摘要
综合利用地质、钻井、测井及地球化学等方面资料,系统分析了松辽盆地三肇地区扶余油层致密油的形成条件和分布规律。结果表明,研究区具备形成致密油的4个有利条件:原油性质好,可流动性强,致密油形成条件优越;广覆式大面积分布的优质烃源岩与致密储层紧邻,为致密油形成提供了充足的油源基础;大面积广泛分布的致密储层为致密油藏形成提供了有效储集空间;地层超压与油源断层有机匹配,为致密油向下运移提供了充足的动力。最后指出,三肇地区扶余油层致密油具有大面积(准)连续分布特征,含油非均质性极强,存在局部"甜点"富集区,河道砂体控制致密油局部"甜点"富集区。
Bases on the data of geology, drilling, logging and geochemistry, the formation conditions and distribution rules of tight oil reservoir in Fuyu oil layer of Sanzhap area were systematically analyzed. The results show that the study area has four advantages for tight oil accumulation. The crude oil is of good quality and strong fluidity, and the formation condition of the dense oil is superior. High quality hydrocarbon source rocks with wide coverage and large area distribution are close to the tight reservoirs, which provide sufficient oil source for the formation of tight oil reservoir. The compact reservoirs with wide area distribution provide effective reservoir space for the formation of compact oil reservoirs. The formation overpressure matches with the oil source fault, which provides sufficient power for the oil migration. At last, it is pointed out that the tight oil in Fuyu oil reservoir in Sanzhao area has the characteristics of large area （quasi） continuous distribution, strong oil heterogeneity. The channel sand body controls the local sweet area of the tight oil.
作者
王松喜
Wang Songxi(Hailaer Oil Exploration and Exploitation Headquarters,Daqing Oilfield Company Ltd.,Daqing Heilongjiang 021000,China)
出处
《石油化工高等学校学报》
CAS
2018年第6期46-52,共7页
Journal of Petrochemical Universities
基金
中国石油天然气股份公司重大科技专项(2011E-1201)
关键词
松辽盆地
三肇地区
非常规油气
致密油
形成条件
分布规律
Songliao basin
Sanzhao area
Unconventional oil and gas
Tight oil
Formation condition
Distribution rule
