Stress-induced anisotropy in brine saturated shale

Geophysical Journal International

Volumn 184, Issue 2, 2011, Pages 897-906

  Piane, C Delle ^a   Dewhurst, D N ^a   Siggins, A F ^a   Raven, M D ^a  

^a CSIRO   (Australia)

Author keywords

Acoustic properties; Body waves; Geomechanics; Microstructures; Seismic anisotropy; Wave propagation

Indexed keywords

ANISOTROPIC PROPERTY; APPLIED STRESS; BODY WAVES; CONFINING PRESSURES; DIFFERENTIAL STRESS; EFFECTIVE STRESS; ELASTIC ANISOTROPY; ELASTIC PROPERTIES; EXTERNAL STRESS; FABRIC ORIENTATION; GEOMECHANICS; INITIAL COMPOSITION; MAXIMUM PRINCIPAL STRESS; MAXIMUM STRESS; MICROFABRIC; MICROFRACTURES; ROCK FABRICS; S-WAVE VELOCITY; SEISMIC ANISOTROPY; STRESS ANISOTROPY; STRESS ORIENTATIONS; STRESS-INDUCED ANISOTROPY; TRIAXIAL TEST; ULTRASONIC WAVE VELOCITY; UNDRAINED; VELOCITY ANISOTROPY; WAVE VELOCITY;

ACOUSTIC PROPERTIES; ANISOTROPY; ANOXIC SEDIMENTS; MICROSTRUCTURE; SEISMOLOGY; SHALE; ULTRASONIC TRANSDUCERS; ULTRASONIC WAVES; ULTRASONICS; VELOCITY;

ACOUSTIC WAVE PROPAGATION;

ACOUSTIC PROPERTY; BODY WAVE; CONFINING PRESSURE; EFFECTIVE STRESS; ELASTIC PROPERTY; GEOMECHANICS; MICROSTRUCTURE; P-WAVE; S-WAVE; SEISMIC ANISOTROPY; SEISMIC VELOCITY; SHALE; TRIAXIAL TEST; ULTRASONICS; UNDRAINED TEST; WAVE PROPAGATION;

EID: 78751502278     PISSN: 0956540X     EISSN: 1365246X     Source Type: Journal    
DOI: 10.1111/j.1365-246X.2010.04885.x     Document Type: Article

References (22)

1. Atkinson, J.H. & Bransby, P.L., 1978. The Mechanics of Soils-An Introduction to Critical State Soil Mechanics, McGraw-Hill, London, 375 pp.
2. Birch, F., 1960. The velocity of compressional waves in rocks to 10 kbars, J. geophys. Res., 65, 1083-1102.
3. Dewhurst, D.N. & Siggins, A.F., 2006. Impact of fabric, microcracks and stress field on shale anisotropy, Geophys. J. Int., 165, 135-148.
4. Fjaer, E., Holt, R.M., Horsrud, P., Raaen, A.M. & Risnes, R., 1992. Petroleum Related Rock Mechanics, Vol. 33, Elsevier, Amsterdam .
5. Gao, Y. & Crampin, S., 2003. Temporal variations of shear-wave splitting in field and laboratory in China, J. appl. Geophys., 54, 279-287.
6. Hornby, B.E., 1998. Experimental laboratory determination of the dynamic elastic properties of wet, drained shales, J. geophys. Res., 103, 29 945-29 964.
7. Jakobsen, M. & T.A. Johansen, 2000. Anisotropic approximations for mudrocks: a seismic laboratory study, Geophysics, 65, 1711-1725.
8. Johnston, D.H., 1987. Physical properties of shales at temperature and pressure, Geophysics, 52, 1391-1401.
9. Johnston, J.E. & Christensen, N.I., 1995. Seismic anisotropy of shales, J. geophys. Res., 100, 5991-6003.
10. Johnston, D.H. & Toksoz, M.N., 1980. Ultrasonic P and S wave attenuation in dry and saturated rocks under pressure, J. geophys. Res, 85, 925-936.
11. Jones, L.E.A. & Wang, H.F., 1981. Ultrasonic velocities in cretaceous shales from the Williston basin, Geophysics, 46, 288-297.
12. Lo, T.W., Coyner, K.B. & Toksoz, M.N., 1986. Experimental determination of elastic anisotropy of Berea sandstones, Chicopee shale, and Chelmsford granite, Geophysics, 51, 164-171.
13. Podio, A.L., Gregory, A.R. & Gray, K.E., 1968. Dynamic properties of 16 dry and water-saturated green river shale under stress, J. Soc. Petroleum Eng. (SPE), 8(4), 389-404.
14. Popp, T. & Salzer, K., 2007. Anisotropy of seismic and mechanical properties of Opalinus clay during triaxial deformation in a multi-anvil apparatus, Phys. Chem. Earth, 32, 879-888.
15. Sarout, J. & Gueguen, Y., 2008. Anisotropy of elastic wave velocities in deformed shales, part 1: experimental results, Geophysics, 73, D75-D89.
16. Sarout, J., Molez, L., Gueguen, Y. & Hoteit, N., 2007. Shale dynamic properties and anisotropy under triaxial loading: experimental and theoretical investigations, Phys. Chem. Earth, 32, 896-906.
17. Sayers, C.M., 1999. Stress-dependent seismic anisotropy of shales, Geophysics, 64, 93-98.
18. Scholz, C.H., 2002. The Mechanics of Earthquake and Faulting, 2nd edn, Vol. 1, Cambridge University Press, Cambridge .
19. Stanley, D. & Christensen, N.I., 2001. Attenuation anisotropy in shale at elevated confining pressures, Int. J. Rock Mech. Mining Sci., 38, 1047-1056.
20. Thomsen, L., 1986. Weak elastic anisotropy, Geophysics, 51, 1954-1966.
21. Wang, Z., 2002. Seismic anisotropy in sedimentary rocks, part 2: laboratory data, Geophysics, 67, 1423-1440.
22. Yin, H., 1992. Acoustic velocity and attenuation of rocks: isotropy, intrinsic anisotropy, and stress-induced anisotropy, PhD thesis, Stanford University Stanford, USA.