WATER CONING STUDY IN ONE OF THE IRANIAN GAS RESERVOIRS, PROBLEMS AND REMEDIAL TECHNIQUES

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JAFARI FARSHAD; Helalizadeh Abbas

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Seminar Paper

Paper Information

Seminar: NATIONAL CONFERENCE ON HYDROCARBON RESERVOIR ENGINEERING, SCIENCE AND RELATED INDUSTRIES
Year:2013 | Issue:2

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Title

WATER CONING STUDY IN ONE OF THE IRANIAN GAS RESERVOIRS, PROBLEMS AND REMEDIAL TECHNIQUES

Author(s)

JAFARI FARSHAD | Helalizadeh Abbas

Keywords

WATER CONING

CRITICAL RATE

PLUG IN

DWS

GAS RESERVOIR

Abstract

THE WATER CONING PHENOMENON USUALLY OCCURS IN WATER DRIVE RESERVOIRS. WATER CONING IN IRANIAN HYDROCARBON RESERVOIRS IS ONE OF THE MOST IMPORTANT PROBLEMS THAT AFFECTS THE CUMULATIVE PRODUCTION, OPERATION COSTS AND CAUSES ENVIRONMENTAL PROBLEMS. BEFORE PRODUCING FROM A RESERVOIR, THE FLUIDS ARE IN EQUILIBRIUM AND THEIR CONTACT SURFACES REMAIN UNCHANGED, BUT AFTER STARTING PRODUCTION FROM THE RESERVOIR, WHEN THE VISCOUS FORCE OVERCOME GRAVITATIONAL FORCE IN VERTICAL DIRECTION, CONTACT SURFACES WILL DISPLACE AND CONING WILL OCCUR. THEREFORE, THE PRODUCTION RATES WILL BE CONTROLLED IN A RANGE THAT PREVENTS ENTERING WATER TO THE PRODUCTION WELL. FOR THIS REASON, INVESTIGATION AND MODELING OF THIS PHENOMENON IS EXTREMELY NECESSARY. IN THIS STUDY, THE CONING PHENOMENON, CONTROLLING METHODS (I.E. BELOW CRITICAL RATE PRODUCTION, PLUG IN AND DWS TECHNOLOGY) AND PROBLEMS DUE TO CONING (SUCH AS INCREASE IN PRESSURE GRADIENT IN WELL, PERMEABILITY REDUCTION NEAR WELLBORE REGION AND INCREASE IN RESIDUAL GAS SATURATION) HAD BEEN STUDIED FOR ONE OF THE IRANIAN GAS RESERVOIRS. THE SIMULATION STUDY SHOWS THAT THE BEST CHOICE FOR WATER CONING CONTROLLING METHOD IN GAS RESERVOIRS, AT RATES ABOVE CRITICAL IS STRONG FUNCTION OF ALLOWABLE WATER PRODUCTION RATE IN DWS TECHNOLOGY; BUT A MORE SIMPLE AND EFFICIENT METHOD IN THESE CASES IS PLUG IN.

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APA: Copy

JAFARI, FARSHAD, & Helalizadeh, Abbas. (2013). WATER CONING STUDY IN ONE OF THE IRANIAN GAS RESERVOIRS, PROBLEMS AND REMEDIAL TECHNIQUES. NATIONAL CONFERENCE ON HYDROCARBON RESERVOIR ENGINEERING, SCIENCE AND RELATED INDUSTRIES. SID. https://sid.ir/paper/919719/en

Vancouver: Copy

JAFARI FARSHAD, Helalizadeh Abbas. WATER CONING STUDY IN ONE OF THE IRANIAN GAS RESERVOIRS, PROBLEMS AND REMEDIAL TECHNIQUES. 2013. Available from: https://sid.ir/paper/919719/en

IEEE: Copy

FARSHAD JAFARI, and Abbas Helalizadeh, “WATER CONING STUDY IN ONE OF THE IRANIAN GAS RESERVOIRS, PROBLEMS AND REMEDIAL TECHNIQUES,” presented at the NATIONAL CONFERENCE ON HYDROCARBON RESERVOIR ENGINEERING, SCIENCE AND RELATED INDUSTRIES. 2013, [Online]. Available: https://sid.ir/paper/919719/en

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