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Now showing items 341-350 of 390
Assessment of Barite Deposit in Nassarawa State for Oil Drilling Application
(2019-06-23)
Drilling fluids play sophisticated roles in the drilling process which include, keeping formation fluids at bay, stabilizing the wellbore without damaging the formation, lubricating the bit and drill-string and clearing ...
Effects of Cassava-Leaf-Enhanced Carbonitriding on Case-Hardening of Barite Mining Tools
(2017-12-12)
This study presents the results of an experimental study of the effects of cassava leaves carbonitriding on the microstructure, hardness and abrasive wear behaviour of AISI 1065 and AISI 1070 steels used for barite mining ...
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 ...
Improving Lifting Capacity and Modelling Hydraulics of Local Based Muds Flowing Through Vertical Pipes
(2019-06-12)
Drilling mud plays an integral part in drilling operations to perform several functions some of which are to cool drill bits, provide hydrostatic pressure and give information about subsurface formation. The cutting ...
Hydrometallurgical Recovery of Lithium and Cobalt from Spent Lithium-Ion Batteries
(2019-07-12)
The demand for lithium-ion batteries is high because of their high energy and power density, which most time is influenced by the lithium-ion cathode chemistry. However, the need for expensive and scarce metals, such as ...
Improving Lifting Capacity and Modelling Hydraulics of Local Based Muds Flowing through Vertical Pipes
(2019-06-12)
Drilling mud plays an integral part in drilling operations to perform several functions some of which are to cool drill bits, provide hydrostatic pressure and give information about subsurface formation. The cutting ...
Design and Implementation of Multimedia Content on Smartphone for Learning Automata Theory
(AUST, 2013-06-13)
Alternative methods of learning that will provide an avenue for students to construct knowledge independently has become the yearning of all and sundry. Computers are revolutionizing the educational institutions as well ...
Biosynthesis of Gold Nanoparticles for Breast Cancer Targeted Drug Delivery
(2016-12-23)
Although there have been significant efforts in breast cancer treatment over the past many
decades, current therapeutic approaches are limited by non-specific systemic distribution,
inadequate drug concentrations ...
Development of a Thermodynamic Model for Wax Precipitation in Produced Crude Oil -- Case Study of Hydrocarbon Fluid from Niger-Delta, Nigeria
(2019-06-23)
Wax is often precipitated out of solution in waxy crude oil found in most oil reservoirs around the world, especially as the production of oil and gas has moved from on shore to more challenging terrains offshore. Waxes ...
Upstream Petroleum Industry Performance Evaluation using Data Envelopment Analytic Approach
(2019-06-23)
Nigeria ranks among the top ten petroleum producers in the world with over eighty petroleum Investors in its upstream sector. This creates an enormous challenge for the upstream institutions’ managers especially in the ...