Application of fluid patches for stuck freeing in oil and gas well construction

S. I. Vasiliev, E. E. Miloserdov, K. A. Chernokalov

The article describes main methods of stuck freeing with the application of fluid patches, presents the classification of fluid patches on a case-by-case basis. The proposed methods of fluid patch application enhance well drilling rates and cut non-productive time.

Key words: fluid patch, water patch, oil patch, acid bath, stuck, mud

Mining Industry Journal №3 (127) 2016, p.80