Ana M. Forgiarini de Guédez

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Director Adjunto / Assistant Director - Formulación, sistemas surfactante-agua-aceite, micro y nanoemulsiones, recuperación mejorada del petróleo / Formulation of surfactant-oil-water systems, micro and nanoemulsions, EOR .

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Profesor Titular / Professor
Escuela Básica de Ingeniería y Postgrados de Ingeniería Química y de Mantenimiento / Basic Engineering School and Graduate Schools in Chemical Engineering and Maintenance Engineering
Universidad de Los Andes

Ingeniero Químico / BS Chemical Engineering, Instituto Universitario Politécnico de Barquisimeto (1983)
Maestría / Master of Science, Universidad de Los Andes (1987)
Doctorado / PhD., Universidad de Barcelona, España (2001)
Pasantía Postdoctoral / Postdoc Fellow, North Carolina State University (2006)

Directora adjunta / Assistant Director, Laboratorio FIRP (desde/since  2007)
Jefe del Depto de Cálculo / Head of Mathematics Department, Faculty of Engineering (1994-96)
Editora en Jefe / Editor in Chief,  Revista/Journal  Ciencia e Ingeniería (desde/since 2009)

Supervisión de tesis / Undergraduate - graduate student tutoring: 25 BS, 2 de MSc, 2 de Dr/PhD

Producción científica / Scientific Publications: 5 capítulos de libro/book chapters, más de 40 artículos y comunicaciones / more than 40 articles and communications, 1 patente / patent

Areas investigativas de interés / Research fields of interest
Formulación de sistemas surfactante-agua-aceite, micro, macro y nanoemulsiones. Transición de fase. Formulación y propiedades de espumas. Surfactantes extendidos / Formulation of surfactant-oil-water systems, micro, macro and nanoemulsions. Phase behavior. Foam formulation and properties. Extended Surfactants.

Responsable de contratos de investigación, desarrollo y servicios sobre / Responsible of research, development and service contracts in
Formulación de micro/macro/nanoemulsiones y dispersiones, lodos de perforación, limpieza de pozos y de daño de formación, recuperación mejorada del petróleo / Formulation of micro/macro/nanoemulsions and dispersions, drilling muds, well plugging and formation dammage cleaning, enhanced oil recovery.

Publicaciones seleccionadas / Selected Publications

IGLESIAS E., ANDEREZ J.M., FORGIARINI A., SALAGER J. L. A new method to estimate foam stability, Colloids and Surfaces A: Physicochemical and Engineering Aspects, 98, 167-174 (1995) [95_COLSUA_Iglesias]

SALAGER J. L., ANDEREZ J. M., FORGIARINI A., Les mousses - Influence de la formulation physico-chimique, Actualité Chimique, april 1999: 10-21 (1999)

FORGIARINI A., ESQUENA J., GONZALEZ C., SOLANS C., Influencia del tipo de fases y del método de emulsificación en el tamaño de gota y propiedades de emulsiones, Jornadas Com. Esp. Detergencia, 29; 73-84 (1999)

FORGIARINI A., ESQUENA J., SOLANS C., Studies of the relation between phase behavior and emulsification methods with nanoemulsion formation, Progress Colloid Polymer Sci., 115, 36-39 (2000) [00_PCPS_Forgiarini]

FORGIARINI A., ESQUENA J., GONZALEZ C., SOLANS C., Formation of nano-emulsions by low-energy emulsification methods at constant temperature, Langmuir 17, 2076-2083 (2001) [01_LANG_Forgiarni_1page]

FORGIARINI A., ESQUENA J., GONZÁLEZ C., SOLANS C., Formation and stability of nanoemulsions in mixed nonionic surfactant systems. Progess Colloid Polymer Sci. 118, 184-189 (2001) [01_PCPS_Forgiarni]

FORGIARINI A., ESQUENA J., GONZÁLEZ C., SOLANS C., The relation between phase behavior and formation of narrow size distribution W/O emulsions. J Dispersion Sci. Technology, 23 (1/3) 209-217 (2002) SOLANS C., ESQUENA J.,

SALAGER J. L., ANDEREZ J. M., FORGIARINI A., Influence de la formulation sur les mousses, en "Les Mousses: Moussage et Démoussage", S. Lagerge Ed., Cahier de Formulation vol. 9: 58-91. EDP Sciences Paris, (2002)

