Oil Resources In Coal And Carbonaceous Shales Of Pennsylvania Classic Reprint

Excerpt from Oil Resources in Coal and Carbonaceous Shales of Pennsylvania It must also be kept in mind that the estimated reserves, which are based upon p modes of production, can be greatly inc by more efficient methods of recovery. Believes that the recovery in the past ha less than 20 per cent of the total oil san tents and that this can'be increased by a half and perhaps by as much again as i produced. This will of course greatly it. The available reserves. 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.