Guide to World Crudes

Assays for the following Mexican crudes have been updated: Isthmus, Maya, Olmeca, and Marine Light (OGJ, Mar. 4, 1991, p. 45).Mexico's reserves in the Marine region of Campeche1 at the end of 1999 were 21.3 billion bbl. This region has two types of crude oils: Maya and Marine Light.The southern part of the states of Tabasco and Chiapas holds 6.0 billion bbl of reserves.1 This region produces Isthmus, Maya, and Olmeca crudes.Total sales of these four important Mexican crudes in 1999 were 2.9 million b/d. Petróleos Mexicanos (Pemex) refineries received 1.3 million b/d, and Mexico exported the remaining 1.6 million b/d.Local Mexican refineries process an Isthmus to Maya to Olmeca ...

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