REPUBLIC OF THE PHILIPPINES
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Petroleum Potential of West Palawan Basins and Sulu Sea Region
 
 
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           The Philippines hosts 16 sedimentary basins that occupy onshore and offshore areas, wholly or in part. These sedimentary basins cover an area of more than 700,000 square kilometers. Only 10% of the total petroleum resources of the Philippines have been discovered, thus making the country a promising site for petroleum exploration investment.
 
1. Agusan-Davao Basin 9. Northwest Palawan Basin
2. Bicol Shelf 10. Reed Bank Basin
3. Cagayan Basin 11. Southeast Luzon Basin
4. Central Luzon Basin 12. Southwest Palawan Basin
5. Cotabato Basin 13. Sulu Sea Basin
6. East Palawan Basin 14. Visayan Basin
7. Ilocos Trough 15. West Luzon Basin
8. Mindoro-Cuyo Basin 16. West Masbate-Iloilo Basin
   
 
   
 

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  Petroleum Potential of West Palawan Basins and Sulu Sea Region
   
         The Philippines is made up of two major tectonic units, namely, a) the stable rifted continental block to the west and b) the mobile Philippine arc to the east.  The offshore West Palawan and the Sulu Sea region belong to the rifted block that separated from mainland China as a direct consequence of the opening of the South China Sea basin in the Oligocene.  The block, considered an integral part of the Eurasian plate, is basically continental in nature except for marginal basins created along its edges.

       The offshore West Palawan consists of three sedimentary basins namely, Northwest Palawan, Southwest Palawan and Reed Bank.  The Sulu Sea region is composed of the East Palawan and the Sulu Sea basins including the sub-basins of Balabac, Bancauan and Sandakan.  The area of each basin ranges from 36,000 to 92,000 sq km (Sulu Sea is bigger but it is partly covered by oceanic crust). 

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Last Update: 8 August 2002
CCOP CAGAYAN BASIN CENTRAL LUZON BASIN WEST LUZON BASIN ILOCOS TROUGH BICOL SHELF SOUTHEAST LUZON BASIN VISAYAN BASIN WEST MASBATE-ILOILO BASIN NORTHWEST PALAWAN BASIN MINDORO-CUYO BASIN AGUSAN-DAVAO BASIN COTABATO BASIN SULU SEA BASIN SOUTHWEST PALAWAN BASIN EAST PALAWAN BASIN REED BANK BASIN