Methods Of Shutting Off Water In Oil And Gas Wells

Excerpt from Methods of Shutting Off Water in Oil and Gas Wells, Vol. 163 Water may gain access to an Oil-bearing formation from several sources - from water sands above or below those containing the oil, or by encroaching through the oil sands as the Oil is withdrawn. In short, it may enter a well from the top, bottom, or side. Such in gress of water is a most serious detriment to the recovery of oil from the ground. As the art Of drilling and developing Oil properties has progressed, increasing thought, labor, and money have been expended on various methods, devices, and equipment for arresting the migration of water from its normal subsurface position into the porous strata contain ing valuable oil or gas accumulations. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.