... formation cementation 地层胶结 formation characteristics 地层特性 formation chunk 地层砂块 ...
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射孔酸的组成取决于地层特性和所用的井下设备。
Formulation of the perforating acid depends on the characteristics of the formation and the downhole equipment used.
引入了一种改进的BP算法，用于由测井资料识别地层特性。
An improved BP algorithm is used to identify formation characteristics.
根据穿越处地貌及地层特性决定将努比亚砂岩作为定向钻穿越的围岩。
Based on the features of geomorphology and strata in the crossing area, the Nubia sandstone is selected to be the surrounding rock.
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