Acoustic Properties of Hydrates
by Stephen Prensky, 1995
Summary of published values for acoustic properties in pure hydrates, water-saturated sediment, gas-hydrated sediments, and gas-bearing sediments (modified from Anderson, 1992).
| Parameter |
Water-saturated |
Hydrate-bearing |
Pure hydrate |
Gas-bearing |
Compressional wave
_Vp (km/sec)
_transit time (µsec/ft) |
1.6-2.5
190-122 |
2.05-4.5
149-68 |
3.25-3.6
94-85 |
0.16-1.45
1910-210 |
Shear wave
_Vs (km/sec)
_transit time (µsec/ft) |
0.38-0.39
800-780 |
0.14-1.56
2180-195 |
1.65
185 |
----
---- |
| Bulk density (gm/cm3) |
1.26-2.42 |
1.15-2.4 |
---- |
---- |
References:
- Anderson, A.L., 1992, Remote acoustic characterization of the seafloor including gassy and hydrated sediment regions, in 2nd international offshore and polar engineering conference proceedings, v. 1: International Society of Offshore and Polar Engineering, Golden Colorado, p. 674-683.
- Prensky, S.E., 1995, A review of gas hydrates and formation evaluation
of hydrate-bearing reservoirs (paper GGG), presented at1995 meeting of the Society of Professional Well Log Analysts, Paris, France, June 26-29.
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Last modified on 1996/04/05.