大庆石油地质与开发

2016, v.35;No.173(01) 19-24

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徐家围子断陷气源断裂输导天然气能力评价
EVALUATION OF THE GAS TRANSPORTING CAPACITY FOR THE SOURCE-ROCK FAULTS IN XUJIAWEIZI FAULT DEPRESSION

周义博
ZHOU Yibo

摘要(Abstract):

为了研究气源断裂在松辽盆地徐家围子断陷火山岩天然气成藏中的作用,以气源断裂输导天然气机理及影响因素研究为基础,通过考虑断裂输导天然气能力和源岩供气条件,建立了一套气源断裂输导天然气能力综合定量评价方法,对徐家围子断陷火山岩储层中气源断裂输导天然气能力进行了综合定量评价。结果表明:徐家围子断陷火山岩储层中气源断裂在徐深301井附近输导天然气能力最强;达深1井以北、肇深5井东南、朝深2井北部和汪深101井—芳深9井以东地区,气源断裂输导天然气能力相对较强,应是天然气成藏的有利地区,目前这些地区已发现了大量营城组火山岩气藏;朝深2井东北和达深1井西北地区气源断裂输导天然气能力强,应是徐家围子断陷火山岩天然气下步勘探的有利地区。
In order to study the roles of the source-rock faults in the gas reservoir accumulation in the volcanic rocks of Xujiaweizi Fault Depression in Songliao Basin,based on the researches on the gas transporting mechanism and influencing factors of the faults,a set of comprehensive and quantitative evaluating methods for the source-rock gas transporting capacity are established in the consideration of the above ability and fault transporting capacity and moreover the combined comprehensive and quantitative evaluation of the former capacity is conducted.The achievements show that the strongest transporting capacity is discovered nearby Well Xushen 301;the relative stronger abilities are proven in the north to Well Dashen 1,the southeast to Well Zhaoshen 5,the north to Well Chaoshen 2 and the east to Well Wangshen 101-well Fangshen 9,these regions are regarded as the favorable areas for the gas reservoir accumulation and up to now a large number of volcanic gas reservoirs has been found in K_1yc;the gas transporting capacities in the northeast to Well Chaoshen 2 and the northwest to Well Dashen 1 are pretty stronger,so these regions are considered to be the favorable blocks of the further exploration of the volcanic rock gas in the depression.

关键词(KeyWords): 气源断裂;输导天然气能力;定量评价;徐家围子断陷;火山岩气藏
gas-source-rock fault;gas transporting capacity/ability;quantitative evaluation;Xujiaweizi Fault Depression;volcanic gas reservoir

Abstract:

Keywords:

基金项目(Foundation): 国家自然基金项目“油源断裂转换带优势输导运移油气条件研究”(41372153)

作者(Author): 周义博
ZHOU Yibo

参考文献(References):

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