WELL COMPLETION METHOD Russian patent published in 2006 - IPC E21B43/11 E21B43/08 E21B43/26 

FIELD: oil and gas production industry, particularly methods or apparatus for obtaining oil, gas, water or other materials from wells.

SUBSTANCE: method involves forming outer blind grooves in casing pipe wall; installing casing pipe in well; forming channels in casing pipe wall and in surrounding productive formation by applying pressure to inner casing pipe surface in blind groove zones. During completion of well having liquid located outside casing pipe pressure is applied to inner casing pipe surface by blasting elongated gas-generating charge, wherein shape, amplitude and pressure pulse duration provide plastic casing pipe expanding to reach well dimensions. Pressure is transmitted to well liquid, which results in productive formation fracturing and following casing pipe parting.

EFFECT: increased output from oil or gas wells.

3 dwg