An Integrated approach for Assessment of Insitu Scale deposition Risk during Waterflooing in a Giant Carbonate Field, Offshore Abu Dhabi

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Abu Dhabi International Petroleum Conference and Exhibition

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Tariq, Syed M.; Samad, Saleh A.; Ben Aouda, Abdel Hakim; Afzal, Muhammad; Bengherbia, Mourad; Graham, Gordon Michael
Society of Petroleum Engineers (SPE); Society of Petroleum Engineers
Mining Engineering
conference paper description
A common flow assurance problem during waterflooding operations is the deposition of mineral scale due to mixing of incompatible brines. Deposition of mineral scale can occur anywhere in the production system (reservoir, near wellbore, wellbore, surface facilities) if certain conditions for deposition of scale are present (composition of mixed brine, dynamics of mixing, pressure, temperature and kinetics). Understanding where and how scale will deposit and its impact on production and operations is important especially for the mega offshore field development projects which use new generation of high value wells (long/multi laterals, MRC) associated downhole equipment (ICD, ICV, etc) and surface facilities. In this paper, we present a systematic approach to assessing the scale deposition risk with an example of the application to a giant carbonate field, offshore Abu Dhabi. Copyright 2012, Society of Petroleum Engineers.