Mostrando 10 resultados de: 37
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Energy Sources, Part A: Recovery, Utilization and Environmental Effects(3)
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Revista Tecnica de la Facultad de Ingenieria Universidad del Zulia(3)
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Geología económica(19)
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Changes associated with field-scale demonstration in a steam-stimulated crude oil from the lagunillas oilfield (Lake Maracaibo, Venezuela)
ArticleAbstract: Cyclic steam injection with alkali is currently very commonly used to improve heavy-crude oil producPalabras claves:Biomarkers, carboxylic acids, cyclic steam injection with alkali, Lagunillas oilfield, viscous crudeAutores:Gonzalo Márquez, Hernández M., Manrique E., Manuel MartínezFuentes:scopusCharacterization 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:scopusCorrelation between chemical, crystallographic and spectroscopic parameters in graphite thermometry applied to a contact aureole of la Soledad monzogranite (Venezuelan Andes)
ReviewAbstract: Graphite samples from a metamorphic contact aureole between phyllites of the Cerro Azul AssociationPalabras claves:Carbon isotopes, Contact metamorphism, graphite, Metapelites, Raman, VENEZUELA, XRDAutores:Manuel Martínez, Reátegui K.Fuentes:scopusCu (II), Cd (II) and Zn (II) adsorption by the Cuare Mangrove Peat, Falcon State, in different degrees of artificial maturation
ArticleAbstract: The high adsorption capacity of peat for heavy metals constitutes a complex phenomenon of economic aPalabras claves:Adsorption, Artificial maturation, Heavy Metals, PeatAutores:Escobar M., Manuel Martínez, Martinez V., Reátegui K.Fuentes:scopusApplying the ratio matching method in the correlation of sedimentary sequences and individual beds in a coal-bearing unit. Advantages and limitations of the technique
Conference ObjectAbstract: Conventional techniques employed in the correlation of sedimentary sequences or single beds make usePalabras claves:Autores:Esteves I.H., Gamboa A., Gutiérrez J.V., Manuel Martínez, Montero-Serrano J.C.Fuentes:scopusGeochemical behavior of molybdenum and its isotopes in the sedimentary environment - A bibliographic review
ArticleAbstract: Numerous studies have been devoted to trace metals and their value in assessing the paleoredox condiPalabras claves:geochemistry, Molybdenum isotopes, paleoenvironments, Paleoredox conditionsAutores:Garbán G., Manuel Martínez, Montero-Serrano J.C., Riboulleau A., Tribovillard N.Fuentes: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:googlescopusGeochemical signatures of bedded cherts of the upper La Luna Formation in Táchira State, western Venezuela: Assessing material provenance and paleodepositional setting
ArticleAbstract: Here we undertook an inorganic geochemical study of Cenomanian-Campanian bedded cherts (the TáchiraPalabras claves:Bedded chert, Depositional setting, Modified Murray diagram, Provenance, Táchira Ftanita memberAutores:Escobar M., Esquinas N., Garbán G., Gonzalo Márquez, Manuel Martínez, Rey O.Fuentes:scopus