TY - JOUR T1 - New Petrophysical Equations for the Tanuma-Ahmadi Interval in the East-Baghdad Oil Field TT - Doğu Bağdat Petrol Sahasında Tanuma-Ahmadi Aralığı için Yeni Petrofizik Denklemler AU - Abdullah, Maan PY - 2021 DA - January Y2 - 2020 DO - 10.25288/tjb.587368 JF - Türkiye Jeoloji Bülteni JO - Geol. Bull. Turkey PB - TMMOB Jeoloji Mühendisleri Odası WT - DergiPark SN - 1016-9164 SP - 75 EP - 82 VL - 64 IS - 1 LA - en AB - Porosity and density information were taken from five well logs scattered in East Baghdad oil field. New empirical equations (porosity-depth, density-depth) were established for all the geological formations within the Tanuma-Ahmadi interval. The correlation coefficient (R) of these equations derived for each formation ranged from 0.04 to 0.61 which was attributed to variable lithological effects.The depth information for (126) velocity analysis sites covering the field were used to apply those new equations.After the new empirical equations were applied on the whole field, porosity and density contour maps for the period (Tanuma-Ahmadi) were produced. The locations of high porosity zones were identified and related to the compaction and petroleum distribution in the field. KW - seismic velocity analyses KW - petrophysical parameters KW - empirical equations KW - East Baghdad oil field N2 - Porosity and density information were taken from five well logs scattered in East Baghdad oil field. New empirical equations (porosity-depth, density-depth) were established for all the geological formations within the Tanuma-Ahmadi interval. The correlation coefficient (R) of these equations derived for each formation ranged from 0.04 to 0.61 which was attributed to variable lithological effects.The depth information for (126) velocity analysis sites covering the field were used to apply those new equations.After the new empirical equations were applied on the whole field, porosity and density contour maps for the period (Tanuma-Ahmadi) were produced. The locations of high porosity zones were identified and related to the compaction and petroleum distribution in the field. CR - Al-Ameri, T.K. & Al-Obaydi, 2011. Khasib and Tannuma oil sources, East Baghdad oil field, Iraq. Journal of Marine and Petroleum Geology, Elsevier, 28, 880-894. CR - Al-Jawad M. S. & Kareem K. A., 2016. Geological Model of Khasib Reservoir- Central Area/East Baghdad Field. Iraqi Journal of Chemical and Petroleum Engineering, 17(3), 1-10. CR - Al-majid, M., 1992. The study of compaction in the east Baghdad oil field by using seismic velocity analyses (Unpublished MSc thesis), University of Mosul, Iraq. CR - Asquith, G. B. & Krygowski, D., 2004, Basic Well Log Analysis, 2nd Edition: AAPG Methods in Exploration Series 16. The American Association of Petroleum Geologists Tulsa, Oklahoma, 244 p. CR - Dieokuma. T., Ming, G.H., Uko, E.D., Tamunoberetonari, I. & Emudianughe, J.E., 2014. Porosity modeling of the south-east Niger deltbasin, Nigeria. International Journal of Geology, Earth and Environmental Sciences, 4(1), 49-60. CR - Fuchtbauer H (1967). Influence of different types of diagenesis on sandstone porosity. Proceedings of the 7th World Petroleum Congress 2, 353 – 369 CR - Kharaka, Y.K. & Berry, E.A.E., 1976. Chemistry of waters expelled from sands and sandstones. In G.V. Chilingarian & K.H. Wolf (Eds.), Compaction of Coarse-Grained Sediments II (pp. 41-68). Elsevier, Amsterdam. CR - Schmidt, V., McDonald, D.A. & Platt, RL. 1977, Pore geometry and reservoir aspects of secondary porosity in sandstones. Bulletin of Canadian Petroleum Geology, 25, 271 – 290. CR - Telford, W.M., Geldart, L.P., & Sheriff, R.E.,1976. Applied Geophysics 2nd edition. Cambridge University Press. CR - Wolf, K.H. & Chilin A.G., 1976. Diagenesis of sandstones and compaction. In G.V. Chilingarian & K.H. Wolf (Eds.), Compaction of Coarse-Grained Sediments II (pp. 69-444). Elsevier, Amsterdam. UR - https://doi.org/10.25288/tjb.587368 L1 - https://dergipark.org.tr/en/download/article-file/1210473 ER -