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All Journal JOURNAL OF EARTH ENERGY ENGINEERING
Samba, mohammed Alsharif
UIR PRESS
Earth & Planetary Sciences Energy Engineering Materials Science & Nanotechnology

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Literature Review of Water Alternation Gas Injection Samba, mohammed Alsharif; Elsharafi, Mahmoud Omran
Journal of Earth Energy Engineering Vol 7 No 2 (2018): OCTOBER
Publisher : Pekanbaru Riau: Program Studi Teknik Perminyakan FT Universitas Islam Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (654.613 KB) | DOI: 10.25299/jeee.2018.vol7(2).2117

Abstract

The Water Alternating Gas (WAG) process is a cyclic method of injecting alternating cycles of gas followed by water and repeating this process over a number of cycles. WAG injection is to improve oil recovery, by both increasing the macroscopic and microscopic sweep efficiency and to help maintain the reservoir pressure. Also, WAG injection is to postpone the gas breakthrough. The WAG process provides mobility control in fast zones which extends gas project life and oil recovery. This paper provided a comprehensive literature study about  WAG injection. This  paper has collected most of the requirements of the petroleum engineers that has to know about the WAG injection started from basic concepts until the design parameter for WAG injection.   Keywords: Enhanced oil recovery, WAG injection  
A New EOR Technology: Gas Alternating Gas Injection Samba, Mohammed Alsharif; Aldokali, Ibrahim; Elsharaf, Mahmoud Omran
Journal of Earth Energy Engineering Vol 8 No 1 (2019): APRIL
Publisher : Pekanbaru Riau: Program Studi Teknik Perminyakan FT Universitas Islam Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (487.356 KB) | DOI: 10.25299/jeee.2019.vol8(1).2354

Abstract

A new method of enhanced oil recovery has been developed and applied to a simulation using some of data from the fifth SPE paper " template from CMG ". The simulator was used in this paper is GEM in the Computer Modelling Group (CMG) advanced equation-of-state (EOS) compositional simulator. The new method is called Gas alternating gas injection(GAG). The Gas Alternating Gas process is a cyclic method of injecting alternating cycles of gas followed by gas and repeating. Sensitivity analysis showed this method can give a much better recovery factor for GAG compared with single continues gas injection. GAG benefits that will give low water cut and high oil recovery due to gas segregation between two gases and that will prevent heavier gas to go the top layers. This work indicate that the GAG injection is an economic method compared with continues injection. Especially when we use GAG (Air + CO2).  
Co-Authors Aldokali, Ibrahim Elsharaf, Mahmoud Omran Elsharafi, Mahmoud Omran