岩石遇水膨胀不仅引起岩石体积增加。而且显著消弱岩石强度。
The swelling of rock meeting with water not only leads to the increase of rock volume, but also reduces the strength of rock.
在假定岩石体积模量是其上、下限值线性加权平均值的条件下，提出了泥质岩石油气层声波速度校正法。
And a correction method for acoustic logs from shaly sand is also proposed assuming that the bulk modulus of the rock is the linear weighted averages of its upper and lower limits.
这个孔隙空间被称为孔隙度，用岩石总体积的百分比表示。
This pore space is known as porosity and is expressed as a percentage of the total rock volume.
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