Analysis of the effect of experimental adsorption uncertainty on CH 4 production and CO 2 sequestration in Dadas shale gas reservoir by numerical simulations

Basit Öğe Kaydı
dc.authorid0000-0003-2354-2905en_US
dc.contributor.authorMerey, Şükrü
dc.date.accessioned2019-06-17T11:23:48Z
dc.date.available2019-06-17T11:23:48Z
dc.date.issued2019en_US
dc.departmentBatman Üniversitesi Mühendislik - Mimarlık Fakültesi Petrol ve Doğalgaz Mühendisliği Bölümüen_US
dc.description.abstractThe importance of unconventional gas reservoirs such as shale gas reservoirs has increased with the decline of conventional gas reservoirs and advancement in horizontal drilling and hydraulic fracturing in the world. Recently, there have been many exploration activities in Dadas shales, Turkey. Previously, the adsorption capacities of CH 4 and CO 2 on Dadas shale samples were measured by using volumetric adsorption experimental set-up. Although adsorption uncertainties of these experiments were calculated, their effects on CH 4 production or CO 2 sequestration in Dadas shales were not evaluated in field scale. In this study, the numerical simulations for CH 4 gas production via 500 m long horizontal well from Dadas shale gas reservoir with different adsorption cases due to experimental adsorption uncertainties were conducted by using TOUGH + RealGasBrine. It was observed that initial CH 4 adsorption capacity of Dadas shales varies from 2.1% to 20.9% because of experimental adsorption uncertainty and absorbed gas volume corrections. Numerical simulations showed initial adsorbed gas % and final adsorbed gas % vary significantly. Similarly, the injection of CO 2 into the depleted Dadas shale gas reservoir was analyzed by numerical simulations at different adsorption cases due to experimental adsorption uncertainty and adsorbed gas volume correction. Final adsorbed CO 2 % varies from 18.1% to 27.5%. Furthermore, there are important differences in the amount of CO 2 injected, final adsorbed CH 4 % and final adsorbed CO 2 % during CO 2 injection simulations. The main reasons of these differences are experimental adsorption uncertainty and adsorbed gas volume correction. This study showed that the volumetric adsorption experimental method is not reliable in low adsorption values as in Dadas shales. It only gives adsorption ranges. The implication of this study is that the effect of experimental adsorption uncertainty obtained with the volumetric adsorption method on CH 4 production or CO 2 sequestration in Dadas shale gas reservoir is significant in field scale.en_US
dc.identifier.citationMerey, Ş. (2019). Analysis of the effect of experimental adsorption uncertainty on CH 4 production and CO 2 sequestration in Dadas shale gas reservoir by numerical simulations. Journal of Petroleum Science and Engineering, 178, pp. 1051-1066. https://doi.org/10.1016/j.petrol.2019.04.022en_US
dc.identifier.endpage1066en_US
dc.identifier.issn0920-4105
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage1051en_US
dc.identifier.urihttps://hdl.handle.net/20.500.12402/2044
dc.identifier.urihttps://doi.org/10.1016/j.petrol.2019.04.022
dc.identifier.volume178en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.relation.isversionof10.1016/j.petrol.2019.04.022en_US
dc.relation.journalJournal of Petroleum Science and Engineeringen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.rightsAttribution-ShareAlike 3.0 United States*
dc.rights.urihttp://creativecommons.org/licenses/by-sa/3.0/us/*
dc.subjectAdsorptionen_US
dc.subjectCarbon Dioxideen_US
dc.subjectDadas Shaleen_US
dc.subjectMethaneen_US
dc.subjectTOUGH + RealGasBrineen_US
dc.titleAnalysis of the effect of experimental adsorption uncertainty on CH 4 production and CO 2 sequestration in Dadas shale gas reservoir by numerical simulationsen_US
dc.typeArticleen_US

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