Department of geology, university of port harcourt, nigeria abstract. From the study on hydrocarbon system analysis using basin modeling, the. Niger delta petroleum resources limited ndpr is a wholly owned subsidiary of ndep, as well as the operator of the ogbele joint venture the company is a supplier of natural gas to nigeria lng in bonny island. Traditional beliefs and conservation of natural resources. The evolution of the delta has created an almost perfect petroleum system with. The maximum extent of this petroleum system is clearly defined by the aerial extent of the oilfields and contains known reserves. Geological section through the sedimentary layers of the niger delta s mouth 9. Implications for the environment corresponding author. An amnesty offered to militants in the niger delta in 2009 was intended to end fighting, oil theft and other disruption in the region. This abstract and associated pdf document are based on the authors accepted as is manuscript. Regional integration of results from conventional exploration geochemistry, structural analysis, and gravitymagnetic data provide a comprehensive new understanding of niger delta petroleum systems. A considerable amount of new information, however, has become available since publication of those papers, including penetration of a tertiary oilprone source rock sequence in aroh2 well. A cohort of 20 exmilitants from the urhobo speaking tribe within the nigerdelta region of nigeria that were enrolled in the amnesty program was used for this study. Brownfield openfile report 9950h 1999 contents forward by the u.
A geostatistical approach was used to model porosity of oba field in onshore area of niger delta using simulation technique. Maps showing the geological setting of the niger delta in a section 8. Nov, 2015 7the niger delta province petroleum geology i ss 2014 facies distribution of the niger delta fig. Pd 41 petroleum geology of the niger delta onepetro. Niger delta petroleum systems, nigeria petroleum systems of. The niger delta province contains only one identified petroleum system. In the niger delta province, the tertiary niger delta akataagbada petroleum system has been identified. Petroleum exploration and production in the nigerias niger delta region and export of oil and gas resources by. The delta formed at the site of a rift triple junction related to the opening of the southern atlantic starting in the late jurassic and continuing into the cretaceous. The evolution of the delta has created an almost perfect petroleum system with the thick akata shale. Tertiary niger delta akataagbada petroleum system no. 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. Niger delta province, nigeria cameroon, and equatorial guinea, africa by michele l.
Petroleum geology of the niger delta abstract the niger delta is a large, arcuate delta of the destructive, wavedominated type. Geostatistical modeling of porosity data in oba field. The niger delta is blessed with abundant physical and human resources, including the majority of nigerias oil and gas deposits, good agricultural land, extensive forests, excellent fisheries, as well as welldeveloped industrial base, a strong banking system, a large labour force, and a vibrant private sector. The niger delta petroleum system usgs publications repository. Petrophysical evaluation and volumetric estimation within. Secondly to determine the possible solutions to the problem of oil. The niger delta is within latitudes 3 060 and longitudes 5 080.
In light of the foregoing, it has become necessary to undertake. Source, depositional environment and maturity levels of some. Impact of structural setting on hydrocarbon trapping. 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. Warri river field was previously producing, until an imposed shutin in 1997. Significant rise of insecurity in the niger delta through 2019. Geological section through the sedimentary layers of the niger deltas mouth 9. The resulting geological framework of the niger delta is illustrated on figure 1. Reservoir characterization in o field in the niger delta. Reservoir description and characterization of eni field offshore niger delta, southern nigeria.
The maximum extent of the tertiary niger delta akataagbada petroleum system lies within the province boundaries and the minimum extent of the system is. Petroleum exploration and production in the nigerias niger delta region and export of oil and gas resources by the petroleum sector has substantially improved the nations economy over the. The basin is deformed by large synsedimentaty faults, roll. Pressure regime and hydrodynamic study of niger delta coastal. It has a subaerial area of about 75,000 km 2, a total area of 300,000.
In light of the foregoing, it has become necessary to. 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. Petroleum occurs throughout the agbada formation in the niger delta clastic wedge. The niger delta basin, located on the western edge of the african. The devastating effects of environmental degradation a. The data analysis technique utilized in this study is content analysis of data. The petroleum system of the niger delta is referred to as the tertiary niger delta akataagbada petroleum system fig. In recent times, petroleum pipeline vandalism resulting into spillage has become a significant challenge in nigeria. The maximum extent of the tertiary niger delta akataagbada petroleum system lies within the province boundaries and the minimum extent of the system is characterised by the areal extent of. Quantitative diamondoid analysis indicates oil cosourcing from a deep petroleum system onshore niger delta basin.
