摘要 |
Method for perforation of well includes installation of tubing string in well over perforation interval, replacement of working liquid from perforation interval with gaseous medium, lowering perforator to perforation interval and perforation of well. Perforation is performed in two stages, at that at first stage one initiates several charges at beneath of perforator, with replacement of working fluid from perforation interval or with its liquefaction with stratal gas through perforation openings formed, and at the second stage one performs perforation with the upper charges of perforator. |