The main problem of decompaction correction is how to found a reliable porosity depth function or density depth function which expresses the compaction process of clastic rock.

碎屑岩层的去压实校正的主要问题是建立一个能正确反映岩层压实规律的孔隙度深度函数或密度深度函数。

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The automatic depth correction of logs may be made by some correlations of logs on computer.

依据测井曲线间的某些相关性，利用计算机可以实现测井曲线自动深度校正。

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The transformation on mathematical basis of modern historic chart, the correction of the horizontal coordinate and depth data on the charts for the waters off Zhejiang coast are elaborated.

近代历史海图数学基础的转换；浙江海区近代历史海图的平面坐标改正和深度基准面改正。

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