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AuthorHamza A.
AuthorHussein I.A.
AuthorAl-Marri M.J.
AuthorMahmoud M.
AuthorShawabkeh R.
AuthorAparicio S.
Available date2022-04-25T10:59:45Z
Publication Date2021
Publication NameJournal of Petroleum Science and Engineering
ResourceScopus
Identifierhttp://dx.doi.org/10.1016/j.petrol.2020.107685
URIhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85088953186&doi=10.1016%2fj.petrol.2020.107685&partnerID=40&md5=7b58291a5639a54e9fcedda724b1bee0
URIhttp://hdl.handle.net/10576/30397
AbstractIncreasing CO2 emissions and global warming side effects have prompted the researchers to look for safe and reliable storage sites that have high capacity. Among the available CO2 capturing sinks, depleted gas reservoirs have high potential to sequester CO2. Depleted conventional and unconventional gas reservoirs have large pore space after natural gas production and pressure reduction. Moreover, their ability to store hydrocarbons for many years inside the sealed reservoir with impermeable cap rocks provides safer options than saline aquifers or other geological traps. Incremental recovery of residual natural gas after injecting CO2 could decrease the cost of the process. This review highlights the efforts made to investigate the CO2 adsorption/desorption for EGR applications under typical reservoir conditions in conventional depleted sandstone and carbonate reservoirs. Moreover, it analyzes the advances in CO2-EGR in unconventional resources such as coal beds and shale to extract the knowledge from these reservoirs. In addition, various factors that control the displacement efficiency of natural gas by injecting CO2 and the consequent influence of CO2 on rock integrity are discussed. Nanoscale basis of CO2-EGR using multiscale molecular simulation that could improve the design and operational conditions for CO2-EGR operations is overviewed. Furthermore, this article assesses the ecological and economic impact of storing CO2 in different types of reservoirs. Field pilot tests, as well as challenges in the application of the CO2-EGR technique, are also covered.
SponsorThe authors would like to acknowledge the support of Qatar National Research Fund (a member of Qatar Foundation) through Grant # NPRP10-0125-170235 . The findings achieved herein are solely the responsibility of the authors.
Languageen
PublisherElsevier B.V.
SubjectAquifers
Coal deposits
Gas industry
Gases
Global warming
Hydrogeology
Natural gas
Natural gas well production
Petroleum reservoirs
Resource valuation
Depleted gas reservoir
Different types of reservoirs
Displacement efficiency
Ecological and economic
Enhanced gas recoveries
Natural-gas production
Operational conditions
Unconventional resources
Carbon dioxide
cap rock
carbon dioxide
carbon sequestration
hydrocarbon reservoir
natural gas
TitleCO2 enhanced gas recovery and sequestration in depleted gas reservoirs: A review
TypeArticle Review
Volume Number196
dc.accessType Abstract Only


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