(2015033) EVALUATION OF THE PRODUCTIVITY OF VERTICAL OIL WELLS BY USING DIFFERENT KINDS OF PERFORATING HIGH SHOT DENSITY (HSD) GUNS
This work explains how to evaluate the different perforation parameters of the production vertical oil wells by using both reservoir and perforation information. We collected the necessary data from Hungarian oil wells including reservoir description data from the MOL Company files. We also collected the perforating guns data from the Schlumberger Company. We used four perforating HSD guns with different charge and explosive load design.
We used a calculation method to determine the perforation depth, the influence of the different composite skin effect (damage skin factor, crushed zone skin factor, and the perforation skin factor), than we evaluate the flow rate of the different kind of guns. After giving the detailed figures and results, we evaluate the results of the perforation work. In conclusion, Hungarian oil wells will improved their productivity by using high shut density guns. Flow rate evaluation needs a good knowledge of rock properties, and flow properties.