The most complete manual, presented in an easy-to-use format, Formulas and Calculations for Drilling and Production is a quick reference for day-to-day work out on the rig. Virtually all the mathematics required on a drilling rig are here in one convenient source, including formulas for bit hydraulics, pressure gradient, annular velocity, buoyancy factor and many other essential topics. It also serves as a handy study guide for drilling and well control certification courses. Drill faster and deeper with this all-inclusive practical handbook