Stress sensitivity of formation during multi-cycle gas injection and production in an underground gas storage rebuilt from gas reservoirs

LI Jiqiang,ZHAO Guanqun,QI Zhilin,YIN Bingyi,XU Xun,FANG Feifei,YANG Shenyao,QI Guixue

Table 1 Basic data of experimental core samples.

Core No. Diameter/ cm Length/ cm Porosity/ % Permeability/ 10-3 μm2 1 2.443 7.631 19.92 28.438 0 2 2.449 7.346 14.60 17.794 0 3 2.465 7.543 18.06 9.226 0 4 2.460 7.494 15.88 3.340 0 5 2.434 7.421 12.34 0.425 0 6 2.453 7.443 10.24 0.037 3