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Table 6 Ultrasonic wave velocities and the derived dynamic elastic constants; oven dried and saturated

From: Matrix permeability of reservoir rocks, Ngatamariki geothermal field, Taupo Volcanic Zone, New Zealand

Ultrasonic wave velocity (oven dried) Ultrasonic wave velocity (saturated)
Sample ID P-wave velocity (m/s) S-wave velocity (m/s) Young modulus (GPa) Poisson’s ratio P-wave velocity (m/s) S-wave velocity (m/s) Young modulus (GPa) Poisson’s ratio
NM2 1354.2 A 3132 1850 17.5 0.23 3038 1609 14.1 0.31
NM2 1354.2 B 3327 1894 19.2 0.26 2975 1769 16.3 0.23
NM2 1354.4 A 3308 1892 19.5 0.26 3568 1692 16.8 0.35
NM2 1788 A 3536 2225 28.7 0.17 3568 2122 27.3 0.23
NM2 2254.7 A 3833 2913 35.2 0.17 4381 2484 39.6 0.26
NM3 1743 A 3401 2238 28.6 0.12 3668 2192 30.0 0.22
NM3 1743 C 3580 2275 30.3 0.16 3873 2239 31.6 0.25
NM4 1477.2 A 3927 2400 37.0 0.20 4077 2330 36.5 0.26
NM8a 2525.5 B 4141 2464 39.0 0.23 4491 2543 42.8 0.26
NM8a 2525.5 C 4149 2488 38.9 0.22 3953 2432 36.5 0.20
NM8a 3280 C 3714 2146 29.0 0.25 3969 2346 34.2 0.23
NM8a 3284.7 C 3883 2180 30.2 0.27 4434 2234 33.2 0.33
NM11 2083 A 3212 1989 21.4 0.19 3287 1881 20.3 0.26
NM11 2083 B 3124 1935 20.1 0.19 3395 1872 20.3 0.28
NM11 2083 C 3270 2057 22.6 0.17 3366 1959 21.8 0.24
NM11 2083.34 A 3186 1887 19.6 0.23 3233 1855 19.3 0.25
NM11 2083.34 B 3147 1947 20.5 0.19 3288 1961 21.4 0.22
NM11 2087.4 A 3284 1967 22.2 0.22 3348 1990 22.8 0.23
NM11 2087.4 B 3175 1914 20.4 0.21 3364 1904 21.0 0.26
NM11 2087.4 C 3319 1884 20.6 0.26 3297 1902 20.8 0.25
NM11 2087.4 D 3182 1968 21.4 0.19 3340 1963 22.1 0.24