Late miocene to early pliocene palynostratigraphy and. Abam institute of geosciences and space technology, rivers stale university of science and technology, pmb 5080, port harcourt, nigeria email. The niger delta is africas most important oilproducing region, and one of the most polluted places on earth. The area is characterized by a mosaic of floodplain deposits and.
There are considerable groundwater and surface water resources available 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. Clay minerals in recent sediments of the niger delta 223 diffraction patterns, one obtained from a sample deposited in shallow water near the shore and the other from a sample derived from a much deper part of the delta, about 60 miles from the shore, also shows how the peakarea percentage is obtained. Structural and seismic facies interpretation of fabi field, onshore niger delta, nigeria. Petrophysical evaluation of uzek well using well log and. The first began with a marine incursion in the middle cretaceous and was terminated by a mild folding phase in santonian time. The study area is located within the niger delta, nigeria. Petroleum geology of the niger delta is described in evamy et al. The study area is located onshore of the niger delta nigeria, it covers an area of 40,000 km2. Petroleum geology of the niger delta geological society, london. The current conflict in the niger delta first arose in the early 1990s over tensions between foreign oil corporations and a number of the niger delta s minority ethnic groups who feel they are being exploited, particularly the ogoni and the ijaw. Stratigraphy and sedimentology of the niger delta in.
Niger delta akataagbada petroleum system of9950h, chapter a. Delta construction proceeded in discrete minibasins ranging in tectonic configuration from extensional, through translational to compressional toethrust regions. This research aims to investigate the causes and impacts of oil spill in the niger delta region of nigeria and to identify the suitable management systems for the control of oil spillage so as to reduce oil spills in the niger delta region of nigeria 1. Niger delta province, nigeria, cameroon, and equatorial guinea, africa by michele l. Stratigraphy and sedimentology of the niger delta 7 during the middlelate eocene, sediment was deposited fig. Rationale for a human development approach to the niger delta. 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. Abstract in the niger delta province, we have identified one petroleum systemthe tertiary niger delta akataagbada petroleum system. The hydrocarbon reservoirs in this study were found to be in the agbada formation, which is in conformity with the geology of the niger delta, nigeria. Nigeria is the largest oil producer in africa and the eleventh largest producer of crude oil in the world. 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. Oil exploration, security challenges, niger delta, environmental problems, and oil spillages. Pdf the niger delta, an area of roughly 30000km 2, is.
Pdf assessment of hydrocarbon potential in owem field in niger. The onshore portion of the niger delta province is delineated by the geology of southern nigeria and southwestern cameroon. The researcher found that the bulk of the hydrocarbon encountered in the niger delta basin was found to be within a depth range of 5,473,381 ft 1,668. In the early paleocene, a major marine transgression across most of southern nigeria led to the deposition of marine shales that formed the prodelta on which the. Reservoir description and characterization of eni field. Introduction akwa ibom state is one of the thirtysix states that makeup nigeria and one of the nine oil and gas producing states of the niger delta region in. Structural and seismic facies interpretation of fabi field, onshore niger delta, nigeria kehinde oluwatoyin olowoyo dissertation. 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. Assessing wetland services in the niger delta, nigeria. Reservoir description and characterization of eni field offshore niger delta, southern nigeria.
Major causes of militancy in niger delta research cyber. 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. Nigerian mining and geosciences society nmgs printed in nigeria. Geography geology, relief, drainage and ecological zones climate the people. Violence link in the niger delta abstract this paper studies the oil.
Kimenyi is a senior fellow and director of the africa growth initiative agi at the brookings institution. 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. 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. The subsurface geology of delta state which is part of the niger delta basin is depicted in figure 1. Militancy in niger delta nigeria is resulted from the consciousness of exploitation being perpetrated by the nigerian state against the indigenous people, and the struggle to change the status quo. The niger delta is one of the worlds largest tertiary delta systems and an extremely. Formation evaluation of an onshore oil field, niger delta nigeria. Geology department ahmadu bello university zaria, nigeria e. It is one of the largest regressive deltas in the world with an area onshore and offshore of 300,000 km 2 kulke, 1995.
