Petroleum potentials of the nigerian benue trough and anambra. Jan 01, 1988 the anambra basin was subdivided into a northern ankpa, and a southern onltsha, sub basin respectively, separated by the nsukka high. Specialized reproductive strategies are common features among the african clariids, notably in their production and spawning of large ova clay, 1979. Eyo and mgbenka, 1992, presence of two populations of oocytes clay, and clay 1981. Sequence stratigraphy and palynological analysis of late. It can be demonstrated from the deposttional record that the pattern of subsidence was periodic, especially from the northern areas of the basin. Tertiary niger delta akataagbada petroleum system no. This means it can be viewed across multiple devices, regardless of the underlying operating system. If we exclude wikipedia, this gives 105 anambra state versus plain anambra. Any paper will be written on time for a cheap price. The anambra basin was formed following the santonian tectonic pulse on a sub basin formed by the differential subsidence of the fault block in the southern benue trough. Subsurface temperature prediction from multilayer solution. Investigation of sediment migration from the abakaliki.
Niger delta akataagbada petroleum system of9950h, chapter a. Biostratigraphy and palaeoenvironment of deposition of. The sediments of anambra basin include the albiansediments which comprise of asu river group. Sedimentology and sequence stratigraphy of the nkporo. It was a deltaic complex filled with a lithostratigraphic unit akin to those of the cenozoic niger delta reijers, 1996. The niger delta basin was formed in the early tertiary. These sediments contain alternating shales and siltstones with occurrences of sandstone. Sequence stratigraphy of amansiodo1 well, anambra basin.
Subsidence was greatest in the southern onltsha subbasin. Adobe systems is a software manufacturer that has created many document and multimedia editing programs. Asu river group is the oldest stratigraphic unit in anambra basin. Reacting to the allegation, chukwudi achife, the chief press secretary to enugu state governor, sullivan chime, described the statement as careless, unguarded and unbecoming of a chief law officer of a state.
Here, you can get quality custom essays, as well as a dissertation, a research paper, or term papers for sale. The anambra basin fig 1 is a cretaceous basin with a total sediment thickness of about 9km, presents an ideal georeactor for all manner of complex chemical reactions that can lead to the. The managementoriented background for harnessing aquatic physicochemical parameters influencing macro invertebrate fauna of anambra river basin for sustainable fish productivity was studied. Adobe designed the portable document format, or pdf, to be a document platform viewable on virtually any modern operating system. It extends northwestward into the niger valley, northward to the jos massif and northeastward into lafia. The anambra basin, which is a post santonian synclinal sedimentary structure located southern benue trough, contains over 5,000m thick of upper cretaceous to. This study evaluated sediments exposured in the southern part of the basin, covering alayi, uturu, okigwe, ohafia, ihube, leru, lekwesi, ubahaumuchima and umulolo. Each cycle contains the welldefined threepart vertical succession of facies that. North slope petroprofiling wolfcamp systems nano study permian basin sweet spots sw texas gas diffusion. Afuba had on friday accused enugu and kogi states of being mischievous by laying claim to the oil wells in anambra basin. The anambra basin is a cretaceous basin having almost a roughly triangular shape figure 1 with a total. By michelle rae uy 24 january 2020 knowing how to combine pdf files isnt reserved. 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 made. The deposits are characterized by a series of mega units referred to as depobelts which strike nwse and subparallel to the present day shoreline.
Pdf an electrical resistivity investigation has been carried out in thirteen communities within the anambra basin in order to determine the depth to. Several workers have studied the anambra basin and niger delta in terms of sedimentology. Shale from basal campanian strata of the anambra basin has been characterised by petrological and geochemical techniques. Geological map of the anambra basin adapted from the geological survey of nigeria, 1974. Najime department of geology, ahmadu bello university, zaria nigeria abstract a sequence stratigraphic analysis was carried out on ditch cutting samples from amansiodo1 well, anambra basin nigeria. Since heat transfer mechanisms affect diagenetic processes, and petroleum maturation and migration, the implications of the results for petroleum exploration in the basin are discussed. The paint program can help you make new image files, but it cannot open document or pdf file. Geochemical and geophysical investigations of kaolin deposits.
Pdf is a hugely popular format for documents simply because it is independent of the hardware or application used to create that file. The shale unit in the mamu formation is the major source rock. The anambra basin is located in the southeastern part of nigeria. Aspects of the reproductive biology of clarias gariepinus. Maastrichtian marine and paralic shales of the enugu. To achieve this, the authority hereby invites technical and financial bids from interested, qualified and competent companiesfirms. The anambra basin, which covers about 2200 km 2, is geographically situated at the borderline intersection between the bida and niger delta basins of southern nigeria odunze et al. Anambra basin is one of the energyrich inland sedimentary basins in nigeria. The only report from the anambra river basin is on the small clarias c. Aspects of the biology of clarias gariepinus in anambra.
