A preliminary discussion on perforation accident in Bozhong34-2 Oilfield

Bozhong34-2-P10 is an adjust well, being normal temperature and pressure systems.Due to the low reservoir porosity in this well, and the serious pollution of near-wellbore, compound perforation has been used.Through analysis of the phenomena during perforating operation, such as the upper shock absorber tubing extrusion deflated, RT TS packer hydraulic anchor and damage of plastic tubes, fire stick cards in the co re tube packer, accident analysis has been conducted from the column design, unbalanced select ion, tools analysis, on-site construction management and other aspects.In addition, on the basis of the analysis results, relevant recommendations and suggestion on the perforating operation and handling of similar incidents have been put forward.