The Cobra-1 well in petroleum prospecting licence 190 is 13km east of the SE Gobe oilfield and 7km east of the Bilip oil discovery.
It targets the Iagifu sandstone, which is the principal reservoir in the Gobe and SE Gobe fields, in a seismically-defined sub-thrust prospect.
Oil Search said the well is the first in PNG to target a sub-thrust play as the primary target.
Cobra-1 has a planned total depth of 3100m.
Participants in the well are operator Oil Search (62.556%), Murray Petroleum (26.497%) and Cue Energy (10.947%).
In other news, Oil Search reported that drilling was progressing at the NW Paua-1 well in PNG, the Salma-1 ST and South Gharib-X1 wells in Egypt as well as the Dahgah-1 well in Yemen.