Subsurface evaluation of source rock and hydrocarbon potential of the anambra basin, south eastern nigeria pdf. Evidence from field relationship and sedimentological study adeigbe, o. Geochemical characterization of a cretaceous black shale from the. Science and education publishing is an academic publisher of open access journals. S1 free bitumen determined by thermovapourization at 300c. Palynological and sequence stratigraphy characterization of the earlylate campanian nkporo shale, orekpekpeimiegba area, anambra basin, nigeria adebayo olajide f. Department of geology, anambra state university, uli. The northsouth trending awkaorlu cuesta divides the study area into two relief features, viz. Department of geology, ekiti state university, ado ekiti nigeria olaburaimo a. The result from the first vertical derivative shows that the northern part of the area is covered by the young biotite granite of precambrian origin, and the western edge is covered by the old granite, gneisses, and migmatite of western. Sedimentology and sequence stratigraphy of the nkporo. Gravity studies in the bida basin put the maximum thickness of the sedimentary successions at about 3. Synoptic basin analysis as a basis for evaluating its. The anambra basin is a roughly triangular basin containing more than 5 km thick of sediments of varied lithologies.
Diagenetic study of sandstone sediments in parts of anambra. Petroleum potentials of the nigerian benue trough and. Geochemical evaluation of okaba odagbo coal deposit. Anambra and bida basins indicates thats the successions of the anambra basin reached up to 8 km thickness compared with an average of 3.
Anambra state has many other resources in terms of agrobased activities such as fisheries and farming, as well as land cultivated for pasturing and animal husbandry. Biostratigraphy and paleoenvironment of the coniacian. Integration of electrical resistivity and induced polarization for subsurface imaging around ihe pond, nsukka, anambra basin, nigeria. Geochemical evaluation of okaba odagbo coal deposit, anambra basin, nigeria abstract. Geological map of the anambra basin and adjacent areas. Subsurface evaluation of source rock and hydrocarbon. A study of hydrocarbon generation and expulsion of the. This study is a contribution to our understanding of the hydrocarbon potentials of the nkporo shale in the anambra basin, nigeria. Nov 28, 20 this study is a contribution to the understanding of the play fairway in the anambra basin. M 2 6 2departmentof chemical and geological sciences, alhikmah university, ilorin, nigeria 7 3department of geology, university of ibadan, ibadan, nigeria.
Paleoecology of enugu and mamu formations in anambra basin. Hydrogeophysical investigation of southern anambra basin. The main objective was to simulate the hydrocarbon generation and expulsion in the nkporo source horizons encountered in igbariam1, iji1, and ajire1 wells drilled in the basin, using the onedimensional genesis zetaware basin modeling software. Anambra basin is one of nigerias inland sedimentary basins, where petroleum exploration activities are presently taking place. Sedimentary facies characterization and depositional settings. Geochemical studies have been carried out on coal samples from okaba odagbo in the anambra basin of nigeria to determine their geochemical characteristics and possible use as coking coal or otherwise. It extends northwestward into the niger valley, northward to the jos massif and northeastward as far as lafia. Paleoecology of enugu and mamu formations in anambra basin, southeastern nigeria onuigbo e.
Diagenetic study of sandstone sediments in parts of anambra and afikpo basins, southeastern nigeria. Pdf petroleum potentials of the nigerian benue trough and. Hence this present study in the anambra drainage basin is considered not only timely but very needful. Northern anambra basin of nigeria 1fatoye felix bamidele and 2mepaiyeda seyi 1,2department of mineral and petroleum resources engineering, kogi state polytechnic, lokoja, nigeria chemical and geochemical studies have been carried out on coal samples from igaliwo and olokwu coal deposits in northern anambra basin of nigeria. A sequence stratigraphic model for the group was developed by nwajide and reijers 1996, on the basis of stratigraphic analysis of a composite section located at leru, near okigwe. Every volume of this journal will consist of 4 issues. Research article quality assessment of igaliwo and olokwu. Excitement as orient petroleum strikes oil in anambra. The journal also encourages the submission of useful reports of negative results.
It was done by estimating the geographic extent of the basin s petroleum system in order to create the areal extent maps. Sedimentological characteristics of ajali sandstone at. It is a nearly triangular shaped depression covering about 3000 km 2 and containing 6000 m thick cretaceous and tertiary sediments ekine and onuoha, 2008. Pdf structural, stratigraphic and combination traps on.
