Open AccessPetrofacies and diagenetic processes of la Victoria formation (Early Miocene), Dina oil field, upper Magdalena valley basin, Colombia.
Author(s) -
Juan José Morales Gómez,
Angelica María Carreño Parra,
María del Rosario P ́érez Trejos,
Edgar Ricardo Pérez,
Luis Fernando Peña Peña,
J. A. Henao,
Carlos A. Ríos,
Luz Helena Rueda Acevedo
Publication year - 2020
Publication title -
c.t. and f ciencia, tecnología, futuro/ctandf ciencia, tecnología y tuturo
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.162
H-Index - 14
eISSN - 2382-4581
pISSN - 0122-5383
DOI - 10.29047/01225383.120
Subject(s) - geology , diagenesis , illite , geochemistry , clastic rock , authigenic , detritus , feldspar , overbank , plagioclase , clay minerals , ankerite , late miocene , calcite , geomorphology , structural basin , paleontology , siderite , sedimentary depositional environment , sedimentary rock , quartz
The sandstones at the base of the Honda Group (La Victoria Formation - Early Miocene), in the Dina Field, Upper Magdalena Valley Basin (UMVB) – Colombia, which are present in the analyzed interval of the Dina Norte 27 and Dina Norte 37 wells, are composed of immature clastic rocks classified as Litharenites / Feldspathic Litharenites, due to the presence of volcanic fragments, feldspar / plagioclase and unstable minerals.They are texturally immature due to poor selection and low roundness of the detritus. The following sequence of diagenetic processes is proposed: minor compaction; grain coating by illite/smectite detritical clay, dissolution of unstable minerals, zeolite (heulandite) precipitation, partial precipitation of nonferroan calcite cement and finally chloritization of clays prior to hydrocarbon migration.