FORGIARINI A., USÓN N., MORALES D., IZQUIERDO P. AZEMAR N., GARCIA M. J. Nano-emulsions, en Adsorption and Aggregation of Surfactants in Solution. Mittal K. L., Shah D. O., Eds., Surfactant Science Series109, Chap. 25, pp 525-554. M. Dekker New York (2003)

SALAGER J. L., FORGIARINI A., MARQUEZ L., PEÑA A. A., PIZZINO A., RODRIGUEZ M. P., RONDON M. Using Emulsion Inversion in Industrial Processes, Advances Colloid Interface Sci., 108-109, 259-272 (2004) [04_ACIS_Salager_1page]

CUÉLLAR I., BULLÓN J., FORGIARINI A.M., CÁRDENAS A., BRICEÑO M.I. More efficient preparation of parenteral emulsions or how to improve a pharmaceutical recipe by formulation engineering. Chemical Engineering Science 60: 2127-2134 (2005)

MARFISI S., RODRIGUEZ M. P., ALVAREZ G., CELIS M. T., FORGIARINI A., LACHAISE J., SALAGER J. L., Complex Emulsion Inversion Pattern Associated with the Partitioning of Nonionic Surfactant Mixtures in presence of Alcohol Cosurfactant. Langmuir 21: 6712-6716 (2005)

TOLOSA L. I., FORGIARINI A., MORENO P., SALAGER J. L. Combined Effects of Formulation and Stirring on Emulsion Drop Size in the Vicinity of Three-Phase Behavior of Surfactant-Oil Water Systems. Industrial & Engineering Chemistry Research 45, 3810-3814 (2006)

ROJAS O. J., BULLON J., YSAMBERTT F., FORGIARINI A., ARGYROPOULOS D. S., SALAGER J. L. Lignin as Emulsion Stabilizers. In Materials, Chemicals and Energy from Biomass, D. Argyropoulos Ed., American Chemical Society. ACS Symposium Series954 (Chap. 12) pp. 182-199 (2007)

FORGIARINI A., ANDEREZ J. M., SALAGER J. L., RODRIGUEZ C. Pulsating foam decay regime. Ciencia e Ingeniería 28 (3) 135-140 (2007) [07_CeI_Forgiarini]

MARQUEZ R., BULLON J., MARQUEZ L., CARDENAS A, BRICEÑO M. I., FORGIARINI A. Rheological changes of parenteral emulsions during phase-inversion emulsification. J. Dispersion Sci. & Technology 29, 621-627 (2008) [08_JSDT_Marquez_1page]

CELIS M. T., FORGIARINI A., BRICEÑO M. I., GARCIA-RUBIO L. H. Spectroscopy measurements for the determination of polymer particle size distribution. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 331: 91-96 (2008)

SALAGER J. L., ANTON R. E., FORGIARINI A., MARQUEZ L. Formulation of Microemulsions. In Microemulsions — Background, new concepts, applications, perspectives. C. Stubenrauch, Ed. Chap. 3, pp 84-121, Blackwell Pub. Oxford UK (2008).

FORGIARINI A., SCORZZA C., Velásquez J., VEJAR F., ZAMBRANO E., SALAGER J.L., Influence of the Mixed Propoxy/Ethoxy Spacer Arrangement Order and of the Ionic Head Group Nature on the Adsorption and Aggregation of Extended Surfactants. J. Surfactant and Detergents 13, 451- 458 (2010)

URBINA-VILLALBA G., FORGIARINI A., RAHN K., LOZSAN A. Influence of flocculation and coalescence on the evolution of the verage radius of an O/W emulsion. Is a linear slope of R3 vs t an unmistakable signature of Oswald ripening? Physical Chemistry Chemical Physics 11: 11184-11195 (2009)

VELASQUEZ J., SCORZZA C., VEJAR F., FORGIARINI A., ANTON R.E., SALAGER J.L. Effect of the temperature and othe rvariables on the optimum formulation of anionic extended surfactants-alkane-brine systems. J. Surfactants and Detergents 13: 69-73 (2010)

ARANDIA M. A., FORGIARINI A. M., SALAGER J.L. Resolving an enhanced oil recovery challenge: Optimum formulation of a surfactant-oil-water system made insensitive to dilution. J. Surfactants Detergents 13: 119-126 (2010)

FORGIARINI A.M., SCORZZA C., VELASQUEZ J., ZAMBRANO E., SALAGER J.L. Influence of the mixed propoxy/ethoxy spacer arrangement order and of the ionic head group nature on the adsorption and aggregation of extended surfactants. J Surfactants Detergents 13: 451-458 (2010)

