Evaluating the Transport Behavior of CO2ﾠFoam in the Presence of Crude Oil under High-Temperature and High-Salinity Conditions for Carbonate Reservoirs

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dc.citation.firstpage6038
dc.citation.issueNumber7
dc.citation.journalTitleEnergy Fuels
dc.citation.lastpage6047
dc.citation.volumeNumber33
dc.contributor.authorJian, Guoqing
dc.contributor.authorZhang, Leilei
dc.contributor.authorDa, Chang
dc.contributor.authorPuerto, Maura
dc.contributor.authorJohnston, Keith P.
dc.contributor.authorBiswal, Sibani L.
dc.contributor.authorHirasaki, George J.
dc.date.accessioned2019-08-12T17:16:51Z
dc.date.available2019-08-12T17:16:51Z
dc.date.issued2019
dc.description.abstractAn amine-based surfactant, Duomeen TTM, was evaluated for foam flooding in carbonate rock at high temperature (120 °C), high salinity (22% total dissolved solids), and CO2–oil miscible conditions. We demonstrate enhanced oil recovery by utilizing CO2 foam under miscible conditions in the presence of crude oil. The foam was generated in situ by both co-injection and surfactant alternating gas injection modes. Foam transport and propagation were characterized as a function of the foam quality, shear rate, permeability, surfactant concentration, and method of injection. Finally, we utilize the experimental results to obtain the parameters for the STARS foam model by optimizing multiple variables related to the dry out, shear thinning, and surfactant concentration effects on foam transport. Enhanced oil recovery utilizing CO2 foam under miscible conditions in the presence of SMY crude oil was able to decrease oil saturation to 3.0%. It was also determined that significantly more injected pore volumes were required for the foam to reach the steady state in the presence of SMY crude oil. A foam simulation process in a heterogeneous reservoir is conducted applying the parameters obtained. The TTM CO2 foam generated significantly reduces the mobility of CO2 in the high permeability layers, which results in an improved swept volume in the low permeability zone that significantly improves oil recovery when epoil = 1 and fmoil = 0.5. Oil saturation parameters play important roles in the effectiveness of CO2 foam: large epoil and small fmoil will reduce the efficiency for TTM CO2 foam.
dc.identifier.citationJian, Guoqing, Zhang, Leilei, Da, Chang, et al.. "Evaluating the Transport Behavior of CO2ﾠFoam in the Presence of Crude Oil under High-Temperature and High-Salinity Conditions for Carbonate Reservoirs." <i>Energy Fuels,</i> 33, no. 7 (2019) American Chemical Society: 6038-6047. https://doi.org/10.1021/acs.energyfuels.9b00667.
dc.identifier.doihttps://doi.org/10.1021/acs.energyfuels.9b00667
dc.identifier.urihttps://hdl.handle.net/1911/106218
dc.language.isoeng
dc.publisherAmerican Chemical Society
dc.rightsThis is an author's peer-reviewed final manuscript, as accepted by the publisher. The published article is copyrighted by the American Chemical Society.
dc.titleEvaluating the Transport Behavior of CO2ﾠFoam in the Presence of Crude Oil under High-Temperature and High-Salinity Conditions for Carbonate Reservoirs
dc.typeJournal article
dc.type.dcmiText
dc.type.publicationpost-print
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