Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/78358
Full metadata record
DC FieldValueLanguage
dc.contributor.CRUESPUniversidade Estadual de Campinaspt_BR
dc.typeArtigo de periódicopt_BR
dc.titleCalculating capillary pressure curve from single-speed centrifuge experimentspt_BR
dc.contributor.authorCunha, MCCpt_BR
dc.contributor.authorMoretti, ACpt_BR
unicamp.authorUniv Estadual Campinas, Inst Matemat Estatist & Ciencia Computacao, BR-13081970 Campinas, SP, Brazilpt_BR
dc.description.abstractWe present a method for the calculation of the capillary pressure curve in porous media using centrifuge single-speed experimental data. The mathematical model is based on the hydrostatic equilibrium equation for the capillary pressure and the inverse problem for finding the saturation distribution along the sample from the displaced fluid volume when all the flow has ceased. The capillary effects are interpreted as constraint forces which keep the oil trapped in the pores of the sample. We use the Lagrangian formulation to find the equilibrium configuration of the oil in the sample. The great advantage of this formulation is that the explicit inclusion of forces is not necessary. Mathematical properties of the capillary pressure curve and centrifuge data are used as constraints of the kinetic energy minimization procedure. The discretized problem is solved using a nonlinear programming procedure using only the single-speed experimental data. Numerical results are compared with calculations in the frequently used multi-speed centrifuge tests.pt
dc.relation.ispartofInverse Problemspt_BR
dc.relation.ispartofabbreviationInverse Probl.pt_BR
dc.publisher.cityBristolpt_BR
dc.publisher.countryInglaterrapt_BR
dc.publisherIop Publishing Ltdpt_BR
dc.date.issued2000pt_BR
dc.date.monthofcirculationDECpt_BR
dc.identifier.citationInverse Problems. Iop Publishing Ltd, v. 16, n. 6, n. 1897, n. 1906, 2000.pt_BR
dc.language.isoenpt_BR
dc.description.volume16pt_BR
dc.description.issuenumber6pt_BR
dc.description.firstpage1897pt_BR
dc.description.lastpage1906pt_BR
dc.rightsfechadopt_BR
dc.rights.licensehttp://iopscience.iop.org/page/copyrightpt_BR
dc.sourceWeb of Sciencept_BR
dc.identifier.issn0266-5611pt_BR
dc.identifier.wosidWOS:000166142700019pt_BR
dc.identifier.doi10.1088/0266-5611/16/6/318pt_BR
dc.date.available2014-12-02T16:29:01Z
dc.date.available2015-11-26T16:38:20Z-
dc.date.accessioned2014-12-02T16:29:01Z
dc.date.accessioned2015-11-26T16:38:20Z-
dc.description.provenanceMade available in DSpace on 2014-12-02T16:29:01Z (GMT). No. of bitstreams: 1 WOS000166142700019.pdf: 104439 bytes, checksum: f29696d055d0616903ad472799857f61 (MD5) Previous issue date: 2000en
dc.description.provenanceMade available in DSpace on 2015-11-26T16:38:20Z (GMT). No. of bitstreams: 2 WOS000166142700019.pdf: 104439 bytes, checksum: f29696d055d0616903ad472799857f61 (MD5) WOS000166142700019.pdf.txt: 22383 bytes, checksum: c8c4e41ecb018f2cae7ddfc654d1cd5e (MD5) Previous issue date: 2000en
dc.identifier.urihttp://www.repositorio.unicamp.br/jspui/handle/REPOSIP/78358pt_BR
dc.identifier.urihttp://www.repositorio.unicamp.br/handle/REPOSIP/78358
dc.identifier.urihttp://repositorio.unicamp.br/jspui/handle/REPOSIP/78358-
Appears in Collections:Unicamp - Artigos e Outros Documentos

Files in This Item:
File Description SizeFormat 
WOS000166142700019.pdf101.99 kBAdobe PDFView/Open


Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.