--> Abstract: A Petroleum System in Search of a Reservoir; the Palmyrid Region, Syria, by D. C. Blanchard, H. Dembicki, Jr., and W. G. Dow; #90956 (1995).
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Abstract: A Petroleum Previous HitSystemNext Hit in Search of a Previous HitReservoirNext Hit; the Palmyrid Region, Syria

David C. Blanchard, Harry Dembicki Jr., Wallace G. Dow

World class accumulations of hydrocarbons have not been discovered in the Palmyrid region of central Syria despite the presence of all of the essential elements of a petroleum Previous HitsystemNext Hit such as source rock, seal rock, trap and, to a lesser extent, Previous HitreservoirNext Hit rock. Recent exploration has resulted in an appreciation of why the Palmyrid region has failed to yield significant hydrocarbon discoveries even though active source generation appears more than adequate to charge the basin. The early Triassic Mulussa E, D1 and C2 source-Previous HitreservoirNext Hit Previous HitsystemNext Hit is characterized by an overall shallowing up sequence capped by Mulussa C-1 salt rock. Source rock quality and facies distribution and subsequent oil and gas generation and migration are correctly placed in time and space to take advantag of the structural evolution of traps. The sub-salt Previous HitsystemNext Hit fails primarily because of poor Previous HitreservoirNext Hit quality although patchy, unpredictable porosity- permeability enhancement provides adequate Previous HitreservoirNext Hit quality for the Ash Shaer and Cherrife gas fields. The Palmyrid petroleum Previous HitsystemNext Hit illustrates a case where all of the processes and elements required to form large accumulations are present but for one essential element, the Previous HitreservoirTop, is insufficiently developed to form major hydrocarbon accumulations.

AAPG Search and Discovery Article #90956©1995 AAPG International Convention and Exposition Meeting, Nice, France