| Revista: | Revista fuentes el reventón energético |
| Base de datos: | PERIÓDICA |
| Número de sistema: | 000441913 |
| ISSN: | 2145-8502 |
| Autores: | Maya, Gustavo A1 Herrera, Julia J1 Rojas, Fernando A1 Rueda, Mayra F2 Manrique, Eduardo J1 |
| Instituciones: | 1Instituto Colombiano del Petróleo, Piedecuesta, Santander. Colombia 2Universidad Industrial de Santander, Bucaramanga, Santander. Colombia |
| Año: | 2018 |
| Volumen: | 16 |
| Número: | 2 |
| Paginación: | 73-82 |
| País: | Colombia |
| Idioma: | Inglés |
| Tipo de documento: | Artículo |
| Enfoque: | Experimental |
| Resumen en español | La inyección de agua de baja salinidad (LSW) o de composición química modificada (ABCW) ha generado un gran interés como método de recobro mejorado (IOR/EOR). A pesar de múltiples estudios documentados en la literatura, se destaca que no existe un acuerdo respecto a los mecanismos que operan en este proceso de recobro e incluso se evidencian resultados contradictorios |
| Resumen en inglés | Low salinity or adjusted brine composition waterflooding (LSW or ABCW) is considered a promising improved/enhanced oil recovery (IOR/EOR) method. Despite the large number of studies documented in the literature, there are contradictory results and a lack of consensus regarding the mechanisms that operate in this recovery process. The proposed fluid:rock and fluid:fluid mechanisms are still under discussion and investigation. However, the impact of oil geochemistry and its importance on the fluid:fluid interactions that can occur with brines during LSW or ABCW have been overlooked and studied in a lesser extent.The scope of the present study is to preliminary evaluate crude oil:brine interactions to validate the influence of its compositions. These interactions were evaluated at static conditions for a week and reservoir temperature (60°C) using two oil samples from different Colombian basins and brine solutions of different composition at a constant ionic strength (I = 0.086). Specifically, this investigation evaluated the effect of the type of cation (Na+ and Ca2+) and anion (Cl- and SO4=) on crude oil:brine interactions. The results of these experiments were compared with tests using distilled water (DW). Although a basic characterization of brines (i.e. pH, alkalinity and ionic composition) and oil (oil viscosity) was performed, the main objective of this study is the analysis of water-soluble organic compounds (WSOC) using Fourier Transform Ion Cyclotron Resonance Mass Spectrometry (FT-ICR MS). The results demonstrate that water:oil interactions are dependent on brine and cruintoil compositions. The main changes observed in the aqueous phase were the increase in inorganic components (desalting effects) and organic compounds soluble in water. Only the system crude oil A and NaCl (5,000 ppm) showed the formation of a micro dispersion. Negative electrospray ionization (ESI (-)) FT-ICR MS data shows that WSOC’s identified in DW and Na2SO4 after the intera |
| Disciplinas: | Ingeniería, Ingeniería |
| Palabras clave: | Interaccion binaria, Interacción agua-roca, Recuperación de petróleo, Inyeccion de agua, Ingeniería petrolera |
| Keyword: | Water-rock interaction, Oil recovery, Water injection, Binary interaction |
| Texto completo: | https://revistas.uis.edu.co/index.php/revistafuentes/article/view/9160/8993 |
