The south sub-Andean zone of Bolivia is characterized by east-verging thrusts, detaching within Silurian and Devonian series, and associated to a series of north–south to north-northeast–south-southwest regional anticlines and synclines holding large gas accumulations. This chapter is a case history of the multi-TCF (trillion cubic feet) Incahuasi discovery and how an integrated, multidisciplinary approach allows a progressive improvement in the understanding of the trap geometry, reducing the uncertainty during exploration and field appraisal.

While-drilling structural interpretation and biostratigraphic analyses suggested that the discovery well, prognosed mainly by surface geology and targeting the top of the Huamampampa Formation as a...