Production Performance Comparison of Vertical and Horizontal Wells in Tight Gas Condensate Reservoir with and without Dry Gas Injection |
Abstract |
| In this study, the comparison of dry gas injection for vertical and horizontal production well scenarios are investigated by means of conducting a reservoir simulation study for a tight condensate gas reservoir. In order to conduct this study a reservoir pattern has been defined. The selected reservoir pattern is 420×420 m in areal extend and 50 m in thickness. All of the necessary reservoir rock properties, and fluid specifications together with reservoir fluid compositions have been determined considering the data available in the literature. A professional reservoir simulation computer program has been utilized for the realization of this study. The well directional trajectories are determined through a dedicated drilling and completion study. The study proved that horizontal wells are much effective in drainage mechanisms in comparison to vertical wells by the fact that dry gas being able to efficiently reach to horizontal drain sections to prevent condensation of oil in the formation for gas condensate reservoirs. The literature contains research on influence of horizontal well on the retardation of the oil condensation inside the gas condensate reservoirs. This research study is conducted to fill the gap in literature in relation to comparison of the well performance of the vertical and horizontal wells during the dry gas injection.
Keywords: reservoir engineering, drilling engineering, gas condensate reservoirs, horizontal wells, reservoir simulation |
