A petroleum system in search of a reservoir; the Palmyrid Region, Syria
- Marathon Oil Company, Houston, TX (United States)
- Marathon Oil Company, Littleton, CO (United States)
- DGSI, Woodlands, TX (United States)
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 system such as source rock, seal rock, trap and, to a lesser extent, reservoir 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-reservoir system 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 advantage of the structural evolution of traps. The sub-salt system fails primarily because of poor reservoir quality although patchy, unpredictable porosity-permeability enhancement provides adequate reservoir quality for the Ash Shaer and Cherrife gas fields. The Palmyrid petroleum system illustrates a case where all of the processes and elements required to form large accumulations are present but for one essential element, the reservoir, is insufficiently developed to form major hydrocarbon accumulations.
- OSTI ID:
- 127355
- Report Number(s):
- CONF-950995-; ISSN 0149-1423; TRN: 95:005942-0048
- Journal Information:
- AAPG Bulletin, Vol. 79, Issue 8; Conference: International conference and exhibition of the American Association of Petroleum Geologists, Inc.: managing change at the turn of the century, Nice (France), 10-13 Sep 1995; Other Information: PBD: Aug 1995
- Country of Publication:
- United States
- Language:
- English
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