Stratigraphic column showing the three formations of the niger delta. Burial history and maturity levels of the eocene source rocks in the northern delta depobelt have not been extensively discussed. The study area is located within the northern depobelt of the niger delta sedimentary basin fig. Geologic map of the niger delta basin and the benue trough, and the oil fields in the region. Hydrocarbon geology and reservoir formation characteristics of. The niger delta fold and thrust belts occupy the outboard toe of the delta in figure 1. Sequence stratigraphy of the niger delta, delta field, offshore nigeria. Engineering geology of the niger delta 67 sediments originating from the vast catchment area and geologic ally com plex hinterland fig.
The niger delta is a major hydrocarbon producing basin in nigeria where intensive exploration and exploitation activities have been on since early 1960s owing to the discovery of commercial oil in oloibiri1 well in 1956 reijers et al. Tectonic setting of the niger delta course manual and. Mar, 2015 detailed studies on depositional sequence, genetic facies, and depositional environment were done using sequence stratigraphic tool in the paralic sequence of middle to late miocene age in the coastal swamp depobelt of the niger delta basin. Sequence stratigraphy and depositional environments of middle. Integrated reservoir quality study of deepwater clastic deposits, offshore western niger delta, nigeria c. Stratigraphy and sedimentology of the niger delta geologos. Thermal maturity evaluation and prediction of petroleum generation.
The niger delta, as an actively producing oil and gas region has potential to develop into a new co 2 geological storage hub. Predicting soil corrosivity along a pipeline route in the. For more information on the usgsthe federal source for science about the earth, its natural and. The niger delta petroleum system usgs publications repository. Reservoir description and characterization of eni field.
Shawa, andreas plescha, gbenga lufadejub astructural geology and earth resources group, harvard university, 20 oxford street, cambridge, ma 028, usa b department of petroleum resources, ministry of oil, nigeria article info article history. Subsidence of the african continental margin and cooling of the newly. Nwajide introduction the niger delta basin occupies the gulf of guinea continental margin in equatorial west africa, between lats. Assessment of undiscovered petroleum in the tertiary niger delta akataagbada petroleum system no.
Niger delta is the youngest sedimentary basin within the benue trough system. See below for the abstract, table of contents, list of figures, list of tables, list of appendices, list of abbreviations and chapter one. Sedimentary architecture models of deepwater turbidite. The delta field is located offshore from nigeria on oil mining leases oml 49 and 95. The coastal sedimentary basin of nigeria has been the scene of. The niger delta is situated on the gulf of guinea on the west coast of central africa figure 1. The niger delta basin, also referred to as the niger delta province, is an extensional rift basin. Geotechnical attributes of niger delta soils, warri environs, nigeria oghonyon rorome1, adeniran adedoyin a2 3and opaimi iniala 1,2,3department of geology, university of port harcourt, port harcourt, nigeria. The niger delta is the delta of the niger river sitting directly on the gulf of guinea on the atlantic ocean in nigeria. The niger delta sedimentary basin of nigeria contains more than 12km of. The niger delta is framed on the northwest by a subsurface continuation of the west african shield, the benin flank. Nigeria is underlain by seven major sedimenta ry basins, viz.
Petrophysical evaluation of reservoir sand bodies is the continuing process of. An estimate of oil window in nigeria niger delta basin from. The area consists of some parallel low and high anticlines and synclinal structures that show outcrop. Department of geology of the anambra state university uli, for their concern, prayers. Stratigraphic section of the anambra basin from the late cretaceous through the. The niger delta basin, also referred to as the niger delta province, is an extensional rift basin located in the niger delta and the gulf of guinea on the passive continental margin near the western coast of nigeria with suspected or proven access to cameroon, equatorial guinea and sao tome and principe. The niger delta basin lithic fill is considered to be selfcontained in terms of its structural geology, since the ns and nwse trends of the underlying basement have not controlled the arcuate, shorelineparallel depobelt configuration dominating the delta tectonics. Major minerals metallic minerals tin, columbite, tantalite, leadzinc. Geology and mineral resources of the lower benue trough, nigeria. Outcrops of volcanic and sedimentary rocks in the selden canyon and rincon hills and ancient rio grande beds in the jornada del muerto basin will also be examined. Deepwater niger delta fold authors and thrust belt. The bida basin, also known as the mid niger or nupe basin, is located in westcentral nigeria figure. The basin is deformed by large synsedimentaty faults, roll.
A position of nigeria in africa and niger delta basin. Tertiary niger delta akataagbada petroleum system no. The bida basin, also known as the midniger or nupe basin, is located in westcentral nigeria figure. Doc geology of nigeria vincent kalu and stanless pee. Stratigraphy and sedimentology of the niger delta 7 during the middlelate eocene, sediment was deposited fig. Geological section through the sedimentary layers of the niger deltas mouth 9.
