岩石应力敏感指数与压缩系数之间的关系式
网络出版日期: 2007-12-15
A theoretical formula of stress sensitivity index with compressibility of rock
Online published: 2007-12-15
刘树根 , 黄文明 , 张长俊 , 赵霞飞 , 戴苏兰 , 张志敬 , 秦川 . 岩石应力敏感指数与压缩系数之间的关系式[J]. 岩性油气藏, 2007 , 19(4) : 95 -98 . DOI: 10.3969/j.issn.1673-8926.2007.04.017
Permeability of rock will change with the stress applied on, which is called the stress sensitivity of reservoir rocks. Stress sensitivity of rock is closely related to its compressibility. The more compressible the rock is, the higher the stress sensitivity index will be. A theoretical formula is proposed between the stress sensitivity index and the compressibility of rock. According to this formula, due to the weak compressibility of rock, the stress sensitivity is extremely minus, which can be neglected in production of reservoirs.
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