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Everyone who works in the oil and gas industry wants to keep capital and operating costs down while also increasing cumulative oil production in the most cost-effective way for the whole field. There must be a logical consideration of all of the field’s production systems, from the subsurface to its surface facilities, in order for true production optimization to take place. As a result, when an oil well does not flow on its own, an assisted lifting system must be used. Gas lift is one of the few artificial lift systems that can start up a well and keep it going for a long time. Gas lift works by lowering the hydrostatic pressure inside the production tubing by injecting lighter fluid into the annulus, which is the space between the production tubing and the well. Integrated production modeling is very important for well performance analysis and for optimizing the production system. It offers a way of assessing the effects of changes by looking at each individual aspect and how they work together in the field. This paper considers a best practice workflow that was used in an integrated production-modeling project. When creating a surface network model, steps can be taken to make it faster. They also show how to ensure the model is accurate. The main goals of this work were to speed up the development of a model that could be used for investigating the well flow in advanced stacked watercourse sand systems and to look for ways to increase production. The model is built and compared to real-world data, and then, the best fluid and well production correlations are chosen for the model and for the data. The use of this model will help improve production and clarify how the whole production system works. Full article