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Generation of a Compositional Model to Simulate EOR Processes for the Complex Fluids System of the Carito-Mulata Field, Venezuela by F. Rodríguez; L. López G.; J. Bello; F Skoreyko is a scholarly article available to read on EtoBox.

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## Abstract The Carito-Mulata field is located in eastern Venezuela. This field is ranked as a giant oil producer because of its 240,000 STB/D current oil production and its 6.5 MMMSTB original oil in place. It is possible to observe a significant compositional gradient from seventy-five fluid samples taken at different depths, over a column of fluids of approximately 4000 feet thick. This complex system changes from a gas condensate at the top to an under saturated black oil down the flank. The depth of the Gas-oil contact is estimated at 14,040 feet. The Carito-Mulata field has been operated and characterized traditionally in four blocks (Central, West, North and South). The fundamental goal of this study is to establish a compositional model that can represent areally and vertically the complex fluid system using an Equation of State (EOS), which represents a big challenge considering the huge number of laboratory experiments. This EOS will be used for EOR simulations under gas and nitrogen injection processes. The Peng-Robinson EOS was used to match the PVT experiments. Included in the matching parameters was the variation of the saturation pressure of the gas condensate due to

Author

F. Rodríguez; L. López G.; J. Bello; F Skoreyko

Publisher

SPE

Published

2007

Language

EN