» 1.0 INTRODUCTION Used motor oil is a very dangerous polluting product. It contains PAH’s and high levels of metals. PAH’s such as benzo[a]pyrene, are well known for their high carcinogenity. Considerable quantities of heavy metals such as Pb, Zn, Cu, Cr, …Continue Reading »
» ABSTRACT Every Natural gas well ceases producing as reservoir pressure depletes. The usual liquid presence in the reservoir can cause further problems by accumulating in the wellbore and reducing production even more. There are a number of options in well completion to prevent liquid loading even…Continue Reading »
» ABSTRACT Energy demand in the world today is increasing rapidly and energy generation and resources in the world are incapable of catering for this increase in demand. In third world countries such as Nigeria, energy generation is epileptic; this is evident in the electric power sector of Nige…Continue Reading »
» CHAPTER ONE INTRODUCTION 1.1 BACKGROUND TO THE STUDY There has been a relative slow rate of growth in the Nigerian Petroleum sector for past decades with a far reaching influence of foreign presence. It is a well known fact that the Petroleum sector in any economy requires great a…Continue Reading »
» ABSTRACT A poor description of the reservoir characteristics usually poses a unique problem in exploration and production there by leading to poor development and management of a reservoir field to yield optimum profit required. An accurate description is thus a vital key to an improved field dev…Continue Reading »
» CHAPTER ONEINTRODUCTION1.1 BACKGROUND OF STUDY In the production system, Pressure drop has been a major issue in the field. These pressure drops could be experienced as a result of valves and fittings installed, due to friction along pipe sections or in lifting fluid up to a certain level. As …Continue Reading »
» CHAPTER ONE INTRODUCTION 1.1 Background of the Study The need for resource rich Nigeria to assume control of the exploration, exploitation and production activities in the oil and gas sector and to harness the potentials of this most strategic industry in order to generate more value …Continue Reading »
» ABSTRACT The technique used worldwide while drilling is known as overbalanced drilling. Which is defined as the drilling process where the hydrostatic pressure used exceeds the formation pressure. This is done with the main purpose of “killing” the well. However, there are numerous problems t…Continue Reading »
» CHAPTER ONE INTRODUCTION Many reservoirs are comprised of relatively young sediments, which are so poorly consolidated that sand will be produced along with the reservoir fluids unless the production rate is reduced significantly. Sand production leads to many numerous production problems i…Continue Reading »
» Introduction Hydrocarbons(oil and gas) are found in the pore spaces of sedimentary geologic formations (reservoir rocks). Once an oil or gas reservoir is discovered and assessed, production engineers begin the task of maximizing the amount of oil or gas that can ultimately be recovered from …Continue Reading »
» ABSTRACT Foam are substances that are been formed when pockets of gases are trapped in a liquid or solid. Foam stabilizations are caused by van der waals force between molecules, there are conditions required for foaming to occur. Foams have different applications that are been utilised in the…Continue Reading »
» ABSTRACT Foam are substances that are been formed when pockets of gases are trapped in a liquid or solid. Foam stabilizations are caused by van der waals force between molecules, there are conditions required for foaming to occur. Foams have different applications that are been utilised in the…Continue Reading »
» ABSTRACT Monitoring and maintenance is a continuous process in the various phases of a well’s life. One of the essential part of monitoring is well testing. Just as a regular medical checkup is advised for humans so is well testing advised for a target formation. Well testing provides a means o…Continue Reading »
» CHAPTER ONE INTRODUCTION 1.1 BACKGROUND OF THE STUDY Composite is the combination of a matrix and a reinforcement, which when combined gives properties superior to those of the individual components (Ashori & Nourbakhsh 2009a). Wood plastic composite (WPC) is therefore a combination of wood and …Continue Reading »
» ABSTRACT In the present day oil and gas industry, the chemicals used as pH controller are usually imported at an exorbitant price which take a large part of the drilling cost and have ripple effect on the economy of the Nation. It is however necessary to source for an alternative by the use of…Continue Reading »
» Chapter one Introduction 1.1 Background of the study During pregnancy the body experience dramatic physiological and psychological changes which is natural and to remain healthy, the pregnant woman must indulge in regular physical activities call exercise.1 The professional health workers need…Continue Reading »
» Chapter one Introduction 1.1 Background to the Study Water is an essential substance in human life as it is used for various purposes sucg as drunking washing cooking. Human noroviruses cause the most gastrointestinal illness in all regions of the world, with the vast majority thought to be …Continue Reading »
» Chapter one Introduction 1.1 Background to the Study Breast cancer is the most common malignancy and first cause of cancer mortality in women worldwide with a world number of new cases estimated at 1,384,155 in 2008.[1] Its worldwide prevalence is still on the rise[2, 3] and nowadays breast ca…Continue Reading »
» CHAPTER ONE INTRODUCTION 1.1 BACKGROUND TO THE STUDY In recent years, there has been a great increase of knowledge derived from scientific studies regarding physical exercise during pregnancy (Mason et al, 2010). This reflects the need to clarify their effects for mother and fetus, as some wo…Continue Reading »
» CHAPTER ONE INTRODUCTION 1.1 BACKGROUND TO THE STUDY Hepatitis is an inflammation of the liver characterized by the presence of inflammatory cells in the tissue of the organ (Ryder & Beckingham, 2001). It may occur with limited or no symptoms, but often leads to jaundice, anorexia (poor appet…Continue Reading »
» CHAPTER ONE INTRODUCTION 1.1 Background of the study Health care insurance plan has been a growing concern to many developing countries in recent times. Given that health insurance is designed to cover formal and informal sectors, rural and urban locations, low and high income earners, it b…Continue Reading »
» CHAPTER ONE INTRODUCTION 1.1 Background of the study Breastfeeding is the very first stage of improving child’s survival. Breast milk as food for infants is very beneficial for the all round growth of a child. It enhances the physical, mental, and social growth of a child. Br…Continue Reading »
» CHAPTER ONE INTRODUCTION 1.1 Background of the study Microsporidia are single celled, obligate intracellular parasites that were recently reclassified from protozoa to fungi. Microsporidia are a group of intracellular parasites which have attracted the interest of parasitologist…Continue Reading »
» CHAPTER ONE INTRODUCTION 1.1 Background to the Study Human Schistosomiasis (Bilhariziasis) is second only to Malaria in sub – Sahara Africa causing severe morbidity. Killing 280, 00 people each year in, the Africa region alone (Shashieet al.,2005). Of the world 207 million estimated …Continue Reading »
» ABSTRACT The variations in the sizes of the various organs during pregnancy is well known with various organs of the body increasing in size throughout pregnancy and returning to their pre pregnant state during the pueperium. The purpose of this research was to investigate on the ultrasonograp…Continue Reading »