Map of the offshore niger delta showing the location of regional transects 110 used in this study, bathymetry, and major offshore structural provinces modified from connors et al. The niger delta basin occupies the gulf of guinea continental margin in equatorial west africa between latitudes 3 0 and 60n and longitudes 5 and 80e. Kurowska university of silesia department of fundamental geology sosnowiec poland abstract niger delta sedimentary basin is a large arcuate delta of the destructive dominated wave type that has been explored for oil and gas and exploited since 1958. If the inline pdf is not rendering correctly, you can download the pdf file here. Outcropping units of the niger delta include the imo formation and the ameki. Much palynological work has been done in this basin but there is little. Niger delta province, nigeria, cameroon, and equatorial guinea, africa. Predicting petroleum generation is a critical issue in prospect evaluation for the deeper prospects because of its economic implications. The niger delta basin developed in the early cretaceous and is a passive continental margin basin whose evolution can be divided into rifting and drifting phases. The coastal sedimentary basin of nigeria has been the scene of three depositional cycles. Abstract the study of geotechnical index properties of soils in warri, delta state was carried out to determine. Static reservoir modeling using well log and 3d seismic. This was aimed at increasing the resolution for prediction of reservoir, seal, and source rocks in the eastern part of the basin. Diagrammatic representation of the stratigraphic evolution of the niger delta.
The second included the growth of a proto niger delta during the late cretaceous and ended in a major paleocene marine transgression. Niger delta province, nigeria, cameroon, and equatorial guinea, africa by michele l. Niger delta akataagbada petroleum system of9950h, chapter a. Structural interpretation of seismic data from an xy field. Petrophysical characteristics and reservoir quality of the. Regional geologic setting the niger delta basin is situated in the gulf of guinea in equatorial west africa, between latitudes 30n and 60n and longitudes 50e and 80e reijers et al, 1996 fig. The benue trough had been formed as part of the widely distributed african rift population which originated some 140 million years ago burke, 1996. The azu rivers group, the eze aku group and the post santonian proto niger delta successions odigi, 2007. The niger delta forms one of the worlds major hydrocarbon provinces and it is situated on the gulf of guinea on the west coast of africa southern part of nigeria. In the afikpo basin fig 1, three main cretaceous lithostraphic units have been recognized, namely. In the niger delta basin, quaternary age sediments underlying the delta plain consist. The study area is located onshore of the niger delta nigeria, it covers an area of 40,000 km2. More than 50 complexes occur in nigeria obaje, 2009.
The first began with a marine incursion in the middle cretaceous and was terminated by a mild folding phase in santonian time. Sedimentary basins the cretaceous to recent basins in nigeria include. Niger delta is a prolific hydrocarbon belt in the world. The delta began to form as sediments that shed from the niger river gradually filled the benue trough during the opening of the equatorial atlantic, and, by the late eocene, the delta had begun to prograde on top of the continental margin. Patterns of incidence of oil reserves in niger delta basin. Rivers state to oben edo state in the niger delta basin, nigeria. During the cenozoic, until the middle miocene, the niger delta grew through pulses of sedimentation over an oceanwarddipping continental basement into the gulf of guinea. The human development situation in the niger delta 35 poverty in the niger delta 35 the revenue base of human development 37 governance and poverty 38 the challenges of attaining the mdgs 42 assessing progress 42 the human development indices 50 the hdi for the niger delta region 53. An overview of the geology and hydrogeology of nigeria. Map of the geology, oil and gas field, and geologic provinces of africa, u. Maps showing the geological setting of the niger delta in a section 8.
In 1965, the delta 1 well was completed and the delta field opened in 1968 for production. The niger delta basin the cenozoic niger delta is situated at the intersection of the benue trough and the south atlantic ocean where a triple junction developed during the separation of the continents of south america and africa in the late jurassic whiteman, 1982. Geological section through the sedimentary layers of the niger delta s mouth 9. This is located within the niger delta basin and sits in 12 feet of water. An estimate of oil window in nigeria niger delta basin. Development of this basin is attributed to the collapse of gondwanaland and the splitting of the south and equatorial atlantic karner et al, 1997. The niger delta system figure 1 is one of the worlds largest tertiary deltas and one of its most prolific hydrocarbon systems, containing an estimated 68 bboe and producing approximately 3 mmboe per day. Oct 15, 2016 the northern delta depobelt is a significant petroleum province in the niger delta basin. Sedimentary succes sions in these basins are of middle mesozoic to recent age. It is typically considered to be located within nine coastal southern nigerian states, which include. Kurowska university of silesia department of fundamental geology sosnowiec poland abstract niger delta sedimentary basin is a large arcuate delta of the destructive. Department of geology of the anambra state university uli, for their concern, prayers, encouragement and understanding.
