BILLION BARREL BONANZA, page-24

“Service Contract 58 or the West Calamian block in Palawan, could contain "over 5 billion barrels of unrisked oil in place."

"The majority of core data indicates widespread micro-seepage of liquid hydrocarbons across SC 58 based on preliminary gas chromatography results," the company said.

Nido head of exploration Jon Pattillo said "the widespread distribution of liquid hydrocarbon micro-seepage implies the presence of an extensive and active oil and gas-prone source system across the most prospective sector of deepwater SC 58."

Looks like not too deep & EXTENSIVE