This brilliant, field-focused review of drill bit technology and operations begins with drill bit development and history of both roller-cone and fixed-cutter bits. The chapter goes on to discuss bit design, lubrication and pressure compensation, cutting structures, TSP cutters, nozzle and plug installation and removal, mechanical specific energy (MSE), monitoring drill parameters, dull grading and evaluation, storage, repairs, calculations, safety, governing standards and guidelines, and more. Written by Tyler Cobb, Dan Scott, Ron Dirksen, Alfazazi Dourfaye, Craig Fleming, Richard Rivera, Jorge Silveus. 43 color and black-and-white illustrations and three tables.
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