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Table 2 Sample properties, experimental conditions, and results for the granites discussed here

From: Physical property evolution of granite during experimental chemical stimulation

Sample \(\phi _1\) \(k_1\) [\(\hbox {m}^2\)] \(m_1\) [g] \(V_1\) [\(\hbox {cm}^3\)] Treatment \(\phi _2\) \(k_2\) [\(\hbox {m}^2\)] \(m_2\) [g] \(V_2\) [\(\hbox {cm}^3\)] \(V_p\) [\(\hbox {m s}^{-1}\)] UCS [MPa] E [GPa]
Thermal Acid
Temperature [\(^{\circ } \hbox {C}\)] Molarity (mol L-1) Type Time (h)
G2M-B2 0.024 \(3.06\times 10^{-18}\) 32.748 12.663 56.615 16.36
G2M-B4 0.032 \(8.64\times 10^{-18}\) 32.216 12.538 57.762 19.81
G2M-B5 0.022 \(4.17\times 10^{-18}\) 32.756 12.610 64.312 22.87
G2M-B8 0.023 \(3.40\times 10^{-18}\) 32.784 12.652 61.991 23.50
G2M-B9 0.028 \(7.91\times 10^{-18}\) 32.254 12.485 58.325 20.87
G2M-B10 0.024 \(3.43\times 10^{-18}\) 32.756 12.656 66.777 24.36
G2M-B11 0.022 \(4.09\times 10^{-18}\) 32.742 12.646 61.892 22.13
G2M-B1 0.023 \(3.78\times 10^{-18}\) 32.666 12.615 2 I 24 0.024 \(4.57\times 10^{-18}\) 32.617 71.426 26.47
G2M-B3 0.026 \(4.58\times 10^{-18}\) 32.740 12.656 2 I 48 0.022 \(7.56\times 10^{-18}\) 32.686 59.628 18.33
G2M-B6 0.029 \(6.08\times 10^{-18}\) 32.284 12.513 2 I 73 0.028 \(1.10\times 10^{-17}\) 32.215 59.584 18.63
G2M-B7 0.029 \(6.51\times 10^{-18}\) 32.571 12.621 2 I 120 0.029 \(1.03\times 10^{-17}\) 32.478 61.806 16.48
G2M-B12 0.026 \(6.78\times 10^{-18}\) 32.624 12.647 2 I 216 0.027 \(1.15\times 10^{-17 }\) 32.462 63.558 21.08
G2M-B13 0.025 \(7.56\times 10^{-18}\) 32.669 12.644 2 I 360 0.027 \(1.37\times 10^{-17}\) 32.443 63.754 19.58
G2M-B14 0.026 \(5.60\times 10^{-18}\) 32.766 12.671 2 I 600 0.033 \(1.34\times 10^{-17}\) 32.420 69.941 21.96
G2M-B15 0.029 \(4.99\times 10^{-18}\) 32.244 12.531 2 I 1008 0.036 \(1.07\times 10^{-17}\) 31.817 76.513 24.44
G2M-B16 0.034 \(2.38\times 10^{-17}\) 31.931 12.398 0.2 I 1008 0.037 \(3.62\times 10^{-17}\) 31.605
G2M-A1 0.004 \(1.00\times 10^{-21}\) 12.494 200 0.005 \(1.00\times 10^{-21}\)  
0.005 \(1.00\times 10^{-21}\) 700 0.023 \(8.27\times 10^{-16}\) 32.798 12.690
0.023 \(8.27\times 10^{-16}\) 32.798 12.690 0.2 I 1008 0.031 \(4.87\times 10^{-16}\) 32.493 12.694
G2M-A2 0.002 \(1.00\times 10^{-21}\) - 12.428 100 0.003 \(1.00\times 10^{-21}\) - 12.428 5.146  
0.003 \(1.00\times 10^{-21}\) 12.428 200 0.003 \(1.12\times 10^{-18}\) 12.418 4.786
0.003 \(1.12\times 10^{-18}\) 12.418 300 0.007 \(2.72\times 10^{-18}\) 12.446 4.198
0.007 \(2.72\times 10^{-18}\) 12.446 400 0.009 \(7.14\times 10^{-18}\) 12.483 3.848
0.009 \(7.14\times 10^{-18}\) 12.483 500 0.012 \(1.79\times 10^{-17}\) 12.491 3.276
0.012 \(1.79\times 10^{-17}\) 12.491 600 0.016 \(3.68\times 10^{-16}\) 12.541 2.004
0.016 \(3.68\times 10^{-16}\) 12.541 700 0.026 \(1.63\times 10^{-15}\) 12.666 1.098
 
G2M-A3 0.002 \(1.00\times 10^{-21}\) 33.556 12.703 0.2 I 1008 0.008 \(3.82\times 10^{-18}\) 33.428 12.715
 
G2M-F14 0.007 \(1.93\times 10^{-15}\) 33.500 12.725 0.2 I 1008 0.018 \(9.71\times 10^{-16}\) 33.361 12.733
 
G2M-A5 0.001 \(1.00\times 10^{-21}\) 12.510 0.2 S 6
G2M-A6 0.003 \(1.00\times 10^{-21}\) 12.484 100 0.2 S 6
  1. \(\phi _1\) and \(\phi _2\) are initial and post-treatment porosity, respectively; \(k_1\) and \(k_2\) are initial and post-treatment permeability, respectively; \(m_1\) and \(m_2\) are initial and post-treatment mass, respectively; \(V_1\) and \(V_2\) are initial and post-treatment geometric sample volume, respectively; \(V_\text {p}\) is P-wave velocity, UCS is uniaxial compressive strength, and E is Young’s modulus. “Type” refers to immersion (I) or stimulation (S) acid treatment methods