Stress Analysis and Optimum Design of PDC Die for Offshore Drilling Engineering-

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!t*wzx8?d0Stress Analysis and Optimum Design of PDC Die for Offshore Drilling Engineering

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y C-d\\*OJK0PDC bit; compact; die; optimum design; finite element method; software; offshore drilling

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3hF wUk U1I+@g01 .IntroductionThe polycrystalline diamond compact (PDC) bit has completelyreplacedthethree-cone bitinoff-shore directional drillinginrelativelysoft ,nonabrasiveformations ,or evenin hardformations whenthedrillingintervals are small .APDCbit consists of

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