Geochemistry of maastrichtian clastic sedimentary rocks from. It was a deltaic complex filled with a lithostratigraphic unit a kin to those of the cenozoic niger delta reijers, 1996. The study area lies within the anambra basin and it is made up of enugu shale, mamu formation, ajali sandstone, and nsukka formation. Dispersal patterns of the late cretaceous to early. The basin is bounded to the north by bida basin and northern nigeriamassif, to the east by benue trough, to the west by west african massif, and to the south by niger delta complex fig 2. Enrichment and depletion of biogenic indicators cao ef1. Our main objective is to locate the zones of very high quality plays within the basin, focusing on their depositional environments whether marine or nonmarine, areal extent of the target shale formations, gross shale. Anambra is bounded by the delta and edo states to the west, imo and abia states to the. Pdf hydrogeophysical assessment of some parts of anambra. The oldest or basal formation of the anambra basin is the campanomaastrichtian agwu shales which is. The anambra basin is situated west of the lower benue trough and is often considered youngest formation of the benue trough. Anambra basin was then filled with transgressiveregressive cycles between, in the tertiary.
The anambra basin is one of the energyrich inland sedimentary basins in nigeria. Sedimentation in the anambra basin thuscommencedwiththecampanianmaastrichtianmarine and paralic shales of the enugu and nkporo formations, overlaid by the coal measures of the mamu formation. Anambra anambra state this page was moved without discussion by user. Jamie tubers on 25 september 2015 from the normal name, anambra state. Hydrocarbon generative potential of campanian source rock.
Pdf lithostratigraphy of the maastrictian nsukka formation in the. This sedimentary phase was initiated by the santonian folding and uplift of the abakaliki anticlinorium along the ne. Lithofacies and biostratigraphic data show that the nkporo group in the anambra basin contains three main facies associations fluviodeltaic facies, estuarine central basin shallow shelf facies and estuarine channel fill facies that determine the reservoir containers. Prospects and challenges of developing unconventional. Parasitological investigation of bagrid fishes in anambra river basin in anambra state, nigeria was carried out for two months between the month of april and may, 2015. Oil generation capacity of maastrichtian coals from the anambra.
This article explains what pdfs are, how to open one, all the different ways. Paleoecology of enugu and mamu formations in anambra basin. From the campanian through the paleocene, the shoreline was concave into the anambra basin hospers, 1965 see fig. With a 2012 projected population of 4,984,127, anambra has one of the highest population densities in africa. During the santonian age, around 84 million years ago, the basin underwent intense compression and folding, forming over 100 anticlines and synclines. In exposed cretaceous deposits on a northwestsoutheast section from enugu to abakaliki, mean random vitrinite reflectance r o m in oil ranges from 0. Geochemical evaluation of okaba odagbo coal deposit. Although several works have proved the existence of oil and gas in the campanian to maastrichtian strata of the anambra basin, it is still considered a frontier basin due to the c. The anambra basin is arbitrarily placed between longi tudes 6. Sedimentation in the anambra basin began in the campanian with a short marine transgression depositing the units of the nkporo group. Given the topography of the entire west bank of anambra river basin, which presently consists of anambra west lga and aguleriotu in anambra east lga, the lands were acquired by the government to establish the anambra forest reserve in 1931. Pdf file or convert a pdf file to docx, jpg, or other file format.
How to shrink a pdf file that is too large techwalla. The stratigraphies of the anambra basin ranges in age from late cretaceous to eocene fig. Petroleum exploration in the anambra basin was triggered by the occurrence of surface seeps and dates back to the early. This author studied the depositional model of the outcrops along iseleazagbaonitshaakwa areas of the northern niger delta and anambra basins. Anambra basin is located at the southern part of nigeria and it is sandwiched at the midpoint of the intersection of bida basin and niger delta stratigraphically, anambra basin is filled with campanianeocene sediments which are deposited in a. Consequent upon this government action, an agreement dated 28th april 1931, made in that behalf, and in. Most of the exposures of the lithofacies comprising the anambra sedimentary basin fill are exposed on the eastfacing scarp of the cuesta. Paleogeography, sedimentation and tectonics of the upper. Dispersal patterns of the late cretaceous to earlytertiary. Geochemical and geophysical investigations of kaolin. Table 1 shows the stratigraphic succession of the cretaceous and tertiary basins of southern nigerian with the anambra basin sandwiched between the abakaliki. Petroleum exploration in the anambra basin was triggered by the. The anambra basin fill contains four thirdorder sedimentary cycles that document pulses of basin subsidence.
Pdf sedimentology and sequence stratigraphy of the nkporo. The aims of this study were to assess the quality of its organic matter, evaluate its thermal evolution and highlight its potential as a source rock. Open file report 9950h 1999 contents forward by the u. It is bounded to the north by bida basin and northern nigerian massif, to the east by benue trough, to the west by west african massif, and to the south by niger delta 14.
