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- W2086878978 abstract "Abstract Hamaca project is a large resource base producing Extra Heavy Crude Oil from the Orinoco belt of Venezuela. The project is operated by Petrolera Ameriven, an operating agent owned by ConocoPhillips, ChevronTexaco, and Petróleos de Venezuela, S.A. (PDVSA). Primary production started in September 2001 from a few horizontal wells; development drilling will continue over the next 34 years to maintain a production plateau of 190,000 bopd of cold production. The subsurface challenges involve building a representative reservoir model on a very fine scale to honor a very heterogeneous system over a large area, wide variations in temperature across the field and their effect on oil viscosities, vertical and lateral variations in oil properties and fluid pressure, upscaling the model sufficiently to be capable of running the dynamic model on available computer hardware and software. The model is calibrated using the short Hamaca production history (less than 2 years), and is then used to predict the performance of development scenarios containing hundreds of horizontal wells to be drilled in the future. The paper discusses the challenges of selecting suitable modeling methodologies, of matching the limited historical production data, of modeling the influence of production in adjoining fields, of populating the model with hundreds of wellpaths for future horizontal wells, and of conducting sensitivity analyses to evaluate the effect on production forecasts of uncertainties in some key reservoir parameters." @default.
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- W2086878978 date "2004-03-16" @default.
- W2086878978 modified "2023-09-25" @default.
- W2086878978 title "Subsurface Challenges in Reservoir Modeling for Hamaca Project" @default.
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- W2086878978 doi "https://doi.org/10.2118/86971-ms" @default.
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