Difference between revisions of "PVT tool"
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Revision as of 13:28, 7 April 2017
Short Description
PVT tool calculates properties of oil, gas and water for oil or gas wells using a set of black-oil correlations.
Main features
- Plots of PVT properties vs pressure at reservoir temperature.
- Output section contains values under reservoir conditions.
- Results section contains values under standard conditions and at pressures between surface atmospheric and reservoir at reservoir temperature
Interface features
- "Default values" button resets input values to the default values.
- Switch between Metric and Field units.
- Save/load models to the files and to the user’s cloud.
- Export pdf report containing input parameters, calculated values and plots of the PVT properties.
- Share models to the public cloud or by using model’s link.
- Continue your work from where you stopped: last saved model will be automatically opened.
- Download the chart as an image or data and print (upper-right corner chart’s button).
- Export results table to Excel or other application.
References
| Property | Correlation | Reference |
|---|---|---|
| Bubble point | Valco - McCain | Valkó, P.P. and McCain, W.D. Jr . 2003. Reservoir oil bubblepoint pressures revisited; solution gas–oil ratios and surface gas specific gravities. J. Pet. Sci. Eng. 37 (3–4): 153-169. |
| Gas-oil ratio | Velarde | Velarde, J., Blasingame, T.A., and McCain Jr., W.D. 1997. Correlation of Black Oil Properties At Pressures Below Bubble Point Pressure - A New Approach. Presented at the Annual Technical Meeting of CIM, Calgary, Alberta, 8–11 June. PETSOC-97-93. |
| Oil density | McCain | W.D. McCain, Jr, N.C. Hill: Correlations for Liquid Densities and Evolved Gas Specific Gravities for Black Oils during Pressure Depletion, SPE, 30773, 1995. |
| Oil FVF | McCain | W.D. McCain, Jr: The Properties of Petroleum Fluids, Second edition, Tulsa, Oklahoma, 1990. |
| Oil viscosity | Beggs - Robinson | Vazquez, M. and Beggs, H.D. 1980. Correlations for Fluid Physical Property Prediction. J Pet Technol 32 (6): 968-970. SPE-6719-PA. |
| Oil compressibility | Farshad | Frashad, F., LeBlanc, J.L., Garber, J.D. et al. 1996. Empirical PVT Correlations For Colombian Crude Oils. SPE-36105-MS. http://petrowiki.org/Calculating_PVT_properties |
| Z factor | Dranchuk | Dranchuk, P.M. and Abou-Kassem, H. 1975. Calculation of Z Factors For Natural Gases Using Equations of State. J Can Pet Technol 14 (3): 34. PETSOC-75-03-03. |
| Gas density | Standard equation | http://petrowiki.org/Gas_formation_volume_factor_and_density |
| Gas FVF | Standard equation | http://petrowiki.org/Gas_formation_volume_factor_and_density |
| Gas viscosity | Lee | Lee, A.L., Gonzalez, M.H., and Eakin, B.E. 1966. The Viscosity of Natural Gases. J Pet Technol 18 (8): 997–1000. SPE-1340-PA. |
| Gas compressibility | Standard equation | http://petrowiki.org/Isothermal_compressibility_of_gases |
| Water density | McCain | McCain Jr., W.D. 1991. Reservoir-Fluid Property Correlations-State of the Art. SPE Res Eng 6 (2): 266-272. SPE-18571-PA. |
