This eBook is a brilliant guide to the key enabling technologies of managed-pressure, underbalanced and air/gas/mist/foam drilling. Covers drivers and all variations of MPD, including constant bottomhole pressure, pressurized mud cap drilling, continuous circulation devices, dual-gradient and riserless drilling, deepwater applications of MPD, air hammer drilling, and more. Discusses enabling equipment, common problems. Includes 16 full-color charts and photographs.
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