Since the discovery of Crude Oil in 1875, the Petroleum Industry has gradually improved in value due to the series of valuable products gotten from crude oil. The significant impact of crude oil as a source of energy has made exportation and importation of this mineral a lucrative business around the world, having turned to be the major source of revenue for most producing countries. Crude oil has contributed to about 80% of Nigerian Government revenue and foreign exchange since 1958, making it a key player in the economic plan of the country. Its importance in Nigeria has made the Legislature introduce lots of policies and laws governing the Oil and Gas business in the country. However, Nigerians with different views over the years have clamored for an improvement of these policies to enable the benefits of Her resources fairly get to the grassroots, producing communities and states while improving foreign investment policies in the country. These demands led to the introduction of the Petroleum Industry Bill (PIB) in the year 2000. This research work attempts to review and offer recommendations for improvements to avoid future litigations, violence, conflicts, and industry fragility. This work will also elaborate on different steps taken by the Nigerian Government over the years to implement this bill, challenges faced by the Government and International Oil Companies (IOCs), Government and its citizens, and anomalies seen in the bill up till status quo.
This project uses production data to generate well-specific correlations for GLR, BSW and sand concentration which are used for predictions. A software has been developed to effect a smart control algorithm. This results in a bean up or bean down operation depending on the current flowing conditions and constraints. Excel programming environment was used to write a code that constantly takes in measured data points, models the behavior of the individual data sets with bean size and controls the choke if the parameters of interest go above a predetermined cut-off. The software was also equipped with an inverse matrix solving algorithm that enables it to determine the choke performance constants for any set of initialization data. A set of data from field X were supplied and the choke performance constants; A, B, C, D and E, were found to be 10, 0.546, 0.0, 1.89 and 1.0 respectively. In addition to that, data from subsequent production operations were entered and the software was able to control the choke size to ensure that production stays below set constraints of 500, 80 and 10 in field units for GLR, BSW and sand concentration respectively. From this, it can be concluded that the software can effectively maintain the production of unwanted well effluents below their cut-offs, thereby improving oil production and the overall Net Profit Value (NPV) of a project.
The oil and gas industry is governed by policies with the aim of smoothening the business relationship between the Government, the International Oil Companies (IOC’s) and the Host communities. Different oil producing countries have their own laws governing petroleum activities and these laws vary from country to country based on the B-PEST factors which are Biological, Political, Environmental, Social and Technology. However, reserve size and oil type can also influence petroleum laws. Countries like Nigeria relies strongly on petroleum bills such as the PIB in which this research will be analyzing the Production Sharing Contract (PSC) which is a significant subset of the PIB. Comparison between the existing PSC of Malaysia and that of Nigeria was captured in this research and the analysis of the PSC was done based on the Government Take, National Oil Company (NOC) and the Contractor’s benefits. 26.67% and 56.58% recovery cost, 28.67% and 26.28% Government revenue, 23.14% and 7.64% NOC share, 21.52% and 9.50% Contractor share of revenue per barrel was arrived at for Malaysia and Nigeria respectively, showing that the Malaysian PSC model yields more income to the country when compared to that of Nigeria without necessarily short-changing the contractors or the IOCs. Finally, the reasons behind these deficits were highlighted and recommendations made to improve the PSC and benefits for all parties to the contractual agreements.
During drilling operations, it is essential to keep the wellbore pressure within the maximum value of the fracture pressure and minimum value of the pore pressure of the formation. To handle this challenge, the fracture pressure of the formation must be known as it is significant to determining the mud window design. This study developed a correlation that could predict the formation fracture pressure in the Niger Delta deep offshore field. Two different fields were considered for this model named Field 1 and 2. From these fields, fracture pressure data were gotten from 21 wells during leak off test (LOT) at different casing shoe depths. While carrying-out the analysis of data, assumptions were made that the formations throughout the Niger Delta basin obeys the principle of horizontality. Also, that the fracture pressure at same depth is uniform with the pressure at other location in the Delta. Scatter plot was used as the tool for the data analysis. A line of best fit was drawn to arrive at the correlation. This correlation has an R2 coefficient values of 0.9969. In conclusion, the correlation gotten from this study for predicting fracture pressure has shown to align with some data sets from the Niger Delta fields with very little variation. This can be used for planning of further drilling operations in the Niger Delta to make it easier, faster and more economical.
Liquefied Petroleum Gas has proved to be an essential source of fuel through the mild blue glowing flame it produces on ignition in the presence of oxygen. This source of heat has made it suitable for use as cooking gas. Various developed countries have been able to transport gas to homes for heating of homes and as cooking gas using grids while considering environmental conditions specific to that country. This study unveils a distribution mechanism for effectively transporting cooking gas safely to homes in Rivers State. This gas distribution plan is a one supplier strategy which could be government or private owned. Choba community was used as a choice case study because of its strategic position. Also, the gas properties such as RVP, Pressure and Temperature were analyzed together with the pipe properties. The project impacts on the major environmental components of the study area were assessed and considered. The distribution routes considered locations of present gas processing plants in Rivers State and optimized routes for transport was introduced. Local terminals to ease distribution, monitoring and safety were also included. The economic analysis of this study will show how the distribution of cooking gas to homes can increase the utilization of Nigerian gas and improve the benefits from Nigerian gas in the next 10 years.
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