The hydrocarbon accumulation has selectivity on genetic type of sand body, while oil and gas enrichment is controlled by favorable sedimentary facies belt and reservoir facies belt.
油气的分布严格受控于沉积体系，油气的聚集对砂体的成因类型具有选择性，而油气的富集则受控于有利的沉积相带和储集相带。
A porous sand layer or sand body filled with oil.
充填了油的多孔砂层或砂体。
Expatiated is the method for distribution rule of residual oil in individual sand body with synthesis dynamic monitoring data.
阐述了综合运用动态监测资料确定单砂体剩余油分布规律的方法。
The way of action combination was adopted to analyze each sand body condition and know remaining oil distribution regulation, deeply develop the potential of oil field.
采用动静结合的办法，分析各砂体的储量动用状况，搞清剩余油分布规律，充分挖掘储量潜力。
Triassic Yanchang deltaic oil-gas located in east of basin with two kinds of oil-gas reservoir sequence, the lacustrine facies delta foreset sand body and plain distributary sand body.
二是上三叠系延长组三角洲油气区，主要位于盆地东部，具有湖相三角洲前积砂体和平原分流河道砂体两种油、气藏序列。
The genetic types in river facies sand-body are divided into 5 types and corresponding measures of excavating remaining oil potential must be adopted for each type.
河流相储层剩余油成因类型丰富，可详细划分为5类成因类型，针对每一类剩余油分布形式应采取相应的挖潜措施。
The fan delta sand body developed in middle segment of ES3 of Wanzhuang structure in Lang-Gu depression is adjacent to oil-generating sag, which is of benefit to form the lithologic reservoir.
廊固凹陷万庄构造沙三中段发育扇三角洲砂体，且邻近生油洼槽，有利于岩性油藏的形成。
The heterogeneity of sand-body caused water' s breakthrough in high permeability area and produces remaining oil in low permeability part.
③砂体非均质严重，在高渗透地带造成水窜，在低渗透地区形成剩余油。
The heterogeneity of sand-body caused water' s breakthrough in high permeability area and produces remaining oil in low permeability part.
③砂体非均质严重，在高渗透地带造成水窜，在低渗透地区形成剩余油。
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