GENERAL CHARACTERISTICS OF TRINIDAD SOURCE ROCKS

RICH TYPE II MARINE OIL SOURCE TIED TO THE UPPER CRETACEOUS NAPARIMA HILL AND GAUTIER FMS. APPROXIMATELY 5000 FT. THICK.

BIOGENIC AND HEMIPELAGIC MUDSTONES AND SHALES DEPOSITED ON PROGRADING CONTINENTAL SLOPE OF THE UPPER CRETACEOUS PASSIVE MARGIN


SHELFWARD (SOUTH) AND BASINWARD (NORTH) THE SOURCE ROCKS APPEAR TO BE LEANER AND MORE GAS-PRONE.


AGE EQUIVALENT TO THE PROLIFIC SOURCE ROCKS OF THE QUEREQUAL AND SAN ANTONIO FMS. IN EASTERN VENEZUELA.


SOURCE ROCKS FACIES; MATURATION LEVELS AND OIL QUALITY VARY EXTENSIVELY ACROSS THE ISLAND DUE TO DEPOSITIONAL PATTERNS AND POST-DEPOSITIONAL STRUCTURAL COMPLICATIONS I.E. MATURE SOURCE IS NOT UBIQUITOUS.