Reservoir characterization in o field in the niger delta. This basin is very complex, and it carries high economic value as it contains a very. Analysis of communitydriven development in nigeria s niger delta region iii mwangi s. The delta field is located offshore from nigeria on oil mining leases oml 49 and 95. The geology of niger delta the tertiary niger delta basin located in southern nigeria at the inland margin of the gulf of guinea is situated at the southernmost extremity of the elongated intracontinental benue trough. Within the delta the river breaks up into an read more. 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. Health risks associated with oil pollution in the niger delta.
It is typically considered to be located within nine coastal southern nigerian states, which include. Tertiary niger delta akataagbada petroleum system no. Department of physics, university of port harcourt, nigeria. The oil producing states in nigeria all in the niger delta account for 90% of oil revenues yet they receive only 19% of the statutory revenues from the federal government derived form petroleum sales. Niger delta by 1 while 3 reported a geothermal gradient range of 1. Pdf an overview of the geology and hydrogeology of nigeria. Phd dissertation sustainable environmental management in the niger delta region of nigeria. The majority of the people in the delta live on the. Resistivity, sonic, caliper and density were used to. Niger delta geographical region, africa britannica. The niger delta region in the light of the theory of.
In contrast, the distribution of field sizes in the niger delta is uniform. Pdf evaluation of reservoirs petrophysical parameters. Nigerias niger delta is characterized by high biological 46,420 diversity, abundant natural resources, and extreme poverty. The second included the growth of a proto niger delta during the late cretaceous and ended in a major paleocene marine transgression. Pdf an overview of the geology and hydrogeology of. The devastating effects of environmental degradation a case study of the niger delta region of nigeria fig working week 2009 surveyors key role in accelerated development eilat, israel, 38 may, 2009 214 the devastating effects of environmental degradation a case study of the niger delta region of nigeria angela kesiena etuonovbe, nigeria 1. Despite these resources, the region is marked by deprivation and underdevelopment. 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. Nigeria, in addition to being the worlds most populated african country, is also the largest producer of oil and gas in africa.
The paradox of underdevelopment in a resourcerich region has played a role in increasing violence and instability in the niger delta, particularly since the late 1990s. It is situated between latitudes 3 and 6 n and longitudes 5 and 8. An estimate of oil window in nigeria niger delta basin from. Structural interpretation of seismic data from an xy field. Phd dissertation sustainable environmental management. Maps showing the geological setting of the niger delta in a section 8. Niger delta is the youngest sedimentary basin within the benue trough system. The geology of nigeria, as detailed in kogbe, is made up of three main rock. Odeyemi intermediate rocks from older granite complexes. The niger delta underlies an area of about 256,000 km 2, and was initially built over an older transgressive paleocene prodelta. Analysis of oil samples from the niger delta nigeria revealed a range of structurally related hopanes, including 25norhopanes, and hopanoic and 25norhopanoic acids. Petroleum geology of the niger delta semantic scholar.
Its development began after the eocene tectonic phase. Republic of nigeria niger delta social and conflict analysis. Niger delta nigeria s former chief of army staff, gen. The northeastern boundary is defined by outcrops of the cretaceous on the abakaliki high and. Petrophysical analysis was performed in two wells in the niger delta region, nigeria. The ecological crisis in the delta is coupled with a deepening politicaleconomic crisis. The niger delta is a wavedominated delta located on the continental margin of the gulf of guinea that formed in the paleogene. This is located within the niger delta basin and sits in 12 feet of water. The niger delta, which stretches for nearly 150 miles 240 km from north to south and spreads along the coast for about 200 miles 320 km, extends over an area of 14,000 square miles 36,000 square km.
The modern niger delta exemplifies a type of delta in which sand as well as mud is supplied to a receiving water body of high energy. The niger delta is one of the worlds 10 most important wetland and coastal marine ecosystems and is home to some 31 million people. The depositional environments, and corresponding sedimentary facies, are distributed concentrically within the deltaic region. The extensional domain, inner fold and thrust belt and the outer fold and thrust belt are all shown. Little work has been done in this section to ascertain its geology. Pdf the niger delta, an area of roughly 30000km 2, is experiencing. The nigerdelta 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. Regional psdm seismic line ng24500 across the main provinces of the niger delta. Abstract the study of geotechnical index properties of soils in warri, delta state was carried out to determine. Rahaman preliminary report on the field relationships of the basement complex rocks around igarra, midwest i. Oil exploration and poverty in the niger delta region of.
