Investigation of the Gravity Anomalies within Brass and Environs, Niger Delta Area, Nigeria: Implications for Hydrocarbon Prospectivity

Gabriel Ndubuisi Egwuonwu, Stephen Onyejiuwaka Ibe, Kingsley Nnaemeka Ejike, Obinwa Orji and Righteous Emmanuel Ombu
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Gabriel Ndubuisi Egwuonwu: Department of Physics and Industrial Physics, Nnamdi Azikiwe University, Awka, Anambra State, Nigeria
Stephen Onyejiuwaka Ibe: Department of Physics, Federal University Otuoke, Bayelsa State, Nigeria.
Kingsley Nnaemeka Ejike: Department of Physics and Industrial Physics, Nnamdi Azikiwe University, Awka, Anambra State, Nigeria.
Obinwa Orji: Department of Physics, Clifford University, Owerrinta, Nigeria.
Righteous Emmanuel Ombu: Department of Physics with Electronics, Federal Polytechnic Ekowe, Bayelsa State.

International Journal of Research and Innovation in Applied Science, 2023, vol. 8, issue 6, 45-56

Abstract: The airborne gravity data over Brass Area and environs, Niger Delta Area, Nigeria were processed and interpreted in order to delineate the sedimentary thickness within the basin and map out places with the potentials for hydrocarbon formation, accumulation and migration. The geological structures, depths andstructural trends within the area were investigated using Total Horizontal Gradient, Tilt Derivative, Analytical Signal Filters and Euler Deconvolution techniques. The results from Euler depths showed that the sedimentary thickness and structural depths within the area range from about 1.6 to over 17.4 km.The area predominantly has NE-SW structural trend with minor NW-SE trend.The sediment thickness and structural endowment of the area prompted the classification of Egeregere, Brass, Spiff Town, Kirikakiri Areas in the northern and the southern partsof the area as zones of very viable potentials for hydrocarbon generation, accumulation and migration.

Date: 2023
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