Characterization of Petroleum Macromolecules

P2-38. Characterization of waxes obtained in HDPE pyrolysis. Miriam Arabiourrutia, Gorka Elordi, Roberto Aguado Martin Olazar

P2-39. Comparison of the molecular weight distribution of elements in the asphaltene fractions (A1, A2 and TC) of two crude oil by micro gel permeation chromatography coupled to high resolution ICP MS. Henri Labrador, Pawel Pohl, Socrates Acevedo, Hervé Carrier, Ryszard Lobinski, Brice Bouyssiere

P2-40. The long wavelength optical absorption of asphaltenes analyzed by molecular orbital singlet (S0)-triplet (T1) calculated transitions and optical spectroscopy. Yosadara Ruiz-Morales, Olliver C. Mulins

P2-41. Study of the distribution of total acid number presents in heavy oils and its fractions. Mariana F. B. Mota, Vinícius M. D. L. de Almeida, Majorie M. Malacarne, Eustáquio V. R. de Castro, Reginaldo B. dos Santos, Lílian C. Medina, Alexandre de O. Gomes

P2-43. Selective extraction of asphaltenes from Brazilian heavy oils by solvent blends. Peter R. Seidl, Fernanda B. da Silva, Marcella B.R.Moura,Maria José O.C.Guimarães, Márcia P.M. da Costa, Samir Nasser

P2-44. Calculation of average molecular descriptions of heavy petroleum hydrocarbons by combined analysis by quantitative 13C and DEPT-45 NMR experiments. John C. Edwards

Flow Assurance

P2-45. Results of wax deposition under different thermal flux conditions. Mark Jemmett, Husam El Gendy, Milind Deo, Jules Magda, Rich Roehner

P2-46. A rapid thermal analysis to assess asphaltene unstability in crude oils.  J. Dufour, J. Marugán, J. A. Calles, R. Giménez-Aguirre, D. Merino-García, J. L. Peña

P2-47. Comparative study of new procedures developed to obtain the n-paraffin distribution of crude oils and its application to anticipate flow assurance problems. B. Coto, C. Martos, J. J. Espada, M. D. Robustillo, J.L. Peña, D. Merino

P2-48. The effect of the operating temperatures and the solubility of paraffin on wax deposition. Shanpeng Han, Zhenyu Huang, Rainer Hoffmann, H. Scott Fogler

P2-49. Phase and critical behavior in hydrocarbon mixtures under external fields. Wilson Cañas-Marín, Carlos Lira-Galean

P2-50.Geochemical studies of calcium and sodium naphthenates forming crude oils from various parts of the world in relation to flow assurance. Mohammed M. Ahmed, K. S. Sorbie

P2-51. How the presence of asphaltene can influence wax precipitation in live oils. J. Pauly, H. Carrier, C. Kouakou, J.L. Daridon, C. Ziglio, G. González, F. Cardoso

P2-52. Study of live oil wax precipitation with high pressure DSC. Priyanka Juyal, Tran Cao, David Fouchard, Andrew Yen, Rama Venkatesan

P2-58. Novel cold flow improvers for waxy crudes in deepwater developments. Jack Dunlop

Chemistry and Physics of Petroleum-Water Emulsions/Interfaces

P2-53 Molecular orientation of asphaltenes and PAH molecules in Langmuir-Blodgett films using Sum Frequency Generation spectroscopy. A. B. Andrews, A. McClelland, O. Korkeila, A. Krummel, A. Demidov, O. C. Mullins, Z. Chen

P2-54. Nano-pore scale dynamics of surfactant flooding in asphaltene containing oils using coarse-grained Molecular Dynamics simulations. Edo S. Boek, Patrice Ligneul John P. Crawshaw, Mikhail Stukan

P2-55. DPD study of  water-petroleum emulsions in presence of functionalized copolymers. Fernando Alvarez, Eugenio Flores, Laura V. Castro, Gonzalo Hernández, Alfonso López,  Flavio Vazquez

