Product Description : A Primer of Oilwell Drilling, 7th Ed. This new expanded and colorful edition features enhanced content and graphics With a new engineering perspective supplied by author and industy expert Dr Paul M Bommer Senior Lecturer of Petroleum Engineering at The University of Texas at Austin this Primer remains the comprehensive first reader of the oilwell drilling industry It contains over 220 vibrant photos and illustrations covering driling processes both on land and offshore from exploration to well completion Includes a glossary of drillling terms Published in cooperation with the Interantional Association of Drilling Contractors IADC Also includes 20x24 fullcolor rotary rig poster ( it is an used product)