Abstract
The paper considers mechanisms of well production increase by applying thermal-gas-chemical impact or liquid explosive injection in a pay zone. We have introduced the computing model for thermal-gas-chemical impact process for thoroughly investigation of different contribution on well post production. Numerical calculations of thermal effects on formation heating of particular well during thermal-gas-chemical impact showed that utilized explosive slug simply cannot cause actual increase of production rates and observed effect duration. Then we analyzed the contribution of pay zone cleaning from asphaltene, tar and paraffin precipitations. And finally the mechanism of micro fractures network formation was discussed. Assessments of required explosive concentrations and microfracturing parameters in thermal-gas-chemical impact were performed.
