scholarly journals Examination of the Seismic Characteristics of Onshore Reservoirs for Dom Gas Production Potentials in the Niger Delta Region of Nigeria

2021 ◽  
Vol 25 (5) ◽  
pp. 835-839
Author(s):  
S. Inichinbia ◽  
H. Hamza
Keyword(s):  
Niger Delta ◽  
Research Work ◽  
Gas Production ◽  
P Wave ◽  
Delta Region ◽  
S Wave ◽  
High Concentration ◽  
Gas Reservoirs ◽  
Seismic Wavelet ◽  
Niger Delta Region

The objective of this research work is to examine two prominent dom gas reservoirs H1000 and H4000 in onshore Niger Delta region of Nigeria for potential production activities using seismic wavelet and well-to-seismic tie process to facilitate interpretation and evaluate dom gas (hydrocarbon) bearing formation. Well log and sidewall samples analyses show that the velocity attributes, high P-wave, S-wave and Vp/Vs ratio characterize sediments with high concentration of dom gas. The wells validated the presence of dom gas with total gas in place on the field estimated at 4.017 trillion ft3, GIIP 5,228.683 bscf, CIIP 445.136 MMstb, and STOIIP 34.647 MMstb, URg 4,120.494 bscf and URc 219.208 MMstbl, 90 % of which resides in the two reservoirs. The hydrocarbon intervals are estimated at H1000 (8864 ft, TVDSS) and H4000 (9577 ft, TVDSS). The borehole information was combined with seismic data to confirm lateral continuity of the dom gas reservoirs.

scholarly journals Material Selection for Subsea Pipeline Construction under Uncertainties for Niger Delta Region

2020 ◽  
pp. 34-43
Author(s):  
N. E. Udosoh ◽  
Clement Idiapho ◽  
Sani Awwal
Keyword(s):  
Niger Delta ◽  
Material Selection ◽  
Research Work ◽  
Delta Region ◽  
Pipeline Construction ◽  
Subsea Pipeline ◽  
Oil Pipeline ◽  
Niger Delta Region ◽  
Selection For ◽  
Operational Error

This research work on material selection for subsea pipeline construction was carried out to analyze and recommend suitable material option that satisfies DNV-OS-F101 standard for subsea pipeline constructions which will not succumb to extreme conditions and performs well in unpredictable conditions in the Niger Delta Region of Nigeria. Crude oil is mainly transported through pipelines, structural failure of the pipelines will severely affect oil production processes and will cause huge economic loss. Data on oil pipeline failures in the Niger Delta region of Nigeria were gathered and the major causes were; corrosion, operational error, third party activities and mechanical failures which were associated with the construction materials and structures of the pipelines. Hence, material selection for subsea pipelines is of vital importance. This paper makes use of Technique for Order Preference by Similarity to the Ideal Solution (TOPSIS) Theory to make fuzzy evaluation of different material options for pipeline construction. Statistical data and experts’ knowledge were integrated in addressing data limitation. This paper utilizes related weights and normalized scores based on experts’ judgements and with the aid of value engineering (VE) method, material criteria based on DNV-OS-F101 standard and TOPSIS Theory to achieve the best material option. The analysis has demonstrated that the estimation of TOPSIS is reliable. The outcome obtained can be used to assist the decision maker in the selection of the best material option suitable for the construction of subsea pipeline in Niger Delta region.

scholarly journals Radiological Survey of Oil and Gas Wastes and its Health Risks in Niger Delta Region of Nigeria

2019 ◽  
pp. 1-13
Author(s):  
C. P. Ononugbo ◽  
G. O. Avwiri ◽  
J. I. Ekpo ◽  
Y. E. Chad-Umoren
Keyword(s):  
Health Risks ◽  
Niger Delta ◽  
Oil And Gas ◽  
Activity Concentration ◽  
Liquid Waste ◽  
Gas Production ◽  
Reference Level ◽  
Delta Region ◽  
Niger Delta Region ◽  
Radiological Health

Aim: The aim of this study is radiometric survey of oil and gas wastes and its health risks in Niger Delta region of Nigeria.  Study Design: This study was purely an experimental work which involves collection of samples and laboratory analysis. Place and Duration of the Study: This study was carried out at oil and gas company waste stream facilities and waste pipe market within Niger Delta region between June 2018 and May, 2019. Methodology: Sixteen samples (4 drill cuttings, 4 pipe scales, 2 sludges and 6 produced water) were randomly collected from four waste streams in six locations within the oil and gas production facilities and used pipe market. These samples were taken to the laboratory, prepared following the ISO procedure and packaged in a porcelain bottle, sealed and kept for twenty eight days in order to ensure secular equilibrium between 238U, 232Th and their progenies and counted with high purity Germanium detector (HPGe). The activity concentration of all the radionuclides were used to determine the radiological health risks using mathematical models. Results: The lowest and highest specific activity concentrations  of 226Ra, 238U , 232Th  and 40K, in solid wastes are 5.28±1.08 and 25727.75 Bqkg-1, 3.61±0.76 and 23021.73±1041.58 Bqkg-1, 2.40±0.56 and 21468.25±1125.57 Bqkg-1 and 35.31±2.38 and 1527.73 ±86.60 Bqkg-1 respectively. In the liquid waste, the lowest and highest activity concentration of 238U, 232Th and 40K are 0.34±0.15 and 1.11±0.28 Bql-1, 0.63±0.17 and 1.06±0.18 Bql-1 and 9.60±0.66 and 14.20 ±1.04 Bql-1 respectively. 226Ra was below detectable limit in the liquid waste except in one sample (CZI). Downhole pipe scales recorded the highest activity concentration of all the radionuclides. Surface pipe scale also recorded very high activity concentration of all the radionuclides. The radiological health risk parameters assessed from the activity concentration of these radionuclide were all above the safe reference levels in downhole pipe scales and surface pipe scales while they are within the safe values in other samples. The estimated Exposure rate for both solid and liquid wastes were higher than the recommended reference level of 600 µRh-1 and the associated dose rate was also higher than reference level. Conclusion: The result of this work revealed that downhole and surface pipes from oilfield commonly used in the construction of buildings and domestic overhead tank-stands are associated with high levels of ionizing radiation which may be detrimental to human health and the environment.