The results indicated that values of hydraulic conductivity ms and transmissivity m 2 s range. The areal extent maps were generated using the reports of the stratigraphic subsurface horizons of amansiodo1, ihandiagu1, igbariam1, alo1, anambra river1, akukwa1, and nzam1. Thus within the anambra basins and niger delta basins ground water yield becomes extensive to the extent that free flow conditions occur in confined areas unlike surface water that cuts across geographical boundaries, the occurrence of groundwater in. Organic geochemical studies and fossil molecules distribution results have been employed in characterizing subsurface sediments from some sections of anambra basin, southeastern nigeria. The main oil source formations of the anambra basin. Sedimentary facies characterization and depositional. The anambra basin, located in the southern benue trough is a post santonian synclinal sedimentary structure containing over 5,000m thick of upper cretaceous to recent sediments. Depositional environments, organic richness, and petroleum generating potential of the campanian to maastrichtian enugu formation, anambra.
Geotechnical and geochemical assessments of shales in anambra. Tags free geography project pdf, free geography projects pdf, free project topics, geography. Asian journal of geological research aims to publish highquality papers click here for types of paper in all areas of geology. The study area lies within the anambra basin and it is made up of enugu shale, mamu formation, ajali sandstone, and nsukka formation. Subsurface evaluation of source rock and hydrocarbon potential of the anambra basin, south eastern nigeria iheanacho princewill ugochukwu dissertation. Geochemical evaluation of okaba odagbo coal deposit, anambra basin, nigeria onoduku, usman shehu geology department, federal university of technology, minna, nigeria abstract geochemical studies have been carried out on coal samples from okaba odagbo in the anambra. The states theme is light of the nation, formerly known as the home for all. Foraminiferal and palynological biostratigraphy of stratigraphic formation, port harcourtenugu expressway, anambra basin, nigeria adiela u. Onitsha, a historic port city from precolonial times, has developed as by far the largest urban area in the state. To the south of the basin, the awgu source horizons were encountered at greater depths in iji1. Anambra basin showing the extension of ajali sandstone drawn from geological map of nigeria, gsn, 1994. Agaguandekweozor concludedthatthesenonianshales in the anambra syncline have good organic matter richness. Sedimentological attributes and stratigraphic of nanka formation, anambra basin,nigeria acra 2e.
Stakeholders on water have asked the anambra imo river basin development authority to embark on the recycling or reuse of waste water to ensure rapid economic development of its catchment areas. Oil seepages have also been reported from parts of the basin. Anambra basin is one of the energyrich inland sedimentary basins in nigeria, perhaps. Ng is an academic website built in nigeria that is registered with the corporate affairs commission cac. Geochemical evaluation of okaba odagbo coal deposit, anambra basin, nigeria onoduku, usman shehu geology department, federal university of technology, minna, nigeria abstract geochemical studies have been carried out on coal samples. This study estimated hydraulic conductivity, transmissivity, and interpreted the environment of deposition of the owelli sandstone in mbanabor area of anambra basin, southeastern nigeria. The anambra basin is situated west of the lower benue trough and is often considered youngest formation of the benue trough. Sedimentology and geochemical evaluation of campano.
Pdf geology and depositional environment of campano. It was done by estimating the geographic extent of the basins petroleum system in order to create the areal extent maps. Biostratigraphy and paleoenvironment of the coniacian awgu. Outcrop information from abakaliki and anambra were used in this study to characterize the source and reservoir rocks in the two basins in order to give indications for hydrocarbon generation potential in the basins to minimize uncertainty and risk that are allied with exploration and field development of oil and gas. Ekine and others published burial history analysis and subsidence in the anambra basin, nigeria. Springer nature is making sarscov2 and covid19 research free. Pdf the study area lies within the anambra basin and it is made up of enugu shale, mamu. From the research aim, the objectives of the study are to. The sedimentary rocks comprise ancient cretaceous deltas, somewhat similar to the niger delta, with the nkporo shale, the mamu formation, the ajali sandstone and the nsukka formation as the main deposits. Anambraimo river basin development authority asked to. Anambra is rich in natural gas, crude oil, bauxite, and ceramic.
The study area is within the anambra basin of southeastern nigeria. Sedimentary facies characterization and depositional settings of the ajali sandstone, anambra basin, southeastern nigeria onuigbo en, okoro au, obiadi ii and okoyeh ei department of geological sciences, nnamdi. Pdf burial history analysis and subsidence in the anambra basin. Although the basin has not been fully covered by seismic investigations and remains undrilled, both ground and.
Play fairway evaluation of the anambra basin, southeast. Anambra basin is one of the energyrich inland sedimentary basins in nigeria. Sedimentological characteristics of ajali sandstone at okigwe. The investigated sections consist of coarsening upward sequences with thick, dark gray shale at the base, grading upward through siltstones into. These were achieved using grain size distribution analysis, and borehole lithological logs. This study was undertaken to study the hydrogeophysical properties of the geologic formations that underlie the southern anambra basin and to help in delineating sites for drilling of productive boreholes in the area. Play fairway evaluation of the anambra basin, southeast nigeria. Palynologiacal and paleoenvironmental investigation of the. Subsurface core samples obtained from enugu 25 and 31 wells within the anambra basin were utilized in this study with the aims of characterizing the organic matter as well as determining the maturity in order to deduce the hydrocarbon. Geochemical evaluation of okaba odagbo coal deposit, anambra basin, nigeria. The stratigraphic successions in the bida basin and their relationship to those in the. Anambra basin has about 6,000 m of sedimentary rocks. Petroleum potentials of the nigerian benue trough and anambra.
