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dc.contributor.authorSoto, Diana-
dc.contributor.authorLeón, Orietta-
dc.contributor.authorUrdaneta, José-
dc.contributor.authorMuñoz-Bonilla, Alexandra-
dc.contributor.authorFernández-García, Marta-
dc.date.accessioned2020-06-30T16:47:06Z-
dc.date.available2020-06-30T16:47:06Z-
dc.date.issued2020-06-20-
dc.identifier.citationMaterials 13(12): 2794 (2020)-
dc.identifier.issn1996-1944-
dc.identifier.urihttp://hdl.handle.net/10261/215726-
dc.description© 2020 by the authors.-
dc.description.abstractHerein, the effectiveness of an itaconic acid (IA) graft copolymer on native corn starch (NCS) as a filter control agent in fresh water-based drilling fluids (WBDFs) was evaluated. The copolymer (S-g-IA_APS) was synthesized by conventional radical dispersion polymerization using the redox initiation system (NH4)2S2O8/NaHSO3. The modification of the starches was verified by volumetry, Fourier transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA), and scanning electron microscopy (SEM). Then, three WBDFs were formulated in which only the added polymer (NCS, S-g-IA_APS, and a commercial starch (CPS)) was varied to control the fluid losses. The physico-chemical, rheological, and filtering properties of the formulated systems were evaluated in terms of density (ρ), pH, plastic viscosity (µp), apparent viscosity (µa), yield point (Yp), gel strength (Rg), and filtrated volume (VAPI). In order to evaluate the resistance to temperature and contaminants of the WBDFs, they were subjected to high pressure and high temperature filtering (VHPHT). The filter control agents were also subjected to aging and contamination with cement and salt. The S-g-IA_APS addition improved the filtering behavior at a high pressure and temperature by 38%.-
dc.description.sponsorshipThis research was funded by the MINECO, Project MAT2016-78437-R, the Agencia Estatal de Investigación (AEI, Spain), Fondo Europeo de Desarrollo Regional (FEDER, EU), and the Universidad del Zulia, CONDES-LUZ.-
dc.publisherMultidisciplinary Digital Publishing Institute-
dc.relationMINECO/ICTI2013-2016/MAT2016-78437-R-
dc.relation.isversionofPublisher’s version-
dc.rightsopenAccess-
dc.subjectStarch-
dc.subjectItaconic acid-
dc.subjectGraft copolymer-
dc.subjectDrilling fluids-
dc.titleModified Starch as a Filter Controller in Water-Based Drilling Fluids-
dc.typeartículo-
dc.identifier.doi10.3390/ma13122794-
dc.description.peerreviewedPeer reviewed-
dc.relation.publisherversionhttps://doi.org/10.3390/ma13122794-
dc.identifier.e-issn1996-1944-
dc.date.updated2020-06-30T16:47:07Z-
dc.rights.licensehttp://creativecommons.org/licenses/by/4.0/-
dc.contributor.funderMinisterio de Economía y Competitividad (España)-
dc.contributor.funderAgencia Estatal de Investigación (España)-
dc.contributor.funderEuropean Commission-
dc.contributor.funderUniversidad del Zulia-
dc.relation.csic-
dc.identifier.funderhttp://dx.doi.org/10.13039/501100004688es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100011033es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100000780es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003329es_ES
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