Excerpt from Current Developments in Oil and Gas: Extract of the Contributions of the Fifth Annual Illinois Mineral Industries Conference Data are as yet insufficient to make a reliable estimate of ultimate per acre yield in the new fields. The best indication now available is a comparison of the thickness and character of the reservoir rock with that of the same strata in the old producing field. Thus, the mcclosky oolites in the new basin fields are more uniform, and well sorted, than are those in the Lawrence County field, judging from the few samples available from the old fields The average thickness of pay is probably greater in the new fields. Therefore. 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.