Stability of a rotary drilling system with bits consisting of full and partial blades

Keyphrases

• Rotary Drilling System 100%
• Critical Rotational Speed 100%
• Linear Stability Analysis 66%
• Blade number 66%
• PDC Bit 33%
• Rotary Axis 33%
• Extension Results 33%
• Discrete Model 33%
• Interaction Law 33%
• Bit-rock Interaction 33%
• Rate-independent 33%
• Stick-slip Vibration 33%
• Axial Vibration 33%
• Relative Length 33%
• Depth of Cut 33%
• Time-dependent Simulation 33%
• Constant Angle 33%
• Weight on Bit 33%
• Delay Differential Equations 33%
• Torque on Bit 33%
• Torsional Vibration Mode 33%
• Stability Map 33%
• Motion History 33%
• Bit Position 33%
• Unknown Delay 33%
• Evenly Distributed 33%

Engineering

• Rotational Speed 100%
• Linear Stability Analysis 100%
• Rotary Drilling 100%
• Differential Delay 50%
• Discrete Model 50%
• Delay Time 50%
• Rock Interaction 50%
• Explicit Expression 50%
• Characteristic Time 50%
• Rotation Speed 50%
• Axial Vibration 50%
• Slip Vibration 50%
• Simulation Time 50%
• Torsional Vibration 50%
• State Variable 50%
• Stick-Slip 50%
• Vibration Mode 50%