Abstract
Drilling tools are the main components of the drilling system, including drill bits and drill rods. During the drilling process, due to the collision between the drill bit and different formations, the drill string often vibrates, which causes damage to the drill bit and has a serious negative impact on drilling. Therefore, the research on the vibration of drilling tools is particularly important. This paper focuses on the generation mechanism, performance phenomenon, negative effects, judgment and improvement measures of three forms of drilling tool vibration: longitudinal vibration, torsional vibration and lateral vibration. The three vibration signal research methods: time domain method, spectrum analysis method and wavelet transform method are also analyzed.
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