本文選題：油源斷裂 + 輸導(dǎo)期�。� 參考：《巖性油氣藏》2016年06期

【摘要】：為了研究油源斷裂在油氣成藏中的作用,在油源斷裂厘定、輸導(dǎo)期和源巖生排烴期研究的基礎(chǔ)上,通過比較油源斷裂輸導(dǎo)油氣期與源巖生排烴高峰期之差和源巖生排烴高峰期與其開始生排烴期或停止生排烴期之差比值的大小,建立了一套油源斷裂輸導(dǎo)油氣時(shí)間有效性的研究方法,并將其應(yīng)用于松遼盆地徐家圍子斷陷油源斷裂輸導(dǎo)天然氣時(shí)間有效性的研究中。結(jié)果表明:徐家圍子斷陷營城組火山巖儲(chǔ)層在青山口組—姚家組沉積時(shí)期,油源斷裂輸導(dǎo)天然氣時(shí)間有效性評(píng)價(jià)等級(jí)為好,最有利于天然氣運(yùn)聚成藏;嫩江組沉積末期,油源斷裂輸導(dǎo)天然氣時(shí)間有效性評(píng)價(jià)等級(jí)為較好,較有利于天然氣運(yùn)聚成藏;明水組沉積末期,油源斷裂輸導(dǎo)天然氣時(shí)間有效性評(píng)價(jià)等級(jí)為中等,不利于天然氣運(yùn)聚成藏;火石嶺組—營城組沉積時(shí)期和古近系沉積末期,油源斷裂輸導(dǎo)天然氣時(shí)間有效性評(píng)價(jià)等級(jí)均為差,均無天然氣運(yùn)聚成藏。該結(jié)果與目前徐家圍子斷陷營城組火山巖儲(chǔ)層中流體包裹體均一溫度揭示的天然氣成藏時(shí)期相吻合,表明該方法用于研究油源斷裂輸導(dǎo)油氣時(shí)間有效性是可行的。
[Abstract]:In order to study the role of oil-source faults in oil and gas reservoir formation, based on the determination of oil-source faults, the period of transportation and hydrocarbon generation and expulsion of source rocks, By comparing the difference between oil source fault migration period and source rock hydrocarbon generation and expulsion peak and the ratio between source rock generation and expulsion peak and its starting hydrocarbon generation and expulsion stage or stopping hydrocarbon generation and expulsion stage, the difference between source rock generation and hydrocarbon expulsion peak and source rock hydrocarbon generation / expulsion period is compared. A set of methods for studying the time efficiency of oil and gas transportation from oil source faults are established and applied to the study of time efficiency of oil source faults in the Xujiaweizi fault depression of Songliao Basin. The results show that in the sedimentary period of Qingshankou-Yao formation in Yingcheng formation of Xujiaweizi fault depression, the evaluation grade of time effectiveness of oil source fault transporting natural gas is good, which is most favorable to the migration and accumulation of natural gas, and the late sedimentary stage of Nenjiang formation, The evaluation grade of time efficiency of transporting natural gas from oil-source faults is good, which is favorable to the migration and accumulation of natural gas reservoirs, and the evaluation grade of time efficiency of transporting natural gas from oil-source faults is medium, which is not conducive to the migration and accumulation of natural gas reservoirs in the late stage of deposit of Mingshui formation. In both the sedimentary period of Huosiling formation and Yingcheng formation and the late Paleogene period, the evaluation grade of time efficiency of transporting natural gas from oil source fault is poor, and there is no migration and accumulation of natural gas accumulation. The results are in agreement with the gas accumulation period revealed by the homogeneous temperature of fluid inclusions in the volcanic reservoir of Yingcheng formation in Xujiaweizi fault depression at present, which indicates that this method is feasible for studying the time efficiency of oil and gas transportation in oil-source faults.
【作者單位】： 東北石油大學(xué)地球科學(xué)學(xué)院;
【基金】：國家自然科學(xué)基金項(xiàng)目“斷層巖水壓張裂漏油主控因素及張性破裂壓力預(yù)測(cè)”(編號(hào):41372154)資助
【分類號(hào)】：P618.13

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