The phenomenon of the decrease in reservoir rock permeability owing to the change in stress is called reservoir rock stress sensitivity.
储层岩石渗透率受应力变化而减小的现象称为储层岩石的应力敏感性。
A theoretical formula is proposed between the stress sensitivity index and the compressibility of rock.
文中建立了岩石应力敏感指数与压缩系数之间的理论关系式。
Permeability of rock will change with the stress applied on, which is called the stress sensitivity of reservoir rocks.
油藏岩石的渗透率随应力变化的性质为岩石的应力敏感性。
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