QUINTERO L., CLARK D. E., JONES T. A., SALAGER J. L., FORGIARINI A. In situ fluid formation for cleaning oil or synthetic oil based mud. US Patent 8,091,645 B2 (January 10, 2012)

SALAGER J.L., FORGIARINI A., Emulsion Stabilization, Breaking and Inversion: Advantage or Inconvenience in Flow Assurance. Invited lecture, 1rst Int. Conference on Upstream Engineering and Flow. AIChE Spring Meeting Houston, 04/04/2012. Published on web Energy & Fuels 26 (2012) DOI:10.1021/ef3001604

SALAGER J.L., FORGIARINI A.M., BULLON J. Surfactant Formulation to Reach the Ultralow Interfacial Tension required for Enhanced Oil Recovery. Chap. 5. In Topics in Colloidal Aggregation and Interfacial Phenomena. M. Garcia-Sucre, A Lozsan, A Castellanos-Suarez & J. Toro-Mendoza Eds. Research Signpost, Kerala - India pp 125-160 (2012)

SALAGER J.L., FORGIARINI A., ANTON R.E., QUINTERO L. Available Know-how in Transforming an Emulsified Drilling Fluid to be removed from unwanted location into a low-viscosity Single Phase System, Energy & Fuels 26 : 4078-4085 (2012)

DELGADO-LINARES J.G., FORGIARINI A., BARÓN J. Efecto de los asfaltenos sobre la espumabilidad de sistemas no acuosos. 2do Congreso Nacional de Química del Petróleo (II CNQP 2012) Barquisimeto, Venezuela. November 6-9, 2012

SALAGER JL, FORGIARINI AM, BULLON J. How to attain an Ultralow Interfacial Tension and a three-phase behavior with Surfactant Formulation for Enhanced Oil Recovery – A Review: Part 1. Optimum Formulation for simple SOW ternary systems, J Surfactants Detergents 16: 449-472 (2013)

QUINTERO L., PIETRANGELI G., SALAGER J.L., FORGIARINI AM. Optimization of microemulsion formulations with linker molecules. Paper SPE 165207. SPE European Formation Damage Conference, Noordwijk, The Netherlands June 5-7, 2013

SALAGER J.L., FORGIARINI A.M., MARQUEZ L., MANCHEGO L., BULLON J. How to attain an ultralow interfacial tension and a three-phase behavior with surfactant formulation for Enhanced Oil Recovery – A review. Part 2. Performance improvement trends from Winsor's premise to currently proposed inter- and intra-molecular mixtures. J Surfactants & Detergents 16:631-663 (2013)

SALAGER J.L., FORGIARINI A.M. Performance improvement trends to attain ultralow interfacial tension with surfactant formulation in EOR. 104th AOCS Annual Meeting & Expo. Montreal, Canada. April 28-May 1, 2013

SALAGER J.L., MANCHEGO L., MARQUEZ L., BULLON J., FORGIARINI A. Trends to attain a lower interfacial tension in a revisited pure alkylpolyethyleneglycol surfactant-alkane-water ternary system. Basic concepts and straightforward guidelines for improving performance in Enhanced Oil Recovery formulations. J Surfactants Detergents 17:199-213 (2014)

SALAGER J.L., FORGIARINI A.M., BULLON J. Progress over a Century of Designing Emulsion Properties – Emerging Phenomenological Guidelines from Generalized Formulation and Prospects to Transmute the Knowledge into Know-How. In Surfactant Science and Technology: Retrospects and Prospects. Chap 18.  pp 459-487. L.S. Romsted Ed. CRC Press Boca Raton FL (2014)

FORGIARINI A., SALAGER J.L., Formulation experimental tactic to improve the low-tension performance in chemical enhanced oil recovery (CEOR) by surfactant flooding. 10th World Surfactant Congress CESIO, Istambul, Turkey, June 1-3, 2015

FORGIARINI A., MARQUEZ L., CELIS M.T., SALAGER J.L. Nanoemulsiones — Formación con baja energía. Chap. 16 in Nanotecnología: Fundamentos y Aplicaciones. C.L. Larez-Velasquez, S. Koteich, F. Lopez, Eds. Universidad de Los Andes Mérida in press 2015.

Nota: Esta información se presenta en lo posible en español e inglés. / Notice: This information is available in Spanish and English wherever possible.