Decision making with uncertainty while developing multiple gas/condensate reservoirs

C. S. Kabir, Sheldon Gorell, M. E. Portillo, A. S. Cullick

Research output: Contribution to conferencePaperpeer-review

Abstract

Well-developed methodology exists for handling uncertainty for a single reservoir. However, development of multiple fields presents significant challenge when uncertainty in large number of variables, such as gas-in place and liquid yield, occur in each reservoir. Some of the challenges stem from our need to forecast the system behavior involving a coupled reservoir/wellbore/surface (CRWS) network for the entire spectrum of variables so that facilities can be designed for the range of fluid composition and throughput. Of course, assessing well count and sequencing well drills are some of the important objectives. This paper describes probabilistic production forecasting with a compositional CRWS network model for nine reservoirs involved in delivering gas supply to a LNG plant in Nigeria. Our main objective was to use an economic indicator to select optimal design of two main pipelines, each transporting 200 and 300 MMscf/D from the two production platforms, located 15- and 5-km, resp
Original languageEnglish
StatePublished - Dec 1 2005

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