Study on Development Strategy of HL Reservoir Air Injection Thermal Miscible Well Pattern

The increasing difficulty of reservoir development leads to poor effect of EOR measures, small waterflooding sweep area and difficult miscibility of gas injection, resulting in low ultimate recovery. Air injection thermal miscible enhanced oil recovery technology can solve the problem that miscibility cannot be realized in the process of gas injection. It has been carried out in the domestic experiment and reservoir research, and has laid a solid foundation for the development program design. In reservoir testing, new technologies are proposed and supported by development plan deployment. This paper compares different injection well patterns and spacing, discusses the recovery efficiency and stable production time, determines the suitable well pattern deployment, and analyzes the advantages and disadvantages of different well patterns, so as to provide reference for the same type of reservoir and provide ideas for the development of other reservoirs. Finally, increase the sweep volume and improve reservoir recovery.