Investigating the Feasibility of CO2-EOR and Storage in Oilfields along the West African Transform Margin

Investigating the Feasibility of CO<sub><strong>2</strong></sub>-EOR and Storage in Oilfields along the West African Transform Margin
Authors : Isaac Klewiah, Rashid Shaibu, Catherine Cobbah, Samuel Wilson Asiedu
Publication Date: 14-03-2017


Author(s):  Isaac Klewiah, Rashid Shaibu, Catherine Cobbah, Samuel Wilson Asiedu

Published in:   International Journal of Engineering Research & Technology

License:  This work is licensed under a Creative Commons Attribution 4.0 International License.

Website: www.ijert.org

Volume/Issue:   Volume. 6 - Issue. 03 , March - 2017

e-ISSN:   2278-0181


Most Oilfields along the West African transport margin are estimated to span close to 20 years of continuous production before abandonment, with some few fields expected to produce close to 40 years. It is important for the local oil companies and operators to investigate means to attain maximum oil production from these fields when they enter middle and late development stages of production life. Moreover, the recent dip in oil prices has arguably brought many discovery operations to standstill worldwide, with majority of oil operators focusing on how to improve oil recovery from already-existing fields. This study is aimed at assessing the future potential of executing Carbon Dioxide Enhanced Oil Recovery, popularly called CO2-EOR and CO2 storage in the region based on the available data of known reservoirs along the West African Transform Margin (WATM). This research entails an overview of the regional makeup of the WATM, reservoir screening for CO2 enhanced oil recovery, EOR potential of the reservoirs and CO2 storage potential. This work reveals that CO2-EOR and CO2 storage has a bright application potential in selected large fields along the Transform Margin and recommends its consideration by decision makers and industry operatives in the sub region. A decision tree is finally designed to assist in the screening of reservoirs for CO2-EOR and CO2 storage along the WATM.


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