Publicación: Molecular zoning of eocene and miocene age deposits in the north of the Maracaibo lake basin
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Universidad Industrial de Santander
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El propósito de esta investigación es documentar la zonificación molecular de los crudos entrampados en la Formación Basal La Rosa (BLR) / Arenas B, localizados en el Bloque I, del Occidente de la República Bolivariana de Venezuela específicamente en la Cuenca del Lago de Maracaibo, en las áreas VLA0016 y VLA0033 de la Unidad de Producción Lagomar. Para el desarrollo del mismo se llevó a cabo la recolección de las muestras de crudo en campo siguiendo la metodología estándar, luego a nivel de laboratorio se determinaron las relaciones atómicas entre compuestos para establecer la transformación físico-química de la materia orgánica desde su depositación hasta su estado actual. Una vez obtenidos el dato de campo se llevó a cabo la inyección de la misma en el equipo de Cromatografía de Gases acoplado a un Espectrómetro de Masa, donde ocurre la separación de los compuestos para su posterior análisis detallado. Los resultados de ésta investigación permiten establecer los niveles de madurez térmica, origen de materia orgánica, huella digital del crudo, ambiente de depositación, alteraciones del crudo a través de relaciones estadísticas entre compuestos, con el fin de caracterizar geoquímicamente el crudo del área de interés.
The 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.
The 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.