Designed for easy reading and accessibility, this bestselling book by Norman Hyne provides an enormous amount of useful information on the upstream petroleum industry. The new updated 3rd Edition includes a new chapter on unconventional oil and gas (including gas shales), covers new well-logging tools and new drilling rigs, and adds a number of new figures and plates. Thousands of professionals and students have used this upstream guide to further their understanding of petroleum geology, exploration, drilling, and production.