Seismic Rock Properties and Their Significance for the Interpretation of Seismic Amplitude Variation with Angle (AVA), Offshore Liberia and Sierra Leone

References

1. Batzle, M. and Wang, Z. [1992]. Seismic properties of pore fluids.Geophysics, 57(11), 1396–1408.
   [Google Scholar]
2. Brownfield, M.E. and Charpentier, R.R. [2006]. Geology and Total Petroleum Systems of the Gulf of Guinea Provence of West Africa. USGS, U.S.Geological Survey Bulletin, 2207-C, July 2006.
   [Google Scholar]
3. Castagna, J.P., Batzle, M.L. and Kan, T.K. [1993]. Rock physics: The link between rock properties and AVO response, in J. P.Castagna and M. M.Backus, eds., Offset-dependent reflectivity — Theory and practice of AVO analysis: SEG Investigations. Geophysics, 8, 135–171.
   [Google Scholar]
4. Dailly, P., Henderson, T., Hudgens, E., Kanschat, K. and Lowry, P. [2013]. Exploration for Cretaceous stratigraphic traps in the Gulf of Guinea, West Africa and the discovery of the Jubilee Field: a play opening discovery in the Tano Basin, Offshore Ghana.Geological Society, London, Special Publications, 369(1), pp.235–248.
   [Google Scholar]
5. Ehrenberg, S.N., and P.H.Nadeau [2005]. Sandstone vs. carbonate petroleum reservoirs: A global perspective on porosity-depth and porosity-permeability relationships:AAPG Bulletin, 89(4), 435–445, https://doi.org/10.1306/11230404071.
   [Google Scholar]
6. Gardner, G.H.F., Gardner, L.W. and Gregory, A.R. [1974]. Formation velocity and density — The diagnostic basics for stratigraphic traps.Geophysics, 39(6), 770–780, https://doi.org/10.1190/1.1440465.
   [Google Scholar]
7. Granot, R. and Dyment, J. [2015]. The Cretaceous opening of the South Atlantic Ocean.Earth and Planetary Science Letters, 414, 15 March 2015, 156–163.
   [Google Scholar]
8. Greenberg, M.L. and Castagna, J.P. [1992]. Shear-wave velocity estimation in porous rocks: Theoretical formulation, preliminary verification and applications.Geophysical Prospecting, 40(2), 195–209, https://doi.org/10.1111/j.1365-2478.1992.tb00371.x.
   [Google Scholar]
9. Hedley, R., Intawong, A., Winter, F. and Sibeya, V. [2022]. Hydrocarbon play concepts in the Orange Basin in light of the Venus and Graff oil discoveries.First Break, 40(5), pp.91–95.
   [Google Scholar]
10. Macgregor, D., Robinson, J. and Spear, G. [2003]. Play Fairways of the Gulf of Guinea Transform Margin. From: Arthur, T.J., Macgregor, D.S. and Cameron, N.R. (eds) Petroleum Geology of Africa: New Themes and Developing Technologies. Geological Society, London, Special Publications, 207, 131–150.
    [Google Scholar]
11. Mur, A. and Vernik, L. [2019]. Testing popular rock-physics models.The Leading Edge, 38, 350–357, https://doi.org/10.1190/tle38050350.1
    [Google Scholar]
12. Shuey, R.T. [1985]. A simplification of the Zoeppritz equations.Geophysics, 50(4), 609–614, https://doi.org/10.1190/1.1441936.
    [Google Scholar]
13. Smith, T.M., Sondergeld, C.H. and Rai, C.S. [2003]. Gassmann fluid substitution: A tutorial.Geophysics, 68(2), 430–440, https://doi.org/10.1190/1.1567211.
    [Google Scholar]
14. Went, D.J. [2021]. Practical application of global siliciclastic rock-property trends to AVA interpretation in frontier basins.The Leading Edge, 40, 454–459, https://doi.org/10.1190/tle40060454.1.
    [Google Scholar]
15. Went, D.J. [2025]. A graphical approach to determine the relationship between intercept, gradient and the common seismic rock properties: global model and application.The Leading Edge (in press).
    [Google Scholar]
16. Went, D.J., Hedley, R. and Rogers, J. [2023]. Screening for AVA Anomalies in Siliciclastic Basins: Testing a Seismic Inversion Method in the Mississippi Canyon, Gulf of Mexico.First Break, 41, 75–81, https://doi.org/10.3997/1365-2397.fb2023076
    [Google Scholar]
17. Went, D.J., Bamford, M., Rogers, J., Brown, S., and Turner, G. [2025]. Characterising hydrocarbon discoveries and prospects in the Tay Sandstone using relative elastic inversion: Greater Pilot area, Central North Sea. Powering the Energy transition through subsurface collaboration.Geological Society Book Series, EGC, 1 (in press), https://doi.org/10.1144/egc1-2023-37
    [Google Scholar]
18. Whitcombe, D.N., Connolly, P.A., Reagan, R.L. and Redshaw, T.C. [2002]. Extended elastic impedance for fluid and lithology prediction.
    [Google Scholar]
19. Winter, F., Esestime, P., Masotti, R., Tibocha, E., Deighton, I., Went, D. and Sayers, B. [2021]. October. Revealing the Hydrocarbon Potential and Quantifying the Prospectivity of the Harper Basin, Liberia, West Africa.82nd EAGE Annual Conference & Exhibition (extended abstract).
    [Google Scholar]