Petrophysical Evaluation of H-field, Niger Delta Basin for Petroleum Plays and Prospects

Abstract

As a result of a combination of several methodologies, the H-Field, Niger-Delta, has been delineated. To identify probable reservoirs, seals, and source rocks in the study area, this study integrates sequence stratigraphy with petrophysical concepts through a comprehensive analysis of 3D seismic and well logging datasets. According to the 3D facies model, reservoirs are dominated by sand and are laterally extensive. They were then upscaled and stochastically distributed to create a 3D reservoir property model. On average, the porosity of these clastic reservoirs ranges from 22 to 28%. Reservoir net-to-gross (NTG) ratios range from 0.67 to 0.96. Water saturation ranges from 8% to 30%, while hydrocarbon saturation ranges from 70% to 92%. Four gas-bearing units and six oil-bearing units are present in reservoirs P 0.5 and P 1 compartments. All reservoir intervals’ oil and gas volumes are evaluated based on the hydrocarbon distribution. Geological models of the subsurface, such as the one in this paper, are crucial for future reservoir development programs.

Exploring Reservoir Potential of the "X Field" Offshore, Niger Delta Basin: An Emphasis on Lithofacies, Depositional Environments, and Petrophysical Characteristics

“…The Niger Delta is an area in Nigeria known for its significant reserves of hydrocarbons, which include both oil and natural gas [1]. These hydrocarbons are found in microscopic pore spaces or open cracks in reservoir rocks.…”

“…The distribution of petrophysical properties and trends found during formation evaluation can be used to derive this. Scientists are currently studying the "X Field", located offshore in Nigeria's Niger Delta and the Gulf of Guinea, in order to gain a better understanding of the geological factors that contribute to the formation and preservation of hydrocarbon reservoirs [1][2][3][4][5]. By analyzing the depositional settings and reservoir quality in this area, researchers aim to improve hydrocarbon recovery and production, identify regions with high hydrocarbon potential, and guide future exploration efforts.…”