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espanolEl proposito de esta investigacion es documentar la zonificacion molecular de los crudos entrampados en la Formacion Basal La Rosa (BLR) / Arenas B, localizados en el Bloque I, del Occidente de la Republica Bolivariana de Venezuela especificamente en la Cuenca del Lago de Maracaibo, en las areas VLA0016 y VLA0033 de la Unidad de Produccion Lagomar. Para el desarrollo del mismo se llevo a cabo la recoleccion de las muestras de crudo en campo siguiendo la metodologia estandar, luego a nivel de laboratorio se determinaron las relaciones atomicas entre compuestos para establecer la transformacion fisico-quimica de la materia organica desde su depositacion hasta su estado actual. Una vez obtenidos el dato de campo se llevo a cabo la inyeccion de la misma en el equipo de Cromatografia de Gases acoplado a un Espectrometro de Masa, donde ocurre la separacion de los compuestos para su posterior analisis detallado. Los resultados de esta investigacion permiten establecer los niveles de madurez termica, origen de materia organica, huella digital del crudo, ambiente de depositacion, alteraciones del crudo a traves de relaciones estadisticas entre compuestos, con el fin de caracterizar geoquimicamente el crudo del area de interes. EnglishThe purpose of this research is to document the molecular zoning of trapped crudes in La Rosa Basal Formation (BLR) / Arenas B, located in Block I, in the West of the Bolivarian Republic of Venezuela, specifically in the Lake Maracaibo Basin, in areas VLA0016 and VLA0033 of the Lagomar Production Unit. For the development of this study, a collection of the crude samples in the field following the standard methodology was carried out. Then, at the laboratory level, the atomic relationships between compounds were determined to establish the physical-chemical transformation of the organic material from its deposition to their current state. Once the field data were obtained, the injection thereof was carried out in the Gas Chromatography equipment coupled to a Mass Spectrometer, where the separation of the compounds took place for their subsequent detailed analysis. The results of this investigation allowed us to establish the levels of thermal maturity, origin of organic material, fingerprint of the crude oil, environment of deposition, alterations of the crude through statistical relationships between compounds, in order to characterize geochemically the crude oil of the area of interest.

Zonificación molecular de yacimientos de edad eoceno y mioceno al norte de la cuenca del lago de Maracaibo