Pore fabric anisotropy: Testing the equivalent pore concept using magnetic measurements on synthetic voids of known geometry

Geophysical Journal International

Volumn 166, Issue 1, 2006, Pages 485-492

  Jones, Sebastian ^a   Benson, Philip ^a,b   Meredith, Philip ^a  

^a UNIVERSITY COLLEGE LONDON   (United Kingdom)

^b UNIVERSITY OF TORONTO   (Canada)

Author keywords

Anisotropy; Demagnetization; Inhomogeneous media; Laboratory measurement; Magnetic susceptibility; Porosity

Indexed keywords

ANISOTROPY; DEMAGNETIZATION; MAGNETIC METHOD; MAGNETIC SUSCEPTIBILITY; VOID;

EID: 33745593985     PISSN: 0956540X     EISSN: 1365246X     Source Type: Journal    
DOI: 10.1111/j.1365-246X.2006.03021.x     Document Type: Article

References (22)

1. Benson, P.M., 2004. Experimental study of void space, permeability and elastic anisotropy in crustal rock under ambient and hydrostatic pressure, PhD thesis, University of London, London.
2. Benson, P.M., Meredith, P.G. & Platzman, E.S., 2003. Relating pore fabric geometry to elastic and permeability geometry in Crab Orchard sandstone: A laboratory study using magnetic ferrofluid, Geophys. Res. Lett., 30 (19), 1976, doi:10.1029/2003GL017929.
3. Benson, P.M., Meredith, P.G., Platzman, E.S. & White, R.E., 2005. Pore fabric shape anisotropy in porous sandstone and its relation to elastic and permeability anisotropy under isostatic pressure, Int. Journal. Rock. Mech., 42, 890-899, doi:10.1016/j.ijrmms.2005.05.003.
4. Collinson, D.W., 1983. Methods in Rock Magnetism and Palaeomagnetism, Chapman and Hall, London, 503 pp.
5. Flinn, D., 1962. On folding during 3-D progressive deformation, Q. J. Geol. Soc. Lond., 118, 385-428.
6. Hrouda, F., 1982. Magnetic anisotropy of rocks and its application in geology and geophysics, Geophys. Surv., 5, 37-82.
7. Hrouda, F., Hanak, J. & Terzijski, I., 2000. The magnetic and pore fabrics of extruded and pressed ceramic models, Geophys. J. Int., 142, 941-947.
8. Jelinek, V., 1978. Statistical processing of anisotropy of magnetic susceptibility measured on groups of specimens, Studia Geoph. Geod., 22, 50-62.
9. Jones, C. & Meredith, P.G., 1998. An experimental study of elastic wave propagation anisotropy and permeability anisotropy in an illitic shale, in Eurock '98, Rock Mechanics in Petroleum Engineering, Vol. 2, pp. 307-313, SPE/SRM 47369.
10. Lo, T.-W., Coyner, K.B. & Toksoz, M.N., 1986. Experimental determination of elastic anisotropy of Berea sandstone, Chicopee shale, and Chelmsford granite, Geophysics, 51, 164-171.
11. Louis, L., David, C., Metz, V., Robion, P., Menéndez, B. & Kissel, C., 2005. Microstructural control on the anisotropy of elastic and transport properties in undeformed sandstones, Int. Journal. Rock. Mech., 42, 911-923, doi:10.1016/j.ijrmms.2005.05.004.
12. Osborn, J.A., 1945. Demagnetising factors of the general ellipsoid, Physical Review, 67, 345-357.
13. Pfleiderer, S. & Halls, H.C., 1990. Magnetic susceptibility anisotropy of rocks saturated with ferrofluid: A new method to study pore fabric? Phys. Earth planet. Int., 65, 158-164.
14. Pfleiderer, S. & Halls, H.C., 1993. Magnetic pore fabric analysis: verification through image autocorrelation, J. geophys. Res., 98, 4311-4316.
15. Pfleiderer, S. & Halls, H.C., 1994. Magnetic pore fabric analysis: A rapid method for estimating permeability anisotropy, Geophys. J. Int., 116, 39-45.
16. Pfleiderer, S. & Kissel, C., 1994. Variation of pore fabric across a fold-thrust structure, Geophys. Res. Lett., 21, 2147-2150.
17. Porath, H., Stacey, F.D. & Cheam, A.S., 1966. The choice of specimen shape for magnetic anisotropy measurements on rocks, Earth planet. Sci. Lett., 21, 2147-2150.
18. Rasolofosaon, P.N.J. & Zinszner, B.E., 2002. Comparison between permeability anisotropy and elastic anisotropy of reservoir rocks, Geophysics, 67, 230-240.
19. Stoner, E.C., 1945. The demagnetizing factors for ellipsoids, Phil. Mag., Ser., 7, 36, 803-821.
20. Tarling, D.H. & Hrouda, F., 1993. The Magnetic Anisotropy of Rocks, Chapman and Hall, London, 217 pp.
21. Uyeda, S., Fuller, M.D., Belshe, J.C. & Girdler, R.W., 1963. Anisotropy of magnetic susceptibility of rocks and minerals, J. geophys. Res., 68, 279-291.
22. Zhang, S. & Jin, J., 1996, Computation of Special Functions, Wiley & Sons, New York, 717 pp.