关键词: 气体钻井, 钻柱振动, 振动控制, 空气锤, 减振减阻工具, 失效预防 Abstract: To solve an engineering problem of severe vibration and frequent failure of drill string in gas drilling, we analyzed vibrating behaviors of drill string during gas drilling based on a dynamic model for the whole-interval drill string in gas drilling, and presented two control measures ...