METHOD OF BOTTOM-HOLE ZONE TREATMENT Russian patent published in 2002 - IPC

FIELD: oil producing industry; applicable in perforation, reperforation and other operations involved in treatment of bottom-hole zone. SUBSTANCE: method includes well perforation, implosion treatment and well completion. For implosion treatment, implosive volumes are filled with well fluid successively from large volume to small one. In this case, implosive chambers are made with the same length and reducing diameters and connected with perforator internal space and successively with one another, from larger to smaller volumes. It provides for multiple impact actions on bottom hole needed for cleaning of perforation holes. EFFECT: higher cleaning of perforation holes. 1 ex