The economic evaluation of oil and gas projects aims to provide decision-makers with a comprehensive estimate of costs and benefits. This research investigates the impact of macroeconomic variables, including interest rates and inflation, on the economic assessment of constructing several gas wells in northeastern Iran. The theoretical framework encompasses Net Present Value, Internal Rate of Return, and Payback Period. Initially, the planning of activities and analysis of the construction and operational phases of the project were conducted. The inflation rate was forecasted using the ARIMA model, and an appropriate discount rate was determined. Additionally, the study examined the pricing of gas and condensates, as well as fixed and variable costs and project revenues. The economic evaluation was performed using COMFAR software and included sensitivity analysis to assess the effects of changes in key assumptions. The results demonstrate that the project\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'s financial metrics are positive across various production rates, discount rates, inflation rates, and energy prices, confirming its economic viability. This evaluation can enhance Iran\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'s position in the global gas market, contribute to local job creation, and stimulate national revenue growth, thereby supporting the country\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'s economic development. Furthermore, the findings are significant for managers and policymakers, enabling better prioritization of investments and assessment of projects under varying economic conditions through improved forecasting models and comprehensive sensitivity analyses.

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