Tracey J. Mercier Phuong A. Le Andrea D. Cicero Ronald M. Drake II Sarah E. Gelman Jane S. Hearon Benjamin G. Johnson Jenny H. Lagesse Heidi M. Leathers-Miller Kira K. Timm Christopher J. Schenk 2025 <p>Using a geology-based assessment methodology, the U.S. Geological Survey estimated undiscovered, technically recoverable mean conventional resources of 14.6 billion barrels of oil and 83.7 trillion cubic feet of gas in Mexico, Belize, and Guatemala.&nbsp;</p> application/pdf 10.3133/fs20253040 en U.S. Geological Survey Assessment of undiscovered conventional oil and gas resources in Mexico, Belize, and Guatemala, 2024 reports