Ditch cutting samples from an exploratory nzam1 well located in the northwestern part of anambra basin were subjected to lithological description and palynomorph enrichment and analysis through digestion with hydrofluoric acid hf and floatation with zinc bromide zn 2 br 4. The deposits in the benue trough were displaced westwards at this time, causing subsidence of the anambra basin. Anambra basin is located in the southeastern part of nigeria. Searching for a specific type of document on the internet is sometimes like looking for a needle in a haystack. Source rock, organic matter, anambra basin, biomarker and oil seep. Comprehensive history of the disputed anambra oil basin.
A total of 102 bagrid fishes belonging to 4 genera and 7 species were subjected to parasitological investigation, only 32 fishes were infected with a parasitic prevalence of 31. In nigeria, state names are almost invariably given as xyz state. Chemical examination of the maturity indexes indicate that the anambra basin sediments were more. The anambra basin is a cretaceoustertiary basin, which is the structural link between the cretaceous benue trough and the tertiary niger delta basin lucas and ishiekwene, 2010. Lithofacies, palynology and paleoenvironmental study of. You can use the tools in paint to add something to a different document. An oversized pdf file can be hard to send through email and may not upload onto certain file managers. Pdf petroleum potentials of the nigerian benue trough and. Pdf petroleum potentials of the nigerian benue trough. The tectonic, stratigraphic and organic geochemical evaluations of these basins suggest the. Geochemical effects of petroleum generation potential from.
A pdf file is a portable document format file, developed by adobe systems. The river is the most important feeder of the river niger below lokoja. Controversy surrounding the stratigraphy of the anambra basin, depositional environments and conditions, and age of geologic formations. Abubakar tafawa balewa university, bauchi, unpublished ph. Making a pdf file of a logo is surprisingly easy and is essential for most web designers. Sequence stratigraphy of amansiodo1 well, anambra basin, southeast, nigeria 1m. The thickness of the basin ranges from 4500 m ladipo et al. Several workers have studied the anambra basin and niger delta in terms of sedimentology, stratigraphy and sequence stratigraphic concepts nwajide and reijers 1996. The anambra imo river basin development authority, a parastatal under the federal ministry of water resources wishes to notify the general public of her intended procurement under its 2017 appropriation act. Pdf source rock assessment and hydrocarbon prospects of. To give a concise geological description of the outcrops. This is a pdf file of an unedited manuscript that has been.
Hydrocarbon generation indications from source rock to. To combine pdf files into a single pdf document is easier than it looks. Anambra river1, ihadagu1 and very scanty 2d seismic information, anambra basin is under explored. The basin is bounded to the south by the niger delta basin hinge line. Flocculation process design design a vertical turbine flocculation basin for the wtp. Petroleum potentials of the nigerian benue trough and. The result of the geochemical analysis of shale samples from the anambra basin shows that the toc values are. This sedimentary phase was initiated by the santonian folding and uplift of the abakaliki anticlinorium along the nesw axis, and the consequent dislocation of the. Anambra basin exists within the benue rift structure located in the west african rift system fairhead and okereke, 1987. With less than 50 wells so far drilled two discoveries. Evidence from field relationship and sedimentological study adeigbe, o. Source rock potential and thermal maturity of the eocene. A pdf portable document format is a widely popular type of document format created by adobe.
The pdf format allows you to create documents in countless applications and share them with others for viewing. Ten 10 representatives outcrop samples collected from two stratigraphic sections in the study area were analyzed chemically using inductively. The anambra basin is a larger intracontinental basin that forms an arm of the lower benue trough obaje et al. The main oil source formations of the anambra basin. Research article estimating the thickness of sedimentation.
The indigenous company struck oil in the anambra river basin. Some aspects of the reproductive biology, in the big clarias have been studied elsewhere by nawar and yoakim 1962, clay and clay 1981, and janssen 1985. Geological and structural interpretation of possible mineralization zones of part of anambra basin and southern benue trough using airborne geophysical data. Palynofacies studies of sedimentary succession in ogbabu1. Luckily, there are lots of free and paid tools that can compress a pdf file in just a few easy steps. Anambra basin was formed following the santonian tectonic pulse on a sub basin formed by the differential subsidence of the fault block in the southern benue trough. The sequence includes lower maastrichtian subbituminous coals in the anambra basin. Once youve done it, youll be able to easily send the logos you create to clients, make them available for download, or attach them to emails in a fo. Flocculation is to be designed with 2 trains and each train is to be made of 2 stages in series.
It is overlainby the ezeakuformation, which constitutes the turonian deposits. Niger basin authority shortlisted candidates 2020 download. This paper presents the results of our preliminary assessment of the shale oil and gas resources of the anambra basin. Genik, 1992 and is the centre piece of most earth science studies in nigeria because it is a hydrocarbon province okeke, 2014. Eyo and mgbenka, 1992 and absence of parental care which is reflected in their high. The intra seasonal variability in the water quality of the.
141 807 137 620 199 15 1617 492 854 26 585 497 969 973 706 87 746 947 1385 1407 1045