Journal of the Korean Society of Mineral and Energy Resources Engineers ISSN:2288-0291(Print) 2288-2790(Online) 한국자원공학회지

This paper presents results of analysing the drill stem tests(DST) which were conducted three times at fractured basement and sediments of well HY-1 respectively. In order to interpret them, firstly, interpretation model is identified and secondly using the selected reservoir model the reservoirs are characterized with commercial model of PanSystemTM. From DST#1 of well HY-1 in fractured basement, it is found that the hydraulically fractured well model is the most optimum one among the dual-porosity model, dual-permeability model and hydraulically fractured well model. The result of automatic type curve matching by identified analysis model shows characteristics of fracture and main fracture interval connected at well. In DST performed in the Miocene and the Oligocene of sediment, radial homogeneous model is selected as analysis model. From the result of automatic type curve matching with optimum model, it is assumed that there exists a local barrier like fault as well as limited fracture source connected to main fracture system within radius of influence.