P2-56. Modifications in molecular parameters of asphaltenes of two Brazilian oils for action of stockage time. Erika C.A.N. Chrisman, Viviane.S. Lima

P2-57. Characterization and demulsification of produced fluids from enhanced oil recovery applications. George J. Hirasaki, Clarence A. Miller, Olina G. Raney, Michael K. Poindexter, Duy T. Nguyen, John Hera

P2-59. Batch scale studies of electrostatic coalescence of water in crude oil emulsions: Effect of field strength and frequency. Luiz A. P. Fernandes Jr., Maurício Alencar, Márcio F. Portilho, Raquel C. C. Coutinho, José C. Pinto, Frederico W. Tavares, Márcio Nele

P2-60. Study of asphaltene adsorption on solid surfaces using QCM. Atoosa Zahabi, Murray R. Gray, Tadeusz Dabros

P2-61. Electrodeposition study on Tahe Atmospheric Residue. Longli Zhang, Guohua Yang, Guohe Que, Chaohe Yang, Honghong Shan

Physical Properties of Heavy Oils, Asphaltenes and Waxes

P2-62. Vapor-liquid phase behaviour of aqueous mixtures containing xylene and NaCl. Hugo A. Madeiros Júnior, Syllos S. Silva, Jackson A. Oliveira, Osvaldo Chiavone-Filho

P2-63. Equilibrium distributions of asphaltenes in the presence of GOR gradients. Denise E. Freed, Julian Y. Zuo, Oliver C. Mullins

P2-64. Properties of Tahe crude oil and influence of separation components on crude oil viscosity. Guo Jixiang, Wang Heyi , Lin Meiqin ,Chen Chaogang and Deng Hongjun

P2-65. Flocculation of asphaltenes by chemicals. Cláudia P. P. Mazzeo, C. R. E. Mansur, E. F. Lucas, G. González

P2-66. Molecular modelling and the asphaltenes aggregates in solution. Juan Murgich, Ramón A. Guzmán

P2-67. Molecular modeling and aggregation tendencies of asphaltenes heptol subfractions. Lina Constanza Navarro Quintero, Peter Rudolf Seidl  View Presentation

P2-68. Heavy oils viscosity: An investigation using a series of different additives. .Lilian Padula, Edvaldo Sabadini, Watson Loh, Nelson Rocha, Carlos Henrique Monteiro de Carvalho
View Presentation

P2-69. Phase behaviour of Athabasca bitumen from calorimetric and rheological measurements. Ala Bazyleva, John M. Shaw, Michal Fulem Mildred Becerra

P2-70. Determination of partial solubility parameters and improvement of Flory-Huggins based models for studying asphaltene stability in crude oils. Ghada Bassionia, Francisco Vargas

P2-71.Application of Regular Solution approach to asphaltene precipitation from a live oil. A. Tharanivasan, H.W. Yarranton, S.D. Taylor

Upgrading and Fouling

P2-72. Effects of electrical and radio-frequency electromagnetic heating on the mass transfer process during miscible injection for heavy-oil recovery. Alfred Davletbaev, Liana Kovaleva, Tayfun Babadagli, Zoya Stepanova

P2-73. Fouling mechanisms of hydrocarbon streams containing conjugative olefins. Zhiming Fan, Parviz Rahimi, Teclemariam Alem, Andrew Eisenhawer

P2-74. Study of crude and plasma-treated heavy oil by low- and high-field ¹H NMR. Hercílio D. A. Honorato, Renzo C. Silva, Cleiton K. Piumbini, André A. de Souza, Alfredo G. Cunha, Francisco G. Emmerich, Valdemar Lacerda Júnior, Eustáquio V. R. de Castro, Tito J. Bonagamba, Jair C. C. Freitas

P2-76. Crude fouling in heat exchanger and the influence of microsized particle. Zhao Hui, Chen Honggang, Yang Chaohe and Shan Honghong