With over 100,000 copies sold, the new 4th edition joins this series to provide the most complete upstream petroleum guide for students and professionals. Dr. Norman Hyne guides you through the upstream segment of the value supply chain. Commonly used in universities, this easy-to-read and interpret book provides insight into the nature of gas and oil production explaining how it occurs in the earth, how to find it, how to drill for it, how to read well logs for evaluating the well, how to complete a well, how to produce gas and oil, and how to revive mature fields. He also introduces you to newer concepts such as drilling unconventional shale reservoirs which have revolutionized the industry and changed the world market. Features and Benefits New, colored figures and plates Present-date statistics Modern techniques and equipment A glossary of need-to-know industry terms Italicized key words and phrases in the text Audience Students Landmen Geologists Field level personnel Management Anyone who seeks to understand the upstream value chain.