Institutional Repository
Technical University of Crete
Technical University of Crete
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| URI: | http://purl.tuc.gr/dl/dias/7680C2C0-2426-4A21-804B-CE00328EE3D8 | ||
| Year | 2020 | ||
| Type of Item | Master Thesis | ||
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| Bibliographic Citation | Konstantina Kyriakogkona, "Sensitivity analysis of the PVT data accuracy to well performance", Master Thesis, School of Mineral Resources Engineering, Technical University of Crete, Chania, Greece, 2020 https://doi.org/10.26233/heallink.tuc.85305 | ||
| Appears in Collections |
Nowadays, computer simulation is the main tool of reservoir and/or production engineers to optimize production. For this task, a Pressure – Volume - Temperature (PVT) analysis must be conducted, a process that is not always feasible at early production stages. This is where black oil correlations come as the most viable solution to overcome the aforementioned obstacle.Numerous empirical formulae are available in all reservoir and well modeling software, whose utilization results to the prediction of PVT properties of a reservoir fluid. However there are two crucial questions regarding the use of black oil correlations that need to be answered. The main one is whether they are all characterized by the same accuracy in their predictions or not. In this sense, what must be done to assess their credibility is another thing that needs to be answered.Based on that, this thesis evaluates the prediction performance of the most well - known black oil correlations, against PVT measurements for different types of oil, before and after they were tuned against the available field data. These simulations were run using PROSPER, an industrial production and system analysis software. The results taken show that even for the simplest fluid, the utilized correlation should be selected properly, while the matching process on field PVT data is always recommended.
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