Structural and Stratigraphic Analysis of Ughelli X Field in the Niger Delta

Student: Emmanuel Ikhide Ataman (Project, 2025)
Department of Geophysics
Federal University of Petroleum Resources, Effurun, Delta State

Abstract

This study focuses on the stratigraphic and structural analysis of the Ughelli X Field in the Niger Delta using seismic inversion techniques and well log data. The research employs post-stack acoustic impedance inversion to quantify reservoir properties such as porosity and Total Organic Content (TOC), key indicators of hydrocarbon potential in unconventional reservoirs. Results reveal impedance-driven variations that correlate with reservoir characteristics, identifying areas with high TOC and low porosity as viable hydrocarbon targets. The field's depositional environment, dominated by non-marine shales with high clay content, aligns with findings that transgressive systems favour hydraulic fracturing and enhanced hydrocarbon recovery. Formation evaluation corroborates these insights, with gamma-ray signatures validating source-rock potential. This work underscores the utility of advanced geophysical techniques in delineating and characterizing unconventional reservoirs, offering critical insights for optimizing exploration and production strategies in the Niger Delta.

Keywords
Niger Delta Seismic Inversion Acoustic Impedance Total Organic Content Unconventional Reservoir Geophysics Structural Analysis Stratigraphic Analysis
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