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Estimated recoverable reserves of countries along the Eastern and Western Tethyan Margins are shown in [[:file:M106IntroFig01.jpg|Figure 1]]. Many of the world’s giant and super-giant fields have been discovered in these various countries (Table 1). As shown in Table 1, these Tethyan countries account for 239 and 49 of the world’s giant and supergiant fields, respectively. There is a predominance of proven hydrocarbons on the former Eastern Tethyan Margin (Table 1). The Middle East region alone accounts for a significant amount of the global petroleum produced. The lack of giant and super-giant fields on the Western Tethyan Margin could in part be attributed to under exploration rather than less resource potential. Thus, identifying similarities across the Tethyan Margin and extrapolating known hydrocarbon systems to underexplored regions (onshore and offshore) will likely lead to more discoveries.

Estimated recoverable reserves of countries along the Eastern and Western Tethyan Margins are shown in [[:file:M106IntroFig01.jpg|Figure 1]]. Many of the world’s giant and super-giant fields have been discovered in these various countries (Table 1). As shown in Table 1, these Tethyan countries account for 239 and 49 of the world’s giant and supergiant fields, respectively. There is a predominance of proven hydrocarbons on the former Eastern Tethyan Margin (Table 1). The Middle East region alone accounts for a significant amount of the global petroleum produced. The lack of giant and super-giant fields on the Western Tethyan Margin could in part be attributed to under exploration rather than less resource potential. Thus, identifying similarities across the Tethyan Margin and extrapolating known [[hydrocarbon]] systems to underexplored regions (onshore and offshore) will likely lead to more discoveries.

==Paleozoic petroleum systems==

==Paleozoic petroleum systems==