Citizens are regularly inundated with reported cases of vandalism which often lead to spillage and a drastic reduction in. An estimate of oil window in nigeria niger delta basin from recent. In the niger delta province, we have identified one petroleum system the tertiary niger delta akataagbada petroleum system. Static reservoir modeling using well log and 3d seismic. The basin is located on the continental margin of the gulf of guinea, in southern part of nigeria. The evaluation of hydrocarbon trapping system in an onshore niger delta basin, nigeria was studied using well log and seismic data.
Niger delta region, more than any other part of nigeria. Pressure regime and hydrodynamic study of niger delta. Since the 1960s, transnational oil corporations operating in the niger delta have. The petroleum system from source to trap in the nile delta and north sinai offshore basins, egypt, implications of overpressure on hydrocarbon accumulations. 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. A nigerian rebel of the niger delta peoples volunteer force patrols the creeks of the niger delta near port harcourt in nigeria, around the time of the niger delta uprising, on september 28, 2004. Static reservoir modeling using well log and 3d seismic data. Expectations and the administrative systems, niger delta david ogula apollos university, huntington beach, ca, usa. The producing fields within the assets are utorogu, ughelli east, and ughelli west, with a total flowstation processing capacity of 90 mbpd. Sequence stratigraphy and depositional environments of. Source, depositional environment and maturity levels of. The onshore portion of the niger delta province is delineated by the geology of southern nigeria and southwestern cameroon fig. Following the discovery of crude oil by shell darcy petroleum, pioneer production began in 1958 from the companys oil field in oloibiri in the eastern niger delta. Niger delta province, nigeria, cameroon, and equatorial guinea, africa by michele l.
Thermal maturity evaluation and prediction of petroleum generation. The niger delta system 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. Many of the nigeriaspan lines were also acquired using a deeptowed cable and source, which also helps to improve image quality. Oml 34 is located in the western niger delta and covers an area of some 950 square kilometers. Defusing the time bomb by jean balouga introduction nigeria is the largest petroleum producer in africa and the sixth largest producer of sweet crude oil among opec member countries. According to ikporukpo, 2000, 98% of the transportation of crude oil in nigeria, take place within the niger delta region because of the numerous oil fields, flow stations and terminals, through which crude oil flows. The niger delta is one of the worlds largest tertiary delta systems and an extremely.
The sedimentary wedge of the niger delta contains a major submarine part which forms part of the complex continental margin intruding into the gulf of guinea. Those hopes havent been realized, and the fragile peace is. Nigeria is the most populated african country and its size, together with its oil and gas wealth, provides it with both political and economic clout. The rocks within the petroleum system are from paleocene to recent in age. A key to making a full evaluation of the niger delta system has been the availability of longoffset 10km, longrecord 18s twt, regional seismic data that have been prestack depth migrated.
Afr 440172009 6 research for this report this report is based on fieldwork carried out in the niger delta in march and april 2008, as well as desk research and followup research from london between may 2008 and may 2009. The basin has been identified to contain only one petroleum system, kulke. Petroleum exploration and production is gradually moving northwards from the south where the industry has been thriving for more than fifty years. It has a subaerial area of about 75,000 km 2, a total area of 300,000 km 2, and a sediment fill of 500,000 km 3. By building a regional structural and stratigraphic framework around this petroleum system in the northwestern part of the delta, a better. The tertiary petroleum system of the niger delta has most recently been discussed in papers by ekweozor and daukoru 1994 and stacher 1995. A cohort of 20 exmilitants from the urhobo speaking tribe within the nigerdelta region of nigeria that were enrolled in. A sequence of undercompacted marine clays, overlain by paralic deposits, in turn covered by continental sands, is present throughout, builtup by the imbricated super position of numerous offlap cycles. It gradually became the substance number one without which all economical activities of humans would stand still. The delta proper began developing in the eocene, accumulating sediments that now are over 10. This increases demand for suitable systems to address the issue of oil spill in the niger delta region of nigeria by the government and oil industries. Delta is the tertiary deltaic petroleum system, consisting of type ii, iiiii, and iii kerogens.
Modeling hydrocarbon generation potentials of eocene source rocks. Petroleum has been known and used by man since the dawn of historical times. Niger delta petroleum resources plc upstream nigeria oil. It covers an area of 75,000 km 2 with average thickness of about 12 km knox and omatsola, 1988. Niger delta petroleum systems, nigeria petroleum systems. Abstract in the niger delta province, we have identified one petroleum system the tertiary niger delta akataagbada petroleum system. The niger delta basin is one of the largest subaerial basins in africa. Request pdf niger delta petroleum systems, nigeria regional integration of results from conventional exploration geochemistry, structural analysis, and. Mar 20, 2018 an amnesty offered to militants in the niger delta in 2009 was intended to end fighting, oil theft and other disruption in the region. Specifically it seeks to understand the deleterious impact of oil spillage on the physical environment of the niger delta regionof nigeria. Niger delta petroleum systems, nigeria, by richard c. About 25% of total spills in niger delta between 1976 and 1999 was in. Sequence stratigraphic analysis from well logs of an x.