Environmental impacts of oil exploration and exploitation in the niger delta of nigeria. Deltaic sedimentary environments in the niger delta, nigeria. It has had disastrous impacts on the environment in the region and has adversely. Formation evaluation of an onshore oil field, niger delta. The third cycle, from eocene to recent, marked the continuous growth of the main niger delta. An estimate of oil window in nigeria niger delta basin.
The formation evaluation of an onshore oil field has been carried out. The basin is deformed by large synsedimentaty faults, roll. Clays from the recent delta have similar mineralogical compositions. This paper attempts to determine whether there is a genuine misfit at this point or whether the delta may have grown beyond the continental margin after the continents separated. Jacobbergerh accepted 28 january 1986 remote sensing and field mapping formed the basis for a morphological study of the upper inland niger delta, centered on the region surrounding jenne and mopti, mali. Estimation of reservoir potentials of two wells in niger. Ladi jadesimi is a chartered accountant, with over 15 years of practice and took. The first began with a marine incursion in the middle cretaceous and. The niger delta province nigeria cristiano ascolani, philipp mesters, jeanmarc soldner petroleum geology i ss 2014 fig. Nov, 2015 the niger delta province petroleum system 1. Nigerias niger delta is endowed with vast reserves of oil and natural gas. Mar 27, 2017 the delicate nature and abundant endowment of the niger delta mangrove swamp and freshwater ecosystem contrasts against the background of wanton pollution and degradation of the freshwater ecosystem in the region by a variety of sources ranging from oil spills, dredging, dumping of toxic wastes, seismic activities and waste water disposal into freshwater bodies in the region.
Oil exploration and exploitation has been ongoing for several decades in the niger delta. The study area is located within the northern depobelt of the niger delta sedimentary basin fig. Multinational corporations and environmental degradation in the niger delta region of nigeria although the bulk of crude oil which is nigeria s main source of revenue is derived from the niger delta region of the country, this region belongs to the rank of the most backward and politically marginalized in nigeria. Mineralogical studies of tertiary subsurface sediments in the niger delta have shown that smectite, kaolinite, mixed. A recently computed fit of the african and south american continents is astonishingly close, apart from an overlap of some 120 miles in the vicinity of the niger delta. For the purposes of this project, the niger delta is defined as the area of the four coastal oil producing niger delta states. The devastating effects of environmental degradation a case. Effects of hydrocarbon pollution on local economy a thesis approved by the faculty of environmental sciences and process engineering at the brandenburg university of technology cottbus in partial. For decades oil spills have been damaging the environment and devastating lives in this part of nigeria. Assessment of structurallycontrolled shallow offshore teldomi reservoirs, niger delta, nigeria inferences from 3d seismic and wireline log data.
The niger delta is located in southern nigeria in west africa. The niger delta is the delta of the niger river sitting directly on the gulf of guinea on the atlantic ocean in nigeria. Jul 30, 2007 the size and distribution of niger delta fields is remarkable. Niger delta province, nigeria, cameroon, and equatorial guinea, africa. Niger delta depositional patterns are complicated by structural. In most other oil provinces, there is a noticeable skewness in the distribution of field sizes, e. Environmental impacts of oil exploration and exploitation. Structural and seismic facies interpretation of fabi field.
The northern boundary is the benin flank an eastnortheast trending hinge line south of the west africa basement massif. Pdf engineering geology of the niger delta researchgate. Tamunoene kingdom simeon abam at rivers state university of science and. Niger delta petroleum systems, nigeria request pdf. Department of physics,michael okparauniversity of agriculture umudike, nigeria. The coastal sedimentary basin of nigeria has been the scene of. Niger delta niger delta facts history of niger delta. Upon assuming office in 2007, nigerias former president umaru yaradua initiated an amnesty programme for repentant militants in the niger delta region to provide them with stipends and. Semantic scholar extracted view of petroleum geology of the niger delta by harry doust.
Prospecting and extraction of petroleum occur in over 50% of the niger delta region, resulting in a cornucopia of access roads, pipelines, wells, gas flaring, dredged spoils and flow stations that are often located near homes, schools, farms, and within communities. Sequence stratigraphy of the niger delta, delta field, offshore nigeria. In 1965, the delta 1 well was completed and the delta field opened in 1968 for production. An overview of the geology and hydrogeology of nigeria.