major oil reservoir 主力油藏
The major reservoir is the main development and study object in oil-field exploitation process before now. But along with the increase of exploitation degree, the exploitation potential of major reservoir has reduced gradually.
主力油层是之前油田开采的主要开发和研究对象,但是随着开采程度的日益增加,主力油层的开采潜力已经逐渐在下降,而那些相对主力油层物性条件较差的二类油层和三类油层的研究和开发越来越引起了油田的注意和重视。
参考来源 - 水驱厚油层激动注水数值模拟研究·2,447,543篇论文数据，部分数据来源于NoteExpress
In theUnited States, armadillos are a major reservoir of leprosy infection.
在美国，犰狳（qiú yú，俗称“披甲猪）是主要的麻风传染源。
The latter is of plateau type, and the major reservoir is an interlayer paleokarst about 380 m thick.
而南部汶南剖面则发育顺层“台地型”古风化壳，层间厚380余米的古岩溶带成为主要储层类型。
On the contrary, the remaining oil saturation in major reservoir is lower, but its remaining recoverable reserve is abundant.
相反，主力小层的剩余油饱和度相对较低，但可采剩余油储量较大。
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