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Characterization of physicochemically abnormal coals in the matarere formation (Cerro Saroche National Park, Venezuela)
ArticleAbstract: Proximate and ultimate analyses, % Rm, vitrinite anisotropy, Rock-Eval Tmax, and biomarkers have beePalabras claves:Biomarkers, Cerro Saroche National Park, coal rank, organic petrography, vitrinite reflectanceAutores:Escobar M., Esteves I.H., Fortes-Garrido J.C., Gonzalo Márquez, Manuel Martínez, Moreno O., Ruggiero A.Fuentes:scopusCluster analysis and other multivariate statistical methods applied in the identification of chemofacies: Example in the tertiary falcon basin, Venezuela
Conference ObjectAbstract: The application of multivariate statistical methods (cluster, correspondence and factorial analysis)Palabras claves:Autores:Barráez D., Gutiérrez J.V., Manuel Martínez, Montero-Serrano J.C.Fuentes:scopusAssessment of the oil source-rock potential of the Pedregoso Formation (Early Miocene) in the Falcón Basin of northwestern Venezuela
ArticleAbstract: The early Miocene Pedregoso Formation is one of the numerous formations rich in organic matter withiPalabras claves:Biomarkers, Carbonate turbidites, Catagenesis, Falcón Basin, geochemistry, Organic matter, Redox conditions, Thermal maturity, VENEZUELAAutores:Gonzalo Márquez, Gutiérrez-Martín J.V., Manuel Martínez, Montero-Serrano J.C., Riboulleau A., Tribovillard N.Fuentes:scopusEffect of coal weathering on some geochemical parameters
ArticleAbstract: The effect of coal weathering on some geochemical parameters was studied. Seven pairs of fresh and aPalabras claves:Bitumen, Coal, floatability, geochemistry, humic substances, VENEZUELA, WeatheringAutores:Escobar M., Manuel MartínezFuentes:scopusEffect of solvent structure and amine addition on the depolymerization of a bituminous Venezuelan coal
ArticleAbstract: This research article describes the solvents composition and structure effects on the depolymerizatiPalabras claves:Amine, Depolymerization, Donor–acceptor number, extraction, Solubility parametersAutores:Érica Lorenzo, Escobar M., Esteves I.H., Gamboa A., Garbán G., Manuel Martínez, Quintero K.Fuentes:scopusEffect of temperature, oxidation time and substrate: Oxidant agent ratio in the yield and composition of humic acids derived from coal, monitored by <sup>1</sup>H NMR and FT-ir
ArticleAbstract: The yield and composition of coal-derived humic acids (AH) was studied, obtained by oxidation of a VPalabras claves:Coal, FT-ir, Humic acids, NMR, OXIDATION, WeatheringAutores:Contreras E., Leal E., Manuel MartínezFuentes:scopusDistribution and geochemical significance of biphenyls and related bicyclic aromatic structures in oils from Ancon oilfield (Tertiary Progreso Basin), Ecuador
ArticleAbstract: A set of oils from Ancon oilfield (Neogene Progreso Basin, Ecuador), were studied by GC-MS in termsPalabras claves:ANCON, Biphenyls, Cyclohexylbenzenes, Diphenylmethanes, ECUADORAutores:Antonio Morato Medina, Érica Lorenzo, Gamboa A., Manuel MartínezFuentes:scopusDistribution of tiophenic organosulphur compounds in some venezuelan coals
ArticleAbstract: Some tiophenic organosulphur compounds (OSC) distribution in coal bitumen of four different localitiPalabras claves:Coal, Multivariate analysis, Organosulphur compounds (OSC), Sedimentary paleoenvironments, Thermal maturityAutores:Escobar M., Esteves I.H., González R., Manuel MartínezFuentes:scopusGeochemical correlation between oils and rocks of the petroleum system of the Santa Elena peninsula and the gulf of Guayaquil
ArticleAbstract: The southeastern of the Ecuadorian coast is a traditionally oil producing region, but the petroleumPalabras claves:ECUADOR, geochemistry, Gulf of Guayaquil, Source rock, Thermal maturityAutores:Antonio Morato Medina, Cristian Paul Álvarez-Domínguez, Érica Lorenzo, Manuel Martínez, Paulo Escandón-Panchana, Wladimir Andrés Roca-BeltránFuentes:googlescopusElemental composition and mineralogy of NW Venezuelan Guasare coals: Provenance study and role of illite in methane sorption capacity
ArticleAbstract: A series of coal seams (groups 4 to 11) of Paleocene age in the Marcelina Formation have been open pPalabras claves:Bituminous coal, CBM, Elemental Composition, Guasare coalfield, Illite content, mineralogyAutores:Boente C., Carruyo G., Érica Lorenzo, Gonzalo Márquez, Manuel Martínez, Tocco R.Fuentes:scopus