PRODUCTION RATE EFFECT ON RELATIVE PERMEABILITY CURVES IN AN IRANIAN NATURALLY FRACTURED CONDENSATE RESERVOIR

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SHAFIEE M.; HAGHIGHI M.; DANESH A.

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Journal: Year:2004 | Volume:37 | Issue:4 (82) Page(s): 335-346

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Title

PRODUCTION RATE EFFECT ON RELATIVE PERMEABILITY CURVES IN AN IRANIAN NATURALLY FRACTURED CONDENSATE RESERVOIR

Author(s)

SHAFIEE M. | HAGHIGHI M. | DANESH A. | Issue Writer Certificate

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Abstract

In conventional reservoir simulators, relative permeability curves are usually corrected for different values of surface tension using Coats correlation. Based on a research work in Heriot-Watt University, it was concluded that high rates near well bore in condensate reservoirs cause the enhancement of relative permeability of condensates and gas. It was also suggested to consider capillary number instead of surface tension for correction of relative permeability curves. Also, in condensate reservoirs, in contrary to dry gas reservoir, the negative effect of inertia (defined as skin factor) is not constant but it is a function of rate.In order to study the above phenomenon in a reservoir scale, a fractured condensate reservoir in Nar field was selected. The modeling of reservoir fluid was first constructed using an equation of state and then, relative permeability curves were obtained and corrected for surface tension only. By the reservoir simulation using Eclipse-100, we were able to obtain a good match between pressure drop versus rate in simulation and a pressure-flow test in one of the wells. Using In conventional reservoir simulators, relative permeability curves are usually corrected for different values of surface tension using Coats correlation. Based on a research work in Heriot-Watt University, it was concluded that high rates near well bore in condensate reservoirs cause the enhancement of relative permeability of condensates and gas. It was also suggested to consider capillary number instead of surface tension for correction of relative permeability curves. Also, in condensate reservoirs, in contrary to dry gas reservoir, the negative effect of inertia (defined as skin factor) is not constant but it is a function of rate.In order to study the above phenomenon in a reservoir scale, a fractured condensate reservoir in Nar field was selected. The modeling of reservoir fluid was first constructed using an equation of state and then, relative permeability curves were obtained and corrected for surface tension only. By the reservoir simulation using Eclipse-100, we were able to obtain a good match between pressure drop versus rate in simulation and a pressure-flow test in one of the wells. Using

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APA: Copy

SHAFIEE, M., HAGHIGHI, M., & DANESH, A.. (2004). PRODUCTION RATE EFFECT ON RELATIVE PERMEABILITY CURVES IN AN IRANIAN NATURALLY FRACTURED CONDENSATE RESERVOIR. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), 37(4 (82)), 335-346. SID. https://sid.ir/paper/14559/en

Vancouver: Copy

SHAFIEE M., HAGHIGHI M., DANESH A.. PRODUCTION RATE EFFECT ON RELATIVE PERMEABILITY CURVES IN AN IRANIAN NATURALLY FRACTURED CONDENSATE RESERVOIR. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN)[Internet]. 2004;37(4 (82)):335-346. Available from: https://sid.ir/paper/14559/en

IEEE: Copy

M. SHAFIEE, M. HAGHIGHI, and A. DANESH, “PRODUCTION RATE EFFECT ON RELATIVE PERMEABILITY CURVES IN AN IRANIAN NATURALLY FRACTURED CONDENSATE RESERVOIR,” JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), vol. 37, no. 4 (82), pp. 335–346, 2004, [Online]. Available: https://sid.ir/paper/14559/en

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