Formation Evaluation using Pulsed Neutron Logs

This Book formation evaluation using pulsed neutron logs covers all major aspects of formation evaluation using pulsed neutron tools such as Sigma interpretation, Carbon-Oxygen interpretation, Gas saturation evaluation using third detector of pulsed neutron tools, Water flow logging and Synthetic triple combo generation. Pulsed neutron logs are commonly used for formation evaluation behind casing and also to do assessment of changes in hydrocarbon pore volume over production period, they have immense importance in reservoir monitoring and hence not just petrophysicist they are equally important to reservoir engineers and production engineers. Keeping this in mind I have tried to cover above mentioned topics in such a way that professionals from all three domains i.e Reservoir engineering, Production engineering and Petrophysics understand principles and methodologies behind Pulsed neutron evaluation and should be able to understand differences between tools offered by major vendors. This book is based on different published technical papers on pulsed neutrons physics and principles. Major focus throughout is to build understanding of pulsed neutron physics and interpretation principles. In order to make this book short, concise and easy to understand emphasis has been kept on practical aspect of Pulsed neutron interpretation through explanation of technical reasoning behind it. I hope readers find this book useful in gaining better understanding of cased hole formation evaluation and reservoir monitoring using pulsed neutron tools.