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为进行石油岩芯驱替机理的深入研究，应用工业ＣＴ技术，提出了一种石油岩芯孔隙度及分布ＣＴ密度差测量法，并进行了实际测量。
In order to carry out further research on the mechanism of oil core displacement, an industrial CT technique was proposed to measure the difference of porosity and distribution of petroleum core porosity, and the actual measurements were made.