Changes

| Albuquerque basin, New Mexico || Moderate/High || Cretaceous || Direct || Johnson et al.<ref name=Johnsonetal_2001>Johnson, R. C., T. M. Finn, and V. F. Nuccio, 2001, [http://pubs.usgs.gov/bul/b2184-c/ Potential for basin-centered gas accumulation in the Albuquerque basin, New Mexico]: U.S. Geological Survey Bulletin 2184-C, 21 p.</ref> Popov et al.<ref name=Popovetal_2001 />

| Albuquerque basin, New Mexico || Moderate/High || Cretaceous || Direct || Johnson et al.<ref name=Johnsonetal_2001>Johnson, R. C., T. M. Finn, and V. F. Nuccio, 2001, [http://pubs.usgs.gov/bul/b2184-c/ Potential for basin-centered gas accumulation in the Albuquerque basin, New Mexico]: U.S. Geological Survey Bulletin 2184-C, 21 p.</ref> Popov et al.<ref name=Popovetal_2001 />

|-

|-

| Anadarko basin, Oklahoma || High || [[Pennsylvanian]] || Indirect || Al-Shaieb et al.,<ref name=Alshaiebetal_1994>Al-Shaieb, Z., J. Puckette, A. Abdalla, and P. B. Ely, 1994, [http://archives.datapages.com/data/specpubs/memoir61/ch04/0055.htm Megacompartment complex in the Anadarko basin: A completely sealed overpressured phenomenon], ''in'' P. J. Ortoleva, ed., Basin compartments and seals: AAPG Memoir 61, p. 55-62.</ref> Popov et al.<ref name=Popovetal_2001 />

| Anadarko basin, Oklahoma || High || [[Pennsylvanian]] || Indirect || Al-Shaieb et al.,<ref name=Alshaiebetal_1994>Al-Shaieb, Z., J. Puckette, A. Abdalla, and P. B. Ely, 1994, [http://archives.datapages.com/data/specpubs/memoir61/ch04/0055.htm Megacompartment complex in the Anadarko basin: A completely sealed overpressured phenomenon], ''in'' P. J. Ortoleva, ed., Basin compartments and seals: [http://store.aapg.org/detail.aspx?id=748 AAPG Memoir 61], p. 55-62.</ref> Popov et al.<ref name=Popovetal_2001 />

|-

|-

| Midcontinent Rift, Minnesota and Iowa || Low/Moderate || [[Precambrian]] || Indirect/Direct || Popov et al.<ref name=Popovetal_2001 />

| Midcontinent Rift, Minnesota and Iowa || Low/Moderate || [[Precambrian]] || Indirect/Direct || Popov et al.<ref name=Popovetal_2001 />