Petrophysics is the science of evaluating the rock and fluid properties of oil, gas and water reservoirs through the acquisition of physical samples, electrical, chemical, nuclear and magnetic data acquired by surface logging, downhole coring, and drilling and wireline sondes. The evaluation, analysis and interpretation of these data is as much an art as a science as it requires an understanding of geology, chemistry, physics, electronics, mechanics and drilling technology. The techniques have been developed over the last 100 years primarily by the oil and gas industry, but the principles are equally relevant in coal mining, hydrogeology and environmental science.
"Through the years I have known Dr. Williams, he has always maintained a wonderful and stable balance between the physical and spiritual worlds. This book is another example of the two-fold theological and practical perspective that he always brought to his teaching and preaching."
--John R. Lillis, Ph.D.
Executive Vice President of Academic Affairs Grace College and Seminary
"The Association of Black Cardiologist, in 7 Steps to a Healthy Heart, considers spiritual health a top priority. Pastor Williams has effectively compiled a document that is essential to a man's ability to be spiritually healthy and thereby much better prepared to be physically capable and productive. This is a must read."
--Robert L. Gillespie, M.D. FACC
Chairman of the Board, Association of Black Cardiologist
"The Rev. Dr. C. Dennis Williams has done it again. We need physical and spiritual food now and more than ever. He preaches and teaches men that daily devotion and fellowship with the Lord goes beyond an apple a day."
--Reverend Swayne A. Cofield, M.D.
Designed to fill an overlooked gap, this book, originally published in 1972, provides a single unified introduction to bibliographical sources of British military history. Moreover it includes guidance in a number of fields in which no similar source is available at all, giving information on how to obtain acess to special collections and private archives, and links military history, especially during peacetime, with the development of science and technology.
In the town of Roxbury, among the western Catskills, was born April 3, 1837, John Burroughs. The house in which he first saw the light was an unpainted, squarish structure, only a single story high, with a big chimney in the middle. This house was removed a few years later, and a better and somewhat larger one, which still stands, was built in its place. The situation is very pleasing. Roundabout is a varied country of heights, dales, woods and pastures, and cultivated fields.
This is one in a series of accessible graphic introductions to major thinkers and ideas. This book explains chaos theory and shows how it affects the world we live in.
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