FUPRESpace
Welcome to FUPRESpace, The Institutional Repository of Federal University of Petroleum Resources. A collection of theses, articles, books, videos, images, lectures, papers, data sets, and all types of digital content originating from the Federal University of Petroleum Resources, Nigeria. This repository is managed by the University Library
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- This houses intellectual collections of Biochemistry Department
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- This contains the intellectual works of the faculty members in the College of Science
Recent Submissions
GROUNDWATER FLOW DIRECTION EVALUATION FOR FLOOD AND CONTAMINATION CONTROL IN OSUBI, SOUTHERN NIGERIA
(Zibeline International Publishing, 2023) Onifade, Y.S.; Osisanya, W.O.
The determination of groundwater flow direction is essential in flood and groundwater contamination
control. This study aimed at determining the groundwater flow direction in the study area to infer possible
areas of further spread of contaminants and identify areas that might be prone to flooding shortly. Fifty (50) hand-dug wells were sampled with the aid of a long tape (200/60m) and a global positioning system (GPS) to determine their hydraulic heads, while topography and groundwater flow direction maps of the study area were generated using surfer 13 and groundwater modeling software, respectively. The result revealed that the hydraulic heads and static water level (SWL) values range from 0.63-27.15 m and 1.15–4.88 m, respectively, while the elevation values range from 5–30 m. The study area is characterized by undulating and relatively flat terrain in different parts of the area, while the groundwater flow direction depicts a nonuniform directional flow of groundwater in the study area. This suggests that the groundwater contamination discovered in the area might soon spread to contaminate their nearby environs if not promptly and urgently controlled. It is hereby recommended that every anthropogenic activity, such as abattoirs, mechanic workshops, dumpsites, etc., that can increase the rate of groundwater contamination in the study area be restricted to the north-eastern, eastern, and southeastern parts due to their low hydraulic heads.
Heavy metal content and health risk assessment at Akri waste dumpsite, Niger Delta Region of Nigeria
(Springer Nature, 2024-03-18) Agho, F.I.; Osisanya, W.O.; Ighrakpata, C.F; Amoyedo, A.A.
In most parts of the world, solid waste management is a serious worry and unsolved problem, particularly in poor countries, where solid waste is dumped in unregulated dumpsites in public spaces. This research aims to provide a comprehensive understanding of the contamination levels, sources, and associated health risks in the groundwater around the Akri solid waste dumpsite. The methodology involves a combination of field sampling, laboratory analysis, and statistical techniques to draw conclusions about the current state of groundwater quality and propose recommendations for future actions. This method has the potential to contaminate environmental compartments, such as soil, surface water, and groundwater, putting human health at risk. Groundwater samples were taken from 18 locations in and near the Akri solid waste dumpsite in Warri, Nigeria, for physicochemical analysis following the American Public Health Association (APHA) set standard. Principal component analysis (PCA) results revealed that that the loadings in components were essentially from enduring or potentially filtering of loess. The correlation index witnessed poor correlation within elements. Contamination factor values of less than 1 were observed in the entire study area except for Fe which had values ranging from moderate contamination to
extremely high contamination. Pollution load index (PLI) values had values of less than one, implying low pollution. Metal Pollution Index (MPI) values in the entire samples had their concentration levels less than 0.3. The values of Pollution Index of Groundwater (PIG) showed that the entire samples within the study area were below 0.1. Contamination Index values showed that the entire water samples ranged between clean water to heavy polluted water, especially boron (Br) and Iron (Fe). Furthermore, the hazard quotients (HQ) reported that the non-carcinogenic risk posed by drinking water containing trace metals for both children and adults in the research area is in the trend of As > Fe > Ni > Cu > Cr > Pb > Br > Hg. It was
observed that anthropogenic activities are the major cause of heavy metals in groundwater within the study. Regular appraisal of groundwater sources is highly recommended.
HYDROCARBON EXPLORATION AND RESOURCE OPTIMIZATION THROUGH SEQUENCE STRATIGRAPHIC ANALYSIS AND DATA AUGMENTATION OF HIGH FIELD OFFSHORE WESTERN NIGER DELTA
(Zibeline International Publishing, 2024-01-11) Adebayo, S.S.; Osisanya, W.O.; Ighrakpata, C.F.; Ibitoye, T.A.; Tokunbo, S.F.
