】：为了研究断裂在下生上储式油气成藏中的作用,在油源断裂优势通道输导油气能力影响研究的基础上,利用油源断裂优势通道本身的发育特征和源岩品质,构建了油源断裂优势通道输导油气能力综合评价参数指标,建立了一套油源断裂优势通道输导油气能力综合评价方法,并将其应用于渤海湾盆地冀中坳陷留楚地区东三段储层10条主要油源断裂优势通道输导油气能力的评价中。结果表明,留楚地区东三段储层10条主要油源断裂共34条优势通道,其中:有8条输导油气能力综合评价等级为强,主要分布在北部留楚背斜区;有15条输导油气能力综合评价等级为中等,主要分布在留楚南背斜区;有11条输导油气能力综合评价为弱,主要分布在南部和东部边部地区。这与目前留楚地区东三段储层只在北部留楚背斜核部找到大量油、中部留楚南背斜找到少量油相吻合,表明该方法用于油源断裂优势通道输导油气能力综合评价是可行的。
[Abstract]:In order to study the role of faults in the formation of oil and gas reservoirs, based on the study of the influence of oil and gas transport capacity on the dominant channel of oil source fault, the development characteristics and source rock quality of the dominant channel of oil source fault are used. The comprehensive evaluation parameter index of oil and gas transportation ability of dominant channel of oil source fault is established, and a set of comprehensive evaluation method of oil and gas transportation ability of dominant channel of oil source fault is established. It is applied to the evaluation of oil and gas transport ability of 10 dominant channels of main oil source faults in the east third member reservoir in Jizhong Depression, Bohai Bay Basin. The results show that there are 34 dominant oil source faults in 10 main oil-source faults in the third member reservoir in Liuchu area. Among them, 8 have strong comprehensive evaluation grade of oil and gas transfer ability, mainly distributed in the northern Liuchu anticline; There are 15 middle grade of comprehensive evaluation of oil and gas transport capacity, mainly distributed in the south of Liuchu anticline, and 11 of which are weak in comprehensive evaluation of oil and gas transport capacity, mainly in the southern and eastern border areas. This is consistent with the large amount of oil only found in the core of the northern Liuchu anticline and a small amount of oil in the central Liuchunan anticline, which indicates that this method is feasible for the comprehensive evaluation of the oil and gas transfer capacity of the dominant channel of oil-source faults.
【作者单位】： 中国石油华北油田勘探开发研究院;东北石油大学地球科学学院;大庆油田有限责任公司第六采油厂;
【基金】：国家自然科学基金项目(41602164)~~
【分类号】：P618.13

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