The niger delta nigeria province contains one identified petroleum system, named as tertiary niger delta akata agbada petroleum system. An estimate of oil window in nigeria niger delta basin. The sequence stratigraphy of niger delta, delta field, offshore nigeria a thesis by. The niger delta petroleum system usgs publications.
The delta field produces from the only identified petroleum system in the niger delta region, the tertiary niger delta akataagbada petroleum system. Reservoir description and characterization of eni field. A model of petroleum pipeline spillage detection system for use in the niger delta region of nigeria franklin ovuelelolo okorodudu 1, philip ogheneogaga okorodudu 2, ekerikevwe kennedy irikefe 3 1 lecturer, department of computer science, delta state polytechnics, otefeoghara, nigeria. This increases demand for suitable systems to address the issue of oil spill in the nigerdelta region of nigeria by the government and oil industries. In the niger delta province, we have identified one petroleum systemthe tertiary niger delta akataagbada petroleum system. Niger delta akataagbada petroleum system of9950h, chapter a. The maximum extent of this petroleum system is clearly defined by the aerial extent of. Ekweozor and okoye referred to as the tertiary niger delta akataagbada petroleum system.
This basin is very complex, and it carries high economic value as it contains a very productive petroleum system. Nov 21, 2017 tuttlemlw, charpentier rr, brownfield me 1999 the niger delta basin petroleum system. Paul bellingham, chris connors, richard haworth, barbara radovich and al danforth ion geophysical regional, deeppenetrating 2d seismic data is imaging new petroleum potential in this prolific province. Nd gas development company limited, a wholly owned subsidiary, was established to pursue investment opportunities in the gas sector. Our publiclyowned company and its subsidiaries continually strive to establish an active partnership with the host communities in which we conduct our operations. The delta formed at the site of a rift triple junction related to the opening of the southern atlantic starting in the. This was aimed at increasing the resolution for prediction of reservoir, seal, and source rocks in the eastern part. The deepwater blocks and the most important discovery well locations are. Niger delta province, nigeria, cameroon, and equatorial guinea, africa. These two forms of hydrodynamics system have been observed in upper miocene sand coastal swamp depositional belts of tertiary niger delta nigeria figure 1 and have resulted into tilted owc in nembe creek and krakama field and pressure regression phenomenon in akaso and adibawa field. Formation, the marineshale facies of the delta, with. This is very important in estimation of production cost and assessment of viable reservoir units in petroleum industry. Predicting petroleum generation is a critical issue in prospect evaluation for the deeper prospects because of its economic implications. Materials and methods materials used for the relevance of geophysical wireline logs in hydrocarbon reservoir characterization are techlog software, gamma.
Past and present environmental issues in the nigerias niger delta. Niger delta petroleum systems, nigeria request pdf researchgate. Petroleum, pollution and poverty in the niger delta amnesty international june 2009 index. Petroleum geology of the niger delta geological society, london.
Poor communitycompany relations in the niger delta hadrawn ve attention to the practice of corporate social responsibility csr in the region. Each system is defined on the basis of sourcerock and oil geochemistry, and these data demonstrate that the tertiary deltaic petroleum system is the principal source for oil and gas in the niger delta. Throughout the region, oil and gas is predominantly extracted from the agbada formation where it is targeted from structural traps. Pdf the petroleum system from source to trap in the nile. In fact petroleum in one way or another pervades almost. The niger delta basin is one of the most prolific hydrocarbon provinces in the world, yet the origin of the vast amounts of oil and gas found in the numerous subbasins across the delta remains contested. Investigating these matters can also expose serious gaps in the management system for control of oil spill in the niger delta region of nigeria. The primary source rock is the upper akata formation, the marineshale facies of the delta, with possibly contribution from interbedded marine shale of the. This was aimed at increasing the resolution for prediction of reservoir, seal, and source rocks in the eastern part of the basin. Niger delta petroleum systems, nigeria request pdf. The objective is to understand the spatial distribution of porosity and characterize the degree of heterogeneity of underlying formation. Sequence stratigraphy and depositional environments of middle.
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