Philippines: San Isidro anticline wildcat spuds

By OGJ editors
HOUSTON, Apr. 19
-- Otto Energy Ltd. has spud the Duhat-1 wildcat projected to 1,000 m on the San Isidro anticline on Leyte Island, Philippines.

The well targets oil in Miocene Tagnocot sandstones. DESCO Rig 1 is on site.

Duhat-1 will be the only modern deep exploration well in northwest Leyte, Otto Energy said. Hydrocarbon shows in several shallow wells drilled in the block and the presence of numerous oil seeps indicate the presence of an active petroleum system. Duhat-1, if successful, could be followed by more exploratory drilling on nearby look-alike structures.

Otto Energy’s NorAsian Energy Ltd. subsidiary is operator of the 3,320 sq km Service Contract 51 with 40% interest (OGJ Online, Jan. 7, 2011). Swan Oil & Gas Ltd. has 40%.

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