Drilling cost optimization during conceptual project phase of field development

Authors: V.А. Karsakov, S.V. Tretiakov (Gazpromneft NTC LLC, RF, Saint-Petersburg), S.S. Devyatyarov (Gazpromneft Novy Port LLC, RF, Tyumen), A.G. Pasynkov (Gazpromneft-Razvitie LLC Branch Messoyakha, RF, Tyumen)

Key words: well engineering, placing oil bushes, integrated design, conceptual design, complex design.

The article presents the experience of using complexity solution to conceptual engineering for development Messoyahskoye and Novoportovskoye fields at Gazprom Neft. Highlighted the importance of well construction phase and justified its significance growing due to technology development, increasing volume of "difficult reservoirs", high risks and etc.

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