* a quien debe dirigirse la correspondencia. RESUMENen esta investigación, se evaluaron siete sustancias químicas seleccionadas de las familias de sales inorgánicas y colorantes usados normalmente en hidrología, como potenciales trazadores para un fracturamiento hidráulico, implementando métodos analíticos económicos para su detección y cuantifi cación y que se puedan realizarse in situ. A partir de los ensayos de adsorción, compatibilidad con el gel de fractura y los fl uidos de formación, así como ensayos de desplazamiento en medio poroso, se identifi caron tres sustancias que respondieron aceptablemente, tras ser sometidas a las condiciones físicas y químicas de un proceso de fractura hidráulica lo que las habilitaría para su uso como trazadores.Palabras clave: fracturamiento Hidráulico, fluido de fractura, Flowback, Polímero, trazadores Químicos, Colorantes, adsorción, Desplazamiento en medio poroso. Evaluation of chemical tracers in fracturingfluid based in water guar ABSTRACT in this research, seven chemicals substances selected from the families of inorganic salts and dyes commonly used in hydrology were evaluated as potential tracers for hydraulic fracturing using economic analytical methods implemented for their detection and quantifi cation and that also can be performed in situ. From adsorption tests, compatibility between the fracture gel and formation fl uids and core fl ooding tests, three substances responded acceptably, after being subjected to physical and chemical conditions of a hydraulic fracturing process which enable them to be used as tracers.
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