Read it cover-to-cover as a complete primer, read it a section at a time as it comes up in your profession, and keep it handy as a quick reference.

New to this edition:

• A chapter on unconventional oil and gas (including gas shales)
• Modern tools used in well logging
• Modern drilling rig methods and equipment
• Expanded glossary includes 1,500 new terms
• 62 new figures and 6 new plates
• Up-to-date statistics