DInSAR for Geomechanical Reservoir Analysis – Application to Reservoir Lagunillas Lower 07, Lake Maracaibo, Venezuela

Keywords: DInSAR, InSAR, subsidence, compaction, geomechanics

Abstract

This study applied Differential Interferometry Synthetic Aperture Radar (DInSAR) to monitor subsidence in the Lagunillas Inferior 07 (LGINF-07) reservoir within the Lagunillas Lago Field, in the Lake Maracaibo Basin, Venezuela. Since 1926, geodetic measurements have recorded ground movements in this critical region for the Venezuelan oil industry. DInSAR enabled precise data collection without requiring physical presence in the field, resulting in significant cost and time savings. The results revealed progressive subsidence on the oil platforms located in Lake Maracaibo, belonging to the Lagunillas Lago production unit with an average annual rate of -0.035 meters/year. This data updated an existing geomechanical model, improving understanding of subsidence and anticipating future ground movements. This advancement is crucial for infrastructure planning and the safety of oil operations in the region. The study highlights the effectiveness of DInSAR in environmental management and geological monitoring, with significant implications for the national O& industry.

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Author Biographies

Dario Antonio Gonzalez Freites

Asesor de datos geomáticos con sede en Houston, Estados Unidos, en Oxy.  Antes de ocupar su puesto actual, González fue especialista en topografía y geomática en The Bergaila Companies. Ingeniero geodésico con una maestría en Geología del Petróleo, que aporta una combinación única de habilidades técnicas y conocimiento de la industria a su trabajo. Su capacidad para traducir datos geoespaciales complejos en información procesable ha sido fundamental para ayudar a Oxy a tomar decisiones informadas y alcanzar sus objetivos operativos.

 

Orlando Zambrano Mendoza

PhD en Ingeniería de Petróleo por Texas A&M University, Magister Scientiarum en Ingeniería Petróleo por la Universidad del Zulia e Ingeniero de Petróleo por la Universidad del Zulia. Profesor Emérito Universidad del Zulia. Investigador A PEII

Jorge Luis Barrios
Dr. en Ciencias de la Universidad Rafael Belloso Chacín, MSc Eng Petroleum de la Universidad del Zulia. Se ha desempeñado como Ingeniero Geomecánico de la Gerencia de Estudios Integrados de Yacimientos de PDVSA Occidente y es instructor en el área deGeomecánica aplicada a estabilidad de Hoyos y yacimientos petroleros, adicionalmente es Profesor del departamento de postgrado de La Universidad del Zulia, ha sido tutor industrial de tesis de pregrado. 

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Published
2024-12-20
How to Cite
Gonzalez Freites, D. A., Zambrano Mendoza, O. and Barrios, J. L. (2024) “DInSAR for Geomechanical Reservoir Analysis – Application to Reservoir Lagunillas Lower 07, Lake Maracaibo, Venezuela”, Rev. Téc. Fac. Ing. Univ. Zulia, 47, p. e244708. doi: 10.22209/rt.v47a08.
Section
Artículos de Investigación