Browsing Masters Theses by Title
Now showing items 342-361 of 461
-
Performance of a Nigerian Metakaolin-Based Geopolymer as a Sustainable Building Material
(2017-12-17)Existing data show that Portland cement material production contributes ~8% to the global CO2 emissions. This is detrimental to the environment and can lead to global warming. It is therefore pertinent to develop alternative ...
-
Performance Optimization of Tin Halide Perovskite Solar Cells Via Numerical Simulation
(2014-12-15)Organic-inorganic hybrid perovskite solar cells have attracted great attention in the photovoltaic research community in recent years due to its ease of processing, low cost of production, superb light-harvesting ...
-
A Performant Predict Analytics Approach to Recommender Systems Using Deep Learning Methods
(AUST, 2022-09-05)Recently, Massive amounts of data have been generated as a result of the frequency at which the amount of information available digitally is advancing. To enable users to effectively utilise the huge amount of information, ...
-
-
Petrophysical Evaluation of Flow units of the Agbada-Akata Formations in the Niger Delta
(2016-06-16)Clastic reservoirs may be heterogeneous and exhibit lateral and vertical variations in porosity and permeability. Therefore, the spatial distribution of the petrophysical properties within the reservoirs is important to ...
-
Ph- Responsive Dextran Gated Functionized Mesoporous Silica for Drug Delivery
(2019-07-12)Mesoporous materials have generated a lot of interest over the past few decades owing to their wide range of applications in catalysis, separation, drug delivery, sensors, adsorption, photonics, nanodevices etc. To realise ...
-
Phytoremediation of Crude Oil Contaminated Soil Using Cowpea and Indole-3-Acetic Acid as a Growth Hormone
(2017-03-22)One of the unintended impacts of crude oil exploration is the pollution of agricultural land and aquatic resources when there is accidental oil spillage. The environmental effect of this has resulted in untold hardship to ...
-
Power-Law Fluid Pressure Behaviour in Homogenous and Naturally Fractured Reservoir with Spherical Flow
(2013-04-30)Studies have revealed most wells are usually completed with limited or restricted-entry and it’s often characterized with spherical flow behaviour. High viscosity crude by their nature may also exhibit Non-Newtonian flow ...
-
Practical Approach to Effective Sand Prediction, Control and Management
(2010-11-12)The production of formation sand is a problem associated with most oil deposits in the world. Major Sand production effects affect safety, well or field economics and continuous production. This has prompted the continued ...
-
Practical Approaches for Solving Lost Circulation Problems while Drilling
(2011-12-12)As the demand for petroleum resources increases, drilling of oil and gas wells are often carried out in challenging and hostile environments. Among the top ten drilling challenges facing the oil and gas industry today is ...
-
Prediction of Heart Disease using Bayesian Network Model
(2019-06-16)The Heart Disease according to the survey is the leading cause of death all over the world. The health sector has a lot of data, but unfortunately, these data are not well utilized. This is as a result of lack of effective ...
-
Prediction of Liquid Holdup for a Multi-Plane System Using Artificial Neural Network
(AUST, 2020-12-03)Liquid holdup was predicted for slug flow using the neural network toolbox available in MATLAB. Experimental data contained Liquid holdup measured at an interval of 5 seconds over a period of 12,000 time points for both ...
-
Prediction of Surge and Swab Pressure Profile for Flow of Yield Power Law Drilling Fluid Model through Eccentric Annuli
(2011-12-12)Surge and swab pressure computation is very important in drilling hydraulics. Most blowout problem in oil wells have been as a result of surge and swab pressures developed from running or pulling of tubular goods in ...
-
A Predictive Model for Electricity Consumption in University Campuses using Artificial Neural Networks (A Case Study)
(2017-12-15)Energy efficiency is paramount in the quest to achieve sustainable development in the 21st century. Statistics in recent research have shown that in many sectors in any nation’s economy, which include buildings, industries ...
-
A Predictive Model for Electricity Consumption in University Campuses Using Artificial Neural Networks (A Case Study)
(2017-12-09)Energy efficiency is paramount in the quest to achieve sustainable development in the 21st century. Statistics in recent research have shown that in many sectors in any nation’s economy, which include buildings, industries ...
-
Pressure Analysis of a Well with an Inclined Asymmetric Hydraulic Fracture
(2009-12-08)Hydraulic fracturing is an effective well stimulation technique which is introduced in the 1950s and widely used in the oil and gas industry. Most of the works about hydraulic fracture assumed that the fracture is symmetric ...
-
Pressure Analysis of a Well With an Inclined Hydraulic Fracture in a Naturally Fractured Reservoir
(2009-12-15)Hydraulic fracturing has been an effective technique to stimulate damaged wells or wells producing from low-permeability formation. It has been established that the orientation of a hydraulic fracture is perpendicular to ...
-
Pressure Transient Analysis in Anisotropic Composite Reservoirs – A Three Dimensional Semi-Analytical Approach
(2011-12-20)A composite reservoir is one with multiple lateral compartments; each having distinct rock and fluid properties separated by geologic discontinuities. Geologically, composite reservoirs separated by leaky faults are rife ...
-
Pressure Transient Analysis of Bingham Fluids using Tiab’s Direct Synthesis Approach
(2019-07-23)This study investigated transient flow response of heavy oil that exhibit Bingham fluid characteristics. Four wellbore conditions in naturally fractured reservoirs were considered which include horizontal well, hydraulically ...
-
Pressure Transient Analysis of Hydraulically Fractured Wells in Multilayered Reservoirs
(2011-12-20)New equations for bilinear, formation linear and pseudo-radial flow regimes in an infinite commingled fractured multilayered reservoir have been developed. The equations have been extended to Tiab’s Direct Synthesis Technique ...