Understanding reservoir heterogeneity using variography and data analysis: an example from coastal swamp deposits, Niger Delta Basin (Nigeria)

Al-Dhafeeri, A.M. & Nasr-El-Din, H.A., 2007. Characteristics of high permeability zones using core analysis and production logging data. Journal of Petroleum Science and Engineering 55, 13–25.10.1016/j.petrol.2006.04.019Search in Google Scholar

Amaefule, J.O., Altunbay, M., Tiab, D., Kersey, D.G. & Keelan, D.K., 1993. Enhanced Reservoir Description: Using core and log data to identify hydraulic (flow) units and predict permeability in uncored intervals/wells. 68^th SPE Annual Technical Conference and Exhibition, Houston, USA. Paper SPE-26436, 16 pp.10.2118/26436-MSSearch in Google Scholar

Cabrera-Garzon, R., Arestad, J.F., Dagdelen, K. & Davis, T.L., 1997. Geostatistical simulation of reservoir porosity distribution from 3-D, 3-C seismic reflection and core data in the Lower Nisku Formarion at Joffre Field, Alberta. [in:] J.A. Kupez, J. Gluyas & S. Bloch (Eds), Reservoir quality prediction in sandstones and carbonates. American Association of Petroleum Geologists Memoir 60, 115–125.10.1306/M69613C9Search in Google Scholar

Delbari, M., Afrasiab, P. & Loiskandl, W., 2009. Using sequential Gaussian simulation to assess the field-scale spatial uncertainty of soil water content. Catena 79, 163–169.10.1016/j.catena.2009.08.001Search in Google Scholar

Deutsch, C. & Journel, A.G., 1998. GSLIB: Geostatistical Software Library and User’s Guide. 2^nd edition. Oxford University Press, 340 pp.Search in Google Scholar

Dimitrakopoulos R., & Luo, X., 2004. Generalized sequential Gaussian simulation on group size ν and screen-effect approximations for large field simulations. Mathematical Geology 36, 567–591.10.1023/B:MATG.0000037737.11615.dfSearch in Google Scholar

Doust, H., & Omatsola, E., 1990. Niger Delta [In:] J.D. Edwards & P.A. Santogrossi (Eds): Divergent/passive margin basins. American Association of Petroleum Geologists Memoir 48, 239–248.10.1306/M48508C4Search in Google Scholar

Evamy, B.D., Haremboure, J., Kamerling, P., Knaap, W.A., Molloy, F.A. & Rowlands, P.H., 1978. Hydrocarbon habitat of Tertiary Niger Delta. American Association of Petroleum Geologists Bulletin 62, 277–298.10.1306/C1EA47ED-16C9-11D7-8645000102C1865DSearch in Google Scholar

Gomez–Hernandez, J.J. & Journel, A.G., 1993. Joint sequential simulation of multigaussian fields. [In:] A. Soares (Ed.): Geostatistics Troia ‘92, Kluwer Academic Publ., 85–94.10.1007/978-94-011-1739-5_8Search in Google Scholar

Hooper, R.J., Fitzsimmons, R.J., Grant, N. & Vendeville, B.C., 2002. The role of deformation in controlling depositional patterns in the south-central Niger Delta, West Africa. Journal of Structural Geology 24, 847–859.10.1016/S0191-8141(01)00122-5Search in Google Scholar

Lawrence, S.R., Munday, S. & Bray, R., 2002. Regional geology and geophysics of the eastern Gulf of Guinea (Niger Delta to Rio Muni). The Leading Edge 21, 1112–1117.10.1190/1.1523752Search in Google Scholar

Lehner, P., & De Ruiter, P.A.C., 1977. Structural history of Atlantic Margin of Africa. American Association of Petroleum Geologists Bulletin 61, 961–981.10.1306/C1EA43B0-16C9-11D7-8645000102C1865DSearch in Google Scholar

Leuangthong, O., McLennan, J.A, & Deutsch, C.V., 2004. Minimum acceptance criteria for geostatistical realizations. Natural Resources Research 13, 131–141.10.1023/B:NARR.0000046916.91703.bbSearch in Google Scholar

Mitchum, R.M., Sangree, J.B., Vail, P.R. & Wornardt, W.W., 1994. Recognizing sequences and systems tracts from well logs, seismic data and biostratigraphy: Examples from the Late Cenozoic of the Gulf of Mexico. American Association of Petroleum Geologists Memoir 58, 163–197.10.1306/M58581C7Search in Google Scholar

Obi. I.S. & Mode, A.W., 2011. Geologic controls on reservoir architecture and heterogeneity: Example from braided river deposits in SE Nigeria. Nigerian Association of Petroleum Explorationists Bulletin 23, 72–87.Search in Google Scholar

Obi, I.S. & Onuoha, K.M., 2017. Lithology and reservoir facies identification using data integration: An example from the ‘Cissero’ Field, Onshore Niger Delta Basin. [In:] K.M. Onuoha (Ed.): Advances in Petroleum Geosciences Research in Nigeria – Basin Analysis and Reservoir Characterization Studies. Utopia Publishing, Lagos, 33–45.Search in Google Scholar

Obi, I.S., Onuoha, K.M., & Obilaja, O.T., 2017. Prediction of reservoir properties using Crossplot Trends: An example from Coastal Swamp Depobelt of the Niger Delta Basin, Nigeria. [In:] K.M. Onuoha (Ed.): Advances in Petroleum Geosciences Research in Nigeria – Basin Analysis and Reservoir Characterization Studies. Utopia Publishing, Lagos, 20–32.Search in Google Scholar

Soltani, F., Afzal, P. & Asghari, O., 2013. Sequential Gaussian simulation in the Sungun Cu porphyry deposit and comparing the stationary reproduction with ordinary kriging. Universal Journal of Geoscience 1, 106–113.10.13189/ujg.2013.010210Search in Google Scholar

Stacher, P., 1995. Present understanding of the Niger Delta hydrocarbon habitat. [In:] M.N. Oti & G. Postma, G. (Eds): Geology of Deltas: Balkema, Rotterdam, 257–267.Search in Google Scholar

Tanmay, C., 2008. Permeability estimation using flow zone indicator from well log data. 7^th International Conference and Exhibition on Petroleum Geophysics, Hyderabad, 7 pp.Search in Google Scholar

Uguru, C.I., Onyeagoro, O.U., Lin, J. Okkerman, J. & Sikiru, I.O., 2005. Permeability prediction using Genetic Unit Average of Flow Zone Indicators (FZIs) and Neural Networks. Society of Petroleum Engineers Annual Conference, Abuja, Nigeria, paper 98828, 8 pp.10.2118/98828-MSSearch in Google Scholar