In a technical forum on SMART WATER INJECTION with the participation of technical experts of the Reservoir studies department and reservoir systems department of NISOC and ESTD CO, decisions were made on how to effectively implement this process in RETINA simulator. In this meeting, the technical study of SMART WATER INJECTION and LOW SALINITY from two points of view of software implementation and reservoir engineering were reviewed and the shortcomings of the existing industrial simulators were discussed. Finally, an appropriate decision was made on the quality of implementation of the aforementioned process in RETINA with the agreement of both sides.