An Experimental Study on Stress Sensitivity of Tight Sandstones with Different Microfractures

<div>Core sample stress sensitivity coefficient and permeability and porosity intersection diagram. (a) Relationship between permeability (<i>K</i>) and stress sensitivity coefficient (<i>S</i><sub>s</sub>). (b) Relationship between porosity (<i>φ</i>) and stress sensitivity coefficient (<i>S</i><sub>s</sub>).</div>

Advances in Civil Engineering

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Figure 6

Figure 6: An Experimental Study on Stress Sensitivity of Tight Sandstones with Different Microfractures 