OCS Report BOEM 2017-005 U.S. Department of the Interior Bureau of Ocean Energy Management Gulf of Mexico OCS Region Office of Resource Evaluation ON COVER—Multibeam bathymetry map of the northern Gulf of Mexico with superimposed planning area boundaries. The bathymetric map is from the U.S. National Oceanic and Atmospheric Administration, National Environmental Satellite, Data, and Information Service, National Centers for Environmental Information (formerly the National Geophysical Data Center). OCS Report BOEM 2017-005 Assessment of Technically and Economically Recoverable Hydrocarbon Resources of the Gulf of Mexico Outer Continental Shelf as of January 1, 2014 Published by U.S. Department of the Interior Bureau of Ocean Energy Management Gulf of Mexico OCS Region New Orleans Office of Resource Evaluation January 2017 TABLE OF CONTENTS TABLE OF CONTENTS ..................................................................................................................................... ii FIGURES ........................................................................................................................................................ iii TABLES .......................................................................................................................................................... iii ABBREVIATIONS AND ACRONYMS ............................................................................................................... iv INTRODUCTION ............................................................................................................................................. 1 CENOZOIC GULF OF MEXICO ......................................................................................................................... 4 Cenozoic Assessment Units ................................................................................................................. 4 Geology ................................................................................................................................................ 8 Modern Shelf ................................................................................................................................... 8 Modern Slope .................................................................................................................................. 9 MESOZOIC GULF OF MEXICO ...................................................................................................................... 12 Mesozoic Plays ................................................................................................................................... 12 Geology .............................................................................................................................................. 12 Assessed Plays ................................................................................................................................... 14 Mesozoic Deep Shelf ...................................................................................................................... 14 Mesozoic Slope .............................................................................................................................. 15 Buried Hill ...................................................................................................................................... 17 Lower Tuscaloosa ........................................................................................................................... 19 Lower Cretaceous Clastic ............................................................................................................... 19 Andrew ........................................................................................................................................... 20 James ............................................................................................................................................. 21 Sligo ................................................................................................................................................ 22 Sunniland/South Florida Basin ....................................................................................................... 23 Florida Basement Clastic ................................................................................................................ 23 Cotton Valley Clastic ...................................................................................................................... 24 Smackover ...................................................................................................................................... 26 Norphlet ......................................................................................................................................... 27 Non-Assessed Plays ........................................................................................................................... 29 Knowles Carbonate ........................................................................................................................ 29 Tuscaloosa Marine Shale ............................................................................................................... 29 Expanded Jurassic .......................................................................................................................... 31 Pre-Salt Clastic ............................................................................................................................... 31 ii ASSESSMENT RESULTS ................................................................................................................................ 32 Undiscovered Technically Recoverable Resources ............................................................................ 32 Undiscovered Economically Recoverable Resources ........................................................................ 36 REFERENCES ................................................................................................................................................ 38 GLOSSARY.................................................................................................................................................... 42 FIGURES Figure 1. Federal OCS waters of the Gulf of Mexico delineated by planning and protraction areas. ........ 2 Figure 2. Locations of the shelf and slope assessment units in the Gulf of Mexico OCS. .......................... 4 Figure 3. Geographic distribution of assessed Cenozoic pools by assessment unit. .................................. 7 Figure 4. Generalized physiographic map of the Gulf of Mexico area. ...................................................... 9 Figure 5. Mesozoic Deep Shelf Play area. ................................................................................................. 15 Figure 6. Mesozoic Slope Play area. .......................................................................................................... 17 Figure 7. Buried Hill Play area. .................................................................................................................. 18 Figure 8. Lower Tuscaloosa Play area. ...................................................................................................... 19 Figure 9. Lower Cretaceous Clastic Play area. .......................................................................................... 20 Figure 10. Andrew Play area. ...................................................................................................................... 21 Figure 11. James and Sligo Play area. ......................................................................................................... 23 Figure 12. Sunniland/South Florida Basin and Florida Basement Clastic Play area. ................................... 24 Figure 13. Cotton Valley Clastic Play area. .................................................................................................. 25 Figure 14. Smackover Play area. ................................................................................................................. 26 Figure 15. Norphlet Play area. .................................................................................................................... 27 Figure 16. Aeolian dune type change from shallow-water to deepwater Norphlet. ................................. 28 Figure 17. Knowles Carbonate Play area. ................................................................................................... 30 Figure 18. Tuscaloosa Marine Shale Play area. ........................................................................................... 30 Figure 19. Estimated discovered resources and UTRR of the Gulf of Mexico OCS. .................................... 32 Figure 20. Assessment units/plays ranked by mean-level UTRR. ............................................................... 33 Figure 21. Portions of UTRR that are economic under three price pairs for the Gulf of Mexico OCS. ....... 36 Figure 22. Portions of UTRR that are economic under three price pairs for each planning area. ............. 36 TABLES Table 1. BOEM resource classification. ......................................................................................................... 3 Table 2. Gulf of Mexico Cenozoic chronostratigraphy and corresponding biostratigraphy. ........................ 5 Table 3. Rock units in the northeastern Gulf of Mexico and South Florida Basin. ....................................