为封堵地层或保护某些层段在井内套管外面所用的装置。
A device used on the outside of the casing of a well to seal off formations or to protect certain zones.
通过对该地层中岩石特征及沉积环境等方面的分析，认为该区在研究层段内属于碳酸盐台地相。
According to the analysis of rocks features and sedimentary environment, the section pertains to carbonate tableland facies.
通过对该地层中岩石特征及沉积环境等方面的分析，认为该区在研究层段内属于碳酸盐台地相。
According to the analysis of rocks features and sedimentary environment, the section pertains to carbonate tableland facies.
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