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dc.contributor.authorDale, Elisabeth Ireneng
dc.contributor.authorSkauge, Arneeng
dc.date.accessioned2011-12-07T12:32:57Z
dc.date.available2011-12-07T12:32:57Z
dc.date.issued2008-04-30eng
dc.PublishedIn: Proceedings : 13th European Symposium on Improved Oil Recoveryen
dc.identifier.isbn90-73781-39-6en_US
dc.identifier.urihttps://hdl.handle.net/1956/5262
dc.description13th European Symposium on Improved Oil Recovery, Budapest, Hungary, 25. – 27. April 2005en
dc.description.abstractImmiscible water-alternating-gas (IWAG) experiments performed on equilibrated fluids are summarised together with the corresponding two-phase gas-oil and water-oil displacements. Experimental studies at reservoir condition and also mechanistic experiments over many years have shown accelerated oil production and higher core flood oil recovery as a result of three-phase flow. The three-phase effects that are included and analysed are; trapped gas, and mobility for secondary processes (ex. water after gas injection). The oil recovery from the different oil recovery processes represented by; gas, water, and WAG core displacements are also compared. The oil recovery has been related to the trapped gas saturation, and the efficiency of the trapped gas on oil recovery is found to be varying with core wettability. Experimental results have shown that both gas and water relative permeability generally is reduced during three-phase flow. Multivariate analysis has been used to investigate relations between variables like Sgt = f(k, , Sgi, krwe), Sorm = f(k, WI, Sorw, Sgt) and Sorg = f(k, WI, Sorw, krge). The paper tries to address the question of what three-phase parameters influence oil recovery, and how these parameters are related. This is an important question for modelling and optimising the WAG process.en_US
dc.language.isoengeng
dc.publisherEAGEen_US
dc.relation.ispartof<a href="http://hdl.handle.net/1956/5267" target="blank">Modelling of immiscible WAG with emphasis on the effect of capillary pressure</a>en_US
dc.titleFluid Flow Properties of WAG Injection Processesen_US
dc.typeConference object
dc.description.versionpublishedVersionen_US
dc.rights.holderCopyright the authors. All rights reserveden_US
dc.subject.nsiVDP::Technology: 500::Rock and petroleum disciplines: 510::Petroleum engineering: 512en_US


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