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The purpose of this article is to select and justify the optimal contract model for one of the largest investment and construction projects of PJSC based on a preliminary assessment of the project under several alternative contracts. To achieve this goal, the following results were obtained: first, a classification of contracts for investment and construction projects (ICP) was developed, adapted to the specifics of the oil and gas business, second, the process steps for planning the contract model of oil and gas construction projects were formed, and third, a conclusion was made about the feasibility of using a particular contract model in terms of the project economy, its timing, the quality of decisions at each stage, and the risk management system.

Contract modeling of investment projects in the field of oil and gas construction