Assessment of Undiscovered Conventional Oil and Gas Resources in the Santos Basin, Campos Basin, and Espírito Santo Basin Provinces of Brazil, 2024

Fact Sheet 2026-3062
National and Global Petroleum Assessment
By: , and 

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Abstract

Using a geology-based assessment methodology, the U.S. Geological Survey estimated undiscovered, technically recoverable mean conventional resources of 10.4 billion barrels of oil and 53.3 trillion cubic feet of gas in the Santos Basin, Campos Basin, and Espírito Santo Basin provinces of Brazil.

Suggested Citation

Schenk, C.J., Gelman, S.E., Hearon, J.S., Mercier, T.J., Le, P.A., Cicero, A.D., Johnson, B.G., Lagesse, J.H., and Leathers-Miller, H.M., 2026, Assessment of undiscovered conventional oil and gas resources in the Santos Basin, Campos Basin, and Espírito Santo Basin provinces of Brazil, 2024: U.S. Geological Survey Fact Sheet 2026–3062, 6 p., https://doi.org/10.3133/fs20263062.

ISSN: 2327-6932 (online)

Study Area

Table of Contents

  • Introduction
  • Total Petroleum System and Assessment Units
  • Undiscovered Resources Summary
  • References Cited
Publication type Report
Publication Subtype USGS Numbered Series
Title Assessment of undiscovered conventional oil and gas resources in the Santos Basin, Campos Basin, and Espírito Santo Basin provinces of Brazil, 2024
Series title Fact Sheet
Series number 2026-3062
DOI 10.3133/fs20263062
Publication Date February 11, 2026
Year Published 2026
Language English
Publisher U.S. Geological Survey
Publisher location Reston VA
Contributing office(s) Central Energy Resources Science Center
Description Report: 6 p.; Data Release
Country Brazil
Other Geospatial Campos Basin, Espírito Santo Basin, Santos Basin
Online Only (Y/N) Y
Additional publication details