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   an overview of challenges and errors in sampling and recombination of gas condensate fluids  
   
نویسنده osfouri shahriar ,azin reza
منبع journal of oil, gas and petrochemical technology - 2016 - دوره : 3 - شماره : 1 - صفحه:1 -14
چکیده    A proper understanding of reservoir fluid phase behavior is the first crucial step in the development and production of an oil/gas field. this paper addresses the challenges and errors associated with the fluid sampling that may arise before, during and after the sampling operation. for this aim, dst and pvt data of exploration and production wells of a supergiant offshore gas condensate reservoir were analyzed. it was found that well conditioning and flow stability are essential before sampling. the main sources of error during the sampling include separator instability, lack of vaporliquid equilibrium, volume ratio of separator outlets, and the presence of contaminants. analysis of separator outlet streams further indicated deviation from equilibrium for some wells, which can have direct impact on dewpoint pressure and condensate gas ratio (cgr) prediction of well stream. improper fluid handling, oil and gas leakage, and the presence of corrosive compounds can severely affect the quality of the recombined fluid.
کلیدواژه sampling ,recombination ,gas condensate ,separator ,equilibrium
آدرس persian gulf university, faculty of oil, gas, and petrochemical engineering, department of chemical engineering, ایران, persian gulf university, faculty of oil, gas, and petrochemical engineering,, department of petroleum engineering, ایران
پست الکترونیکی reza.azin@pgu.ac.ir
 
     
   
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