scholarly journals Seismic Waves Response Characteristics of Niger Delta Soils

2021 ◽  
Vol 5 (1) ◽  
pp. 191-196
Author(s):  
J.O. Okovido ◽  
C. Kennedy
Keyword(s):  
Shear Wave ◽  
Wave Velocity ◽  
Shear Wave Velocity ◽  
Niger Delta ◽  
Void Ratio ◽  
Young Modulus ◽  
P Wave ◽  
Delta Region ◽  
Heavy Load ◽  
Niger Delta Region

The study investigated the dynamic soil properties of States in Niger Delta region of Nigeria as a function of seismic activities. The down-hole seismic test was used to determine the response of the soils. The results of soil samples collected up to 30m depth, showed that the average young modulus increases with increase in depth, which ranged from 115.77±1.74 to 3231.17±1.01 kPa across the States. Also, shear wave velocity generally increases with increase in depth. The average shear wave velocity across the States ranged from 126.00±1.86 to 288.00±2.63m/s. Also, the average P-wave velocity increases with depth, with values across the States ranging from 310.60±3.51 to 656.00±3.69m/s. On the other hand, the void ratio was observed to be constant at certain range of depth, and in most with values across the States ranging from 0.651±.093 to 0.860±.067. Unlike void ratio, Poisson’s ratio fluctuates with depth, with values across the States ranging from 0.23±2.27 to 0.36±1.18. Based on the results, the Niger Delta region may be resistant to earthquake, but as an oil hub of Nigeria, it is also susceptible to earthquake that could be triggered by stress due to heavy load and seismic activities.

scholarly journals Paradox of Poverty in the Midst of Abundant Resources: The Politics of Oil Resources and Renewed Insurgency in the Niger Delta Region of Nigeria

2018 ◽  
Vol 1 (1) ◽  
pp. 9-19
Author(s):  
Boris Happy Odalonu
Keyword(s):  
Niger Delta ◽  
Oil And Gas ◽  
Youth Unemployment ◽  
Gas Production ◽  
Delta Region ◽  
Oil And Gas Production ◽  
Oil Companies ◽  
Niger Delta Region ◽  
Oil Resources ◽  
The Government

Nigerian state depends majorly on oil resources for her economic survival. Over 85% revenue generation to the Nigerian government are derived from oil production in the Niger Delta. In spite of this, Niger Delta region illustrates a paradox of poverty in the midst of abundant resources. The region remains one of the poorest and least developed parts of the country. The region suffers from environmental pollution, pervasive poverty and underdevelopment. These culminated to series of peaceful agitations to draw the attention of the government for solution to their challenges but due to the insensitivity of the government and oil companies operating in the region to their plight it degenerated to violent agitations, hence the insurgency and militancy in the region. The effects of all these were the disruptions of oil and gas production, reduced national revenue, withdrawal of foreign capital, kidnapping of expatriate oil company staff and so on. In a bid to curb the insurgency and militancy in the region, the Federal Government initiated the amnesty programme in 2009. Seven years after, the issues of environmental degradation, youth unemployment, poverty and underdevelopment that led to militancy and insurgency in the region remain unresolved. Thus, there was renewed insurgency from January to December, 2016 in the region. The paper argues that, granting of amnesty to the militants is a temporarily solution to the problems and until the grievances of the region are sincerely tackled by the government, the issues of militancy and insurgency will remain unabated and may degenerate.

Participation in Community Development Micro Projects in Niger Delta Region of Nigeria: Implications for Social Work Education and Practice

2021 ◽  
Vol 3 (4) ◽  
pp. 335-352
Author(s):  
Oghenechoja Dennis Veta
Keyword(s):  
Niger Delta ◽  
Development Process ◽  
Survey Design ◽  
Group Discussion ◽  
Delta Region ◽  
Cross Sectional Survey ◽  
Cross Sectional ◽  
Niger Delta Region ◽  
Borehole Water ◽  
Work Education

This study sought to investigate factors militating against community participation in development projects executed under the Micro Projects Programme and how to reduce such factors to the barest minimum in the Niger Delta region of Nigeria. A cross-sectional survey design was adopted for the study. A questionnaire, an in-depth interview (IDI) guide and a focus group discussion (FGD) guide were used for data collection. Borehole water, generator-house, health centres, staff quarters and markets were the projects executed. Inadequate devolution of power to the grassroots, among others, was the major problem that hindered involvement of community members in the development process of the Micro Projects Programme in the study areas. To enhance active participation of beneficiaries in the development process of the programme, suggestions are proffered.

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