Integrated modeling as a tool to increase the development efficiency of the multilayer oil-gas-condensate field

UDK: 622.276.1/.4.001.57
DOI: 10.24887/0028-2448-2019-12-52-55
Key words: integrated modeling, gas fields development, condensate, gas cap, well model, surface network, facility system, gas pipeline, project value
Authors: E.V. Bogdanov (Gazpromneft NTC LLC, RF, Saint-Petersburg), I.L. Chameev (Gazpromneft NTC LLC, RF, Saint-Petersburg), D.A. Reshetnikov (Gazpromneft NTC LLC, RF, Saint-Petersburg), I.V. Perevozkin (Gazpromneft NTC LLC, RF, Saint-Petersburg), A.V. Tkachuk (Gazpromneft-Yamal LLC, RF, Tyumen), A.N. Shorokhov (Gazpromneft-Razvitie, LLC, RF, Saint-Petersburg)

The article presents the experience and results in constructing a full-scale integrated (reservoir - well - infrastructure) model of a large oil-gas-condensate field, including a set of models of oil rims and gas caps for the main objects of development, gas reservoirs , models of wells and downhole equipment, as well as model of the surface network system for collecting and transporting products to the central processing unit and the gas re-injection system from the gas compressor station of the gas processing facility. The objective of this article is the coverage of the results of creating a full-scale integrated model of gas reservoirs and gas caps of the field. The task including creating, history matching and integration of the reservoir models with surface facility system, the elimination of “bottlenecks” in the gas facility network system and the determination of the optimal solution to the problem of hydrocarbon production (oil production from oil rims and gas production from gas caps and dry gas formations together). Conducted integrated calculations allowed us to consistently identify and minimize the risks associated with the geological potential of productive formations and throughput capacity of the gas pipeline system in the early stages of project development, which leads to an increase in the value of the project. In addition, up-side cases for optimizing the business case were calculated on an integrated model, which increased potential gas and condensate production and the value of the project.


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