Mathematical Modeling of the Process of Perforation with a Hydraulic Drilling Perforator during Oil and Gas Field Development

This paper presents a mathematical model of a hydraulic drilling perforator, which takes into account the effect of the reciprocating movement of the drill mounted on a flexible shaft, as well as the effect of the physical and mechanical properties of reservoirs, on the operation processes. The transition process during channel perforation by a hydraulic drilling perforator is modeled. The calculation results for the mathematical model of a hydraulic drilling perforator demonstrate that due to the concurrent use of both rotational and reciprocating movement of the drill mounted on a flexible shaft, it is possible to reduce the time spent for the perforation of a single channel in a productive formation by a drilling perforator by up to 90%