The study area is located in the southern part of the anambra basin and covers about 2200 km 2. Anambra basin is one of the basins in nigeria, habouring the largest deposit of subbituminous coal and lignite. Ditch cutting samples from an exploratory nzam1 well located in the northwestern part of anambra basin were subjected to lithological. Subsurface core samples obtained from enugu 25 and 31 wells within the anambra basin were utilized in this study with the aims of characterizing the organic matter as well as determining the maturity in order to deduce the hydrocarbon potential of the basin.
Sedimentology and sequence stratigraphy of the nkporo group. Diagenetic study of sandstone sediments in parts of anambra and afikpo basins, southeastern nigeria onyekuru, s. The total aeromagnetic data covering the study area was subjected to first vertical derivative, spectral depth analysis, and source parameter imaging spi. The main oil source formations of the anambra basin, southeastern nigeria. The aim of this research is to examine the sediment characteristics of the anambra basin.
Hydrocarbon generation potentials of the awgu shale, lower. Geological map of anambra basin showing sampling location. The areal extent maps were generated using the reports of the stratigraphic subsurface horizons of amansiodo1, ihandiagu1, igbariam1, alo1. Maastrichtian age has been recorded in the anambra basin. Research article use of geochemical fossils as indicators of. The niger river basin drainage system with its major tributaries. Trough, including the anambra basin, was triggered by the occurrence of. Although several works utilizing subsurface seismic data acquired within the inland anambra basin and the neighbouring onshore and offshore section of the niger delta basin have revealed the. Although several works utilizing subsurface seismic data acquired within the inland anambra basin and the neighbouring onshore and offshore section of. Olatunji palystrat limited, ibadan nigeria madukwe, henry y department of geology, ekiti. Exploratory activities carried out in the anambra basin have revealed that the basin has the potential of generating hydrocarbon.
Research article use of geochemical fossils as indicators. Biostratigraphy and paleoenvironment of the coniacian awgu formation in nzam1 well, anambra basin, southeastern nigeria. Our primary objective is to assist and guide final year students with well researched and quality project topics, project works, research guides and project materials, at a very reduced and affordable price. Aug, 20 this study is a contribution to our understanding of the hydrocarbon potentials of the nkporo shale in the anambra basin, nigeria. Depositional environments, organic richness, and petroleum. The total organic carbon toc and soluble organic matter som are in the range of 1. Anambra basin, enugu shale, rockeval pyrolysis, total organic carbon, source rock, thermal maturation introduction the anambra basin figure 1 which is a cretaceous basin is located in the southern part of the regionally extensive northeastsouthwest trending. Pdf petroleum potentials of the nigerian benue trough.
Use of geochemical fossils as indicators of thermal. This study is a contribution to the understanding of the play fairway in the anambra basin. Geological society of india all rights reserved powered by informatics publishing limited free hits. Delineation of factors that control hydrocarbon source. It extends northwestward into the niger valley, northward to the jos massif and northeastward into lafia. U2 1department of petroleum engineering, nigerian agip oil company, port harcourt department of geology, university of port harcourt, port harcourt, nigeria abstract. Eocene lithic fills in the anambra basin and afikpo syncline is. It also publishes academic books and conference proceedings.
Among the highlighted source rocks in anambra basin, imo shale has received little attention despite fact that the stratigraphy of the southern sedimentary basins showed strong. Nigeria is underlain by seven major sedimenta ry basins, viz. This study aimed at determining the geology and depositional environmental of these formations through field relationship and grain size distribution morphologic studies. The tectonic, stratigraphic and organic geochemical evaluations of these basins suggest the similarity with the contiguous basins of chad and niger republics and sudan, where commercial oil discovery have been. Analysis equally showed that the coal has low free swelling index fsi of 0. The marginalshallow marine nkporo group is the basal lithostratigraphic unit of the late campanianmaastrichtian successions of the anambra basin, nigeria fig. Aspects of hydrocarbon potential of the tertiary imo shale. The basin is bounded to the south by the niger delta basin hinge line. Us environmental protection agency 1978 process design manual. Anambra basin, enugu shale, rockeval pyrolysis, total organic carbon, source rock, thermal maturation introduction the anambra basin figure 1 which is a cretaceous basin is located in the southern part of the regionally extensive northeastsouthwest trending benue trough. A study of hydrocarbon generation and expulsion of the nkporo. P4and itiowe k5 1,5department of geology, university of port harcourt, port harcourt, nigeria 2 dept.
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