CAJ | 학술논문

套铣筒是修井施工中常用的处理井下落物的工具，由于井况复杂及操作不当经常会造成套铣筒被卡事故，针对套铣筒外径大、尺寸长、钢级高、与套管环形空间隙小等难点，多次研究改进，形成了遇卡套铣筒处理新技术，在现场实际应用中取得了良好效果。
투선통시수정시공중상용적처리정하락물적공구，유우정황복잡급조작불당경상회조성투선통피잡사고，침대투선통외경대、척촌장、강급고、여투관배형공간극소등난점，다차연구개진，형성료우잡투선통처리신기술，재현장실제응용중취득료량호효과。
Washover pipe is commonly used for handling the falling materials in wells. The pipe was often stuck because of the complicated situation underground. As for the the difficulties of the washover pipe which has high diemeter, steel grade,little gap ,the improving measures were put forward and appied in practice.The application effect was excellent.