Modeling of Gel-Acid Injection for Optimizing the Acidizing Process and Comparing It with Core Injection Experimental Data: Case Study in One of Iranian Southwest Oilfields
Publish Year: 1400
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_IJOGST-10-4_007
تاریخ نمایه سازی: 5 اردیبهشت 1401
Abstract:
Nowadays, use of visco-elastic surfactants as the main component of gel diverters is becoming more and more common among well completion engineers, as well as stimulation service companies. Gel diverter, as other kinds of diverters, is used in multi-layered carbonated reservoirs to diver acid into less permeable sublayer. As use of these materials becomes more common, modeling and simulating the gel-acid injection process becomes more required. In this study, a mathematical model is generated to simulate gel-acid injection process, and experimental data is compared with data predicted by the model. The purpose of this study is to investigate the field possibility of injection gel-acid and to generate a model for simulating this process, in order to smart permeability enhancement in Ahwaz oilfield, one of Iranian Southwest oilfields. The solutions predicted by model are in an acceptable correlation with experimental data. The generated model can be used for other multi-layered carbonated oilfields.
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Authors
Abdorrahman Mehri Ghahfarrokhi
Reservoir Studies Department, Iranian Offshore Oil Company, Tehran, Iran
Hassan Shokrollahzadeh Behbahani
Faculty of Petroleum Engineering, University of Ahwaz.
Ezzatollah Kazemzadeh
Research Institute of Petroleum Industries, Tehran, Iran
Gholam Abbas Safian
National Iranian South Oil Company, Ahwaz, Iran