The Effect Of Density-velocity Relation Parameters On Density Curves In Tau (τ) Field, Niger Delta Basin

J. G. Atat (), A. O. Akankpo, E. B. Umoren, O. I. Horsfall and S. S Ekpo
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J. G. Atat: Department of Physics, University of Uyo, Uyo, Nigeria
A. O. Akankpo: Department of Physics, University of Uyo, Uyo, Nigeria
E. B. Umoren: Department of Physics, University of Uyo, Uyo, Nigeria
O. I. Horsfall: Department of Physics, Rivers State University, Port Harcourt, Nigeria
S. S Ekpo: Department of Physics, University of Uyo, Uyo, Nigeria

Malaysian Journal of Geosciences (MJG), 2020, vol. 4, issue 2, 54-58

Abstract: We considered the constants obtained for tau (ݜϩField in the Niger Delta basin from well-log data of three wells (A,B,C) to investigate the effect of inclusion of these constants on density-velocity relation using Hampson Russell Software to generate density curve in tau field. The curves were compared to those generated from Gardner and Lindseth constants and in-situ density curves. Many researchers have worked on constants for density-velocity equations for different Fields; their results always differ from Gardner and Lindseth constants including the constants of Atat et al., 2020 which are considered in this investigation as Tau Field local fit constants. Our findings support the results of these researchers. Results indicate over estimation of density curves when using Gardner and Lindseth constants. The challenge is that in-situ density curves are not accurate due to sand-shale overlap of density values. The most improved and accurate result is given by the density curves obtained using the constants for specific sand and shale lithologies (local fits). This verifies the need for the determination of constants for local fit of the oil field under investigation. The pink curves truly indicate the density estimation for the tau field which is very reliable in the characterisation of reservoir.

Keywords: Density; Velocity; Curves; Effect; Field; Parameters and Well-log data. (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:zib:zbnmjg:v:4:y:2020:i:2:p:54-58

DOI: 10.26480/mjg.02.2020.54.58

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