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。
With the discovery of volcanic oil-gas pools, volcanic rock reservoirs, a special oil-gas reservoir type, are paid more and more attention in these days.
随着国内外火山岩油气藏的发现，火山岩储层作为一种特殊的油气储层类型越来越受人们的重视。
The discovery of condensate and oil-type gas from deep reservoir increased the exploring potential of petroleum in the north of Songliao basin.
松辽盆地北部深层发现的凝析油及油型气扩大了油田的勘探潜力。
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