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Gryphon , the Coron structure is 'on trend' and analogeuos to Malampaya. The below will answer your question ...imo.
SALTY

The Camago-Malampaya Oil Leg is a 56-meter thick oil zone that occurs right below the 600-meter thick gas cap being produced by the Service Contract No. 38 consortium since October 2001 as part of the Malampaya Deep Water Gas-to-Power Project. This oil rim was initially discovered with the drilling of Malampaya-1 well in 1991 but was considered at the onset as a separate development from the much larger natural gas reserves comprising the bulk of the Malampaya petroleum resources. The Malampaya oil zone occurs at a vertical depth of 3,332 to 3,388 meters below sea level in a Late Oligocene carbonate reservoir composed of packstones and reef debris.

To determine the potential for producing the Malampaya oil, an extended well test (EWT) was conducted on Malampaya-10 (MA-10) well from December 2001 to April 2002. A one-kilometer horizontal section was successfully drilled through the limestone reservoir at a depth of 3,375m below sea level. A maximum oil production rate of 25,100 barrels per day was achieved and a total of 1.88 million barrels were produced and sold during the extended well test.

The government has been eagerly pursuing the development of the CMOL to help reduce the country’s dependence on imported oil. On November 29, 2005, President Gloria Macapagal-Arroyo issued Executive Order (EO) No. 473 which tasked the DOE to immediately develop and produce the oil from the Camago-Malampaya reservoir. This led to the signing of the Terms of Service between the DOE and PNOC on March 17, 2006. On the same date, the DOE, PNOC and the Malampaya SC-38 consortium also inked a tripartite agreement to allow smooth coordination between the gas and oil projects and ensure the safe development of the oil rim and unhampered operations of the Malampaya DeepWater Gas Project.

PNOC EC, in coordination with the DOE, is currently preparing the Terms of Reference and bidding guidelines for the selection of the prospective partner for the CMOL Project. This is in line with Executive Order No. 556 issued by the Office of the President, Malacañang.