Experimental and Simulation Constructing of Phase Diagram and Quality Lines for a Lean Gas Condensate Reservoir Fluid

Document Type: Research Note

Authors

1 Research Institute of Petroleum Industry (RIPI), Tehran, I.R. IRAN

2 National Iranian Oil Company, Tehran, I.R. IRAN

Abstract

Constructing phase diagram and its subsequent quality lines for lean gas condensate reservoirs is always crucial and challenging topic in reservoir fluid studies. Due to small amounts of liquid drop-outs in lean gas condensates at reservoir conditions, full experimental tracking of phase diagram and its relevant quality lines is almost impossible for lean gas condensates.On the other hand, EOS models of reservoir fluid characterization softwares are always unable to estimate condensed liquid drop-outs at different pressures and temperatures precisely. This study aims to present a commingled experimental-simulation method which was designed to pinpoint and keep track full phase diagram with correspondent quality lines for a lean gas condensate fluid.

Keywords

Main Subjects


[1] Shi Li, Kai Luo, Xitan Zheng, Gang Chen, Ning Liu, Wenyue Sun ; "Experimental Investigation into Revaporization of Retrograde Condensate", Society of Petroleum Engineering(SPE), 67283-MS:13-18 (2001).

[2] Fang,Yisheng. Li.Boazhu. Hu.Yongle. Sun.Zhidao. Zhu.Yuxin; "Condensate Gas Phase Behavior and Development", Society of Petroleum Engineering (SPE), 50925-MS:2-11 (1998).

[3] Li Fan, Billy Harris, A.(Jamal) Jamaluddn, Jairam Kamath, Robert Mott, GrayA.Pope, Alexander Shandrygin, Curtis Hays Whitson, "Understanding Gas-Condensate Reservoirs", Oil Field Review, Schlumberger; Winter (2005/2006).

[4] Ahmed T.H., "Comparative Study of Eight Equations of State for Predicting Hydrocarbon Volumetric Phase Behavior", SPE Reservoir Engineering. 3:337–348 (1988).

[5] Sarkar R., Danesh A., Todd A.C., Phase Behavior Modelling of Gas Condensate Fluids Using An Equation of State, "SPE22714, 66th Annual Technical Conference and Exhibition of the SPE", Dallas, Texas, (1991).

[6] Wang P., Pope G.A., Sepehrnoori K., Development of Equations of State for Gas Condensates for Compositional Petroleum Reservoir Simulation, In Situ, 24: 183-217 (2000).

[7] Bang V., "Phase Behavior Study of Hydrocarbon-Water-Alcohol Mixtures", B.Sc.Thesis, Austin, Texas: The University of Texas at Austin, (2005).

[8] Kai Luo, Shi Li, Xitan Zheng, Henian Liu, TaixianZhong, Yuxin Zhu, "Phase Behavior of Highly Waxy Gas Condensate Systems", Society of Petroleum Engineering (SPE), 68228 MS:6-14 (2001).

[9] JawadAzeem-Shaikh. PashupatiSah, "Experimental PVT Data Needed to Develop EOS Model for EOR Projects",  Society of Petroleum Engineering (SPE), 144023-MS:17-33 (2011).

[10] Li. Yau-Kun,Nghiem, "The Development of a General Phase Envelope Construction Algorithm for Reservoir Fluid Studies", Society of Petroleum Engineering (SPE), 11198-MS:5-11 (1982).