The Stress Field Simulation of a Novel M-type Convex Stepped Bottomhole and the Rate of Penetration Enhancement Mechanism of a New Type of Central-Grooved PDC Bit for Offshore Deep & Ultradeep Well Drilling
OCEAN ENGINEERING（2024）
关键词
Offshore deep/ultradeep well,ROP enhancement,Thermal-fluid-solid coupling,M-type convex stepped bottomhole,Central-grooved PDC bit,Rock-breaking mechanism
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