Geology and mineral resources of the lower benue trough. Depobelt and structural play map of the niger delta basin showing the study area. As a step towards understanding this geohistory, this study examines the stratigraphy and sedimentary structures of the umunya section of the eocene nanka formation, a component of the ameki group of the niger delta basin. From the east edge of the niger delta south to the walvis. Delta is the interbedded shale within the agbada formation duncan.
Its development began after the eocene tectonic phase. Nov, 2015 7the niger delta province petroleum geology i ss 2014 facies distribution of the niger delta fig. This thesis follows the style and format of the aapg bulletin. Criteria for screening basins for carbon capture and storage ccs was used in combination with 3d seismic data and well information to assess the basin. Petrophysical evaluation of reservoir sand bodies, onshore field, eastern niger delta, nigeria okumokod. The fundamental causative event for the origin of the niger delta basin was the breakup of the gondwana supercontinent. The formation of niger delta basin was initiated in the early tertiary time. The niger delta is situated on the gulf of guinea on the west coast of central africa. The tripartite stratigraphy of the niger delta basin consists of the akata, the agbada, and the benin formations. The niger delta basin, also referred to as the niger delta province, is an extensional rift basin located in the niger delta and the gulf of guinea on the passive continental margin near the western coast of nigeria 1 with suspected or proven. The iullemeden basin, also known as the sokoto basin spans mali, western niger, northwest nigeria and northern benin and began accumulating sediments in the jurassic, followed by the maastrichtian rima group, which records a brackish environment. Geology department ahmadu bello university zaria, nigeria e. Abstract in the niger delta province, we have identified one petroleum systemthe tertiary niger delta akataagbada petroleum system. Download the complete project topic and material chapter 15 titled determination of the sedimentological and geochemical characteristics of the sediment in the niger delta basin here on iprojecttopics.
The inda field is located around the eastern part of the niger delta figure 1. During the tertiary it built out into the atlantic ocean at the mouth of the niger benue river system, an area of catchment that encompasses more than a million square kilometers of predominantly savannahcovered lowlands. What links here related changes upload file special pages permanent link page. Schoeneich geology department ahmadu bello university zaria, nigeria e. Human activities with direct environmental impacts and population growth play a decisive role besides climate change. Pdf an overview of the geology and hydrogeology of nigeria. The petrophysical evaluation of reservoir quality of sand bodies is to determine how best the field will produce. Geological survey of nigeria agency has played an active role in the exploration for mineral deposits in nigeria. S1 abstract the niger delta, an area of roughly 30,000km2, is experiencing physical development challenges due to poor soil conditions, a situation which has escalated project cost and as a consequence impeded development. Department of geology, university of port harcourt, nigeria abstract. Pdf porosity modelling was carried out in two oilwells of stacked reservoirs in. An estimate of oil window in nigeria niger delta basin from recent studies j.
Reservoir characterization in o field in the niger delta. The geology of nigeria, as detailed in kogbe, is made up of three main rock. Static reservoir modeling using well log and 3d seismic data in a kn field, offshore niger delta, nigeria. Petrophysical characteristics and reservoir quality of the inda field, niger delta, nigeria ameloko anthony aduojo, oseghe emmanuel. Data on oil reserves in the niger delta basin show a bimodal lognormal distribution with the break in slope reflecting variation in exploration maturity, quality of prospect, and distribution of giant oil fields. The reservoir temperature data from arpr file had already been converted.
Lithologies of cretaceous rocks deposited in what is now the niger delta basin can only be extrapolated from the exposed. Stratigraphy and sedimentology of the niger delta in. The third cycle, from eocene to recent, marked the continuous growth of the main niger delta. The countries of the niger river basin history of the basin 2 the physical geography of the niger river basin physical environment and hydrography navigable river segments geology and hydrogeology soils natural environment climatic conditions climate and water resources variability 3 the niger river basins water resources hydrology. Summary of the geology of the study area the studied area is located in parts of the onshore zone in the niger delta sedimentary basin, nigeria fig. Request pdf hydrocarbon geology and reservoir formation characteristics of niger delta basin niger delta basin is abundant in oil and gas resources. Formation evaluation of an onshore oil field, niger delta. This basin is very complex, and it carries high economic value as it contains a very. Integrated reservoir quality study of deepwater clastic. Anambra basin, benue trough, bida, bornu, niger delta and sokoto basins. A new threefold lithostratigraphic subdivision is introduced for the niger delta subsurface, comprising an upper sandy benin formation, an intervening unit of alternating sandstone and shale named the agbada formation, and a lower shaly akata formation.
The engineers involved in the project considered that the conduit would be trenched. While the direction and magnitude of the hydrologic regime in the upper and middle niger basin remain highly uncertain, there is greater certainty. Course manual and atlas of structural styles on reflection profiles from the niger delta. N department of earth sciences, federal university of petroleum resources, effurun, nigeria abstract palynological biostratigraphic studies were carried out on ditch cutting samples obtained from wells l1 and l2.