【Key words】 Sandstone reservoir； Thick stratum； Sedimentary type； Remaining oil distribution； Jizhongarea；
基于10个网页-相关网页
thick sand stratum on roof 顶板厚沙土层
thick sand stratum 厚砂土层
thick coal stratum 特厚煤层
thick clay stratum 厚粘土层
super-thick magmatic stratum 巨厚岩浆岩
The key stratum is not easy to cave, but once it is caved, there will be a sudden collapse of a rather thick stratum.
关键层较难崩落，但在崩落时具有突发性，会产生较大厚度岩层的突然垮塌。
Under stratum condition of thick soil layer, we can study it as random medium and use probability integral method to estimate surface movement.
在厚松散层地层结构条件下，可将其视为随机介质，采用概率积分法预计地表移动变形。
The vital problems to be solved in Shendong mine are the dynamic pressure damage of thin rock strata roof under thick sandy soil soft stratum and the loss of water and soil under mining.
浅埋煤层薄基岩厚砂土松散层顶板动压灾害和采动水土流失是神东矿区急需解决的重大问题之一。
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