Producción y caracterización geoquímica del gas en la cuenca Valle Inferior del Magdalena, Colombia. Implicaciones en la prospectividad del gas natural y el gas licuado del petróleo

César Augusto Mora Hernández; Claudia Rosa Posada Saldarriaga; Gleubis Belén Silveira Moreno; Patricia Chajín Ortiz; Mauricio Bermúdez

doi:10.14482/inde.43.02.986.861

Authors

César Augusto Mora Hernández Universidad Federal Río de Janeiro
Claudia Rosa Posada Saldarriaga Universidad Nacional de Colombia
Gleubis Belén Silveira Moreno Universidad Pedagógica y Tecnológica de Colombia (UPTC)
Patricia Chajín Ortiz Universidad Industrial de Santander (UIS)
Mauricio Bermúdez Universidad Pedagógica y Tecnológica de Colombia (UPTC)

DOI:

https://doi.org/10.14482/inde.43.02.986.861

Keywords:

Cracking, dry gas, gas production, molecular and isotopic composition, wet gas

Abstract

In the Lower Magdalena Valley (VIM) basin, 1201 (MBPE) have been discovered (OOIP & OGIP/ oil and gas). Gas resources discovered reaches 3.57 TPC and include dry gas and wet gas. During 2021 the ANH (National Hydrocarbons Agency) audited the production of 29 fields with a total production of 90908 MPC (99.91 GPCG), which account for 15% of total production in the country. The main reservoirs in the basin correspond to sandy facies of the Lower Ciénaga de Oro Formation (late Oligocene) and calcareous facies of the Upper Ciénaga de Oro Formation (early Miocene). The gas produced varies between dry with more than 98% methane and humid where the proportion of LPG (C3+) is greater than 5%. Based on the geochemical characterization, wet gases are associated with primary kerogen cracking and dry gases with secondary crude oil cracking. The presence in the basin of a wide spectrum of liquid and gaseous hydrocarbons represents an exploratory opportunity, since it is a basin where it is possible to find natural gas (NG/C1) and wet gas (C3-C5), the main source of liquefied petroleum gas (LPG).

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