Well-seismic integration to pore pressure prediction using multivariate geostatistics: A case study in a brazilian equatorial margin basin

Paria C.J.B.; Gamarra J.P.B.; Pereira E.L. · Revista Brasileira de Geofisica (2020) · DOI: 10.22564/rbgf.v38i1.2033

Resumen

Pore pressure modeling has been fundamental on several applications and stages of hydrocarbon exploration, evaluation, development and production. Pore pressure estimation is generally obtained from seismic velocity data and pore pressure analysis on wells. There are many methods available for pore pressure analysis, although more recently the application of the geostatistical approach is increasing in popularity and proving to be an important method for pore pressure gradient prediction in challenging areas where pore pressure prediction is difficult using deterministic methods. In this case study on a new frontier area in the Brazilian Equatorial Margin, multivariate geostatistics allowed integration of data at different scales and spatial variations of seismic and well variables produce pore pressure gradient models. The final result is a geopressure model where one can easily extract well-conditioned pore pressure information at any location.

Instituciones: Universidad Nacional Jorge Basadre Grohmann