Oil Search has continued drilling at the Gobe Footwall 1 exploration well in PDL 4 in Papua New Guinea heading into 2020.
The company focussed drilling through the Darai Formation in a 12.25-inch hole, from 2226 metres to 2914 metres, in December last year.
Oil Search drilled at a more vertical angle to reach its aim of testing a footwall structure west of the Gobe Main field.
The borehole was consequently plugged-back and a sidetrack was drilled from 1230 metres, reaching the depth of 2393 metres at the end of December, according to Oil Search.
“The forward plan is to drill ahead and set 9 5⁄8-inch casing and then drill an 8.5-inch hole towards the target lagifu and Toro reservoirs,” Oil Search stated in an ASX announcement.
Oil Search also spudded the Mitquq well around nine kilometres from the planned Nanushuk Central processing facility location in the Alaska North Slope during December.
By the end of the month, the well had completed drilling the surface section and had reached a depth of 764 metres.
Oil Search aimed to test a Pikka Nanushuk analogue play with potential tie-back to planned Pikka infrastructure.
The company flagged the potential of penetrating secondary targets to evaluate exploration upside within the Torok, Kuparuk C and Alpine C reservoirs.
Oil Search also plans to drill ahead to evaluate prospectivity within the wellbore and drilling a sidetrack to an offset location for further reservoir evaluation.