Modified Gas Condensate Down-hole PVT

Johnson Ugwu, Edward Mason, Edward Gobina

Research output: Contribution to conferencePaper

Abstract

In this investigation some widely used correlations for gascondensate PVT properties were subjected to validation test, and were found to be inadequate for prediction of condensate down-hole PVT properties below the saturation pressure. The error margins associated with the use of some of these correlations for predicting condensate compressibility factor, density and viscosity were at levels unacceptable for engineering calculations. The new correlations include Eqs. (1), (4) and (22) for condensate compressibility factor, density and viscosity respectively. The modified correlations were tested and validated against large experimental measured database. The results showed a superior performance of the modified to the existing correlations in comparison with measured database. The novelty of this investigation is the demystification of the perplexing fluid PVT properties phase behaviour which is a barrier to accurate well deliverability modelling in gas condensate reservoirs.

Conference

ConferenceInternational Symposium on Models and Modeling Methodologies in Science and Engineering, in the context of the 15th World Multi-Conference on Systemics, Cybernetics and Informatics
Abbreviated titleMMMSE 2011, WMSCI 2011
CountryUnited States
CityFlorida
Period19/07/1122/07/11
Internet address

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    Ugwu, J., Mason, E., & Gobina, E. (2011). Modified Gas Condensate Down-hole PVT. Paper presented at International Symposium on Models and Modeling Methodologies in Science and Engineering, in the context of the 15th World Multi-Conference on Systemics, Cybernetics and Informatics, Florida, United States. http://www.iiis.org/CDs2011/CD2011SCI/MMMSE_2011/PapersPdf/NB519ZQ.pdf