Deep Oil / Gas Borehole Inspection in Sichuan,China___Videolog System
A shale gas well in Sichuan encountered a resistance after cementing, and the casing was deformed. The well fluid has poor light transmission and the tube wall is unclear. The wellbore liquid is evacuated by gas lift drainage. The tubing is flared down to the target position. The VideoLog visual logging tool is inserted from the tubing and the bell mouth is detected. Go to the clear wall video. The deformation of the casing joint was found, and the maximum deformation amount was explained to be 6.7 mm.