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Gas Condensate Wells Simulation to Optimize Well Flow Performance Using Tubing Equations Coupled with Inflow-Performance-Relation (IPR) Curve

DOI: 10.4236/oalib.1104590, PP. 1-17

Subject Areas: Software Engineering, Chemical Engineering & Technology, Mechanical Engineering, Mineral Engineering

Keywords: Bottomhole Pressure, Inflow Rate, IPR Curve, Wellhead Data, Gas Condensate Well

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Abstract

Wells performance is evaluated by IPR curves that show the relationship between bottomhole pressure and inflow rate. This curve and its outcome equation can be applied for production schedule and maintenance management of well and reservoir. But, the measuring of bottomhole pressure to approach these curves needs much time and high expenses and also running special tools in wells. In these operations, the probability of catastrophic failure such as well damage or well complete lost may exist. However, these difficulties in offshore wells like production platform in the South Pars gas field that are installed tens kilometers far from lands are harder than any places. Therefore, nowadays by considering these difficulties, there is a high tendency for using wellhead test data that are very inexpensive as well as these data are less accurate than in well data. Moreover, pressure drop due to the existence of gas condensate in well fluid causes the flow regime to be more complicated. Wide researches have been applied to two-phase flow pressure drop in the wellbore and a lot of equations are considered. Anyhow, these equations and their accuracy should be studied in each special case. In this study that is on the south Pars gas condensate field wells, widespread of equations are utilized for calculation of pressure drop in the tubing and they are applied for tubing performance curve as well. In the south pars field wells, the well data of bottomhole pressure are not being measured during production. In this paper, we try to calculate bottomhole pressure by using PIPESIM software and simulating reservoir fluid and wellbore. For calculating this pressure, with the combination of effective conditions, the best equation of flow regime in that well will be selected. Eventually, by simulation of the reservoir fluid, different parameters like in well performance and proper tubing size is calculated.

Cite this paper

Bakyani, A. E. , Rasti, A. , Qazvini, S. and Esmaeilzadeh, F. (2018). Gas Condensate Wells Simulation to Optimize Well Flow Performance Using Tubing Equations Coupled with Inflow-Performance-Relation (IPR) Curve. Open Access Library Journal, 5, e4590. doi: http://dx.doi.org/10.4236/oalib.1104590.

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