Efficient hydrocarbon exploration and resource optimization are vital for sustainable oil reservoir
development. This necessitates a profound grasp of source rocks and trapping systems, typically gleaned
from subsurface seismic studies followed by drilling for resource extraction. Additionally, interpreting
stratigraphic data is critical for identifying productive reservoirs, distinguishing low-yield from high-yield
sands, and reducing exploration risks and costs. Our study aims to enhance subsurface structure and
stratigraphic understanding, specifically identifying potential hydrocarbon reservoirs, source rock
formations, sealing structures, stratigraphic traps, and depositional environments. In the Niger Delta region,
we seek to reduce operational costs and exploration risks related to oil and gas exploration. In the "high field" offshore Niger Delta, our research combines well logs and seismic data to define hydrocarbon trapping potential, stratigraphic profiles, and depositional settings. The stratigraphic sequence is systematically divided into system tracts by five sequence boundaries, maximum flooding surfaces, and transgressive surfaces that reveal different depositional environments. This integrated approach pinpoints two prospective areas, P1 and P2, as potential hydrocarbon reservoirs. The analysis of seismic data and well logs is highly effective in identifying subsurface structures conducive to hydrocarbon accumulation within the stratigraphic framework. Furthermore, the alternation of lowstand, transgressive, and highstand system tracts suggests favorable conditions for source rocks, sealing formations, and reservoirs, improving the prospects for successful hydrocarbon exploration and resource optimization.
SEDIMENTARY DEPOSITIONAL SEQUENCE AND PETROPHYSICAL PROPERTY ANALYSIS FROMWELL LOGS OF ‘WONDER’ FIELD, COASTAL SWAMPDEPOBELT, NIGER DELTA
(Zibeline International Publishing, 2024-03) Ishola, E.O.; Osisanya, W.O.; Korode, A.I.; Amoyedo, A.A.
In the Niger Delta's "WONDER" field, seven wells were thoroughly examined. The petrophysical
characteristics of the sequences were determined using sequence stratigraphy, and the lithostratigraphic
settings were modeled. Utilizing Schlumberger Petrel Software and Microsoft Excel, well logs and reservoir
sands (RES A, RES B, and RES C) were analyzed, and petrophysical parameters were calculated.
Biostratigraphic plots of the varieties of foraminifera in the reference well (WON 12-ST1) showed three
sequences. These were found by matching log trends with depositional settings. There were three maximum flooding surfaces and four sequence boundaries. All of the sequences were classified as type-1, and there were three system tracts: transgressive (TST), highstand (HST), and lowstand (LST). In the HST and LST, prograding and aggrading sands with diminishing shale volume uphill were combined with retrograding shale and sand units. In the LST, TST, and HST, hydrocarbon buildups were discovered based on resistivity log data and calculated hydrocarbon saturation values. Average petrophysical parameters showing different shale volumes, total porosity, hydrocarbon saturation, and permeability ranges were calculated for RES A, RES B, and RES C over the seven wells. Examples of these ranges were found in Reservoir A, where the permeability measured 6978–8391 mD, the hydrocarbon saturation ranged from 51–59%, and the amount of shale ranged from 9–14%. This research provides crucial insights into the sedimentary patterns and hydrocarbon potential of the "WONDER" field in the Niger Delta.
Application of Geophysical Methods in the Determination of Pb-Zn Mineralization in Abakaliki, Parts of the Southern Benue Trough, Nigeria
(IJESKA / DergiPark, 2024-08) Ighrakpata, C.F; Osisanya, W.O.; Ajibade, F.Z
To identify Pb-Zn mineralization in the Abakaliki province, an integrated strategy was used for the objective of this study. Particularly in the Nsuba, Oputumo, Amenyi, Nsobo, and Opuitumo lodes. This investigation was conducted using two methods: the resistivity method (Dipole dipole configuration) and induced polarization (IP). The apparatus utilized for this research is the Abem Terrameter SAS 4000. There were ten (10) Dipole dipole arrays installed in the research region, with electrode spacing ranging from five to
twenty meters in a NW-SE direction and a maximum spread of two hundred meters. Findings from the study suggested that mineralized zones, resistivity values ranging from 0.4 to 1354 Ω-m and chargeability values from -877 to 813 ms were found. Positive magnetic anomalies were found in areas below the ground that had unusually high chargeability and relatively low resistivity structures. This suggested that Pb-Zn minerals might be present. The mineralization, characterized as a mildly disseminated stockwork,
leans towards a relatively epigenetic nature.