Published by Standard Oil Development Company, Usa, 1943
Hardcover. Condition: Very Good+. Third Printing. From the foreword, "This is a research and engineering report on oil recovery efficiency in petroleum reservoirs and the influence of well spacing thereon." Ships same or next business day. Spine is skewed and slightly loose. Minor edge wear. Small bumps on spine ends. Pages are lightly tanned but clean. No dust jacket. ; B&W Illustrations, Charts, and Graphs; 8vo 8" - 9" tall; 77 pages.