Tap yesterday said Agamemnon-1, the second of three deviated wells in production licence TL/6 to be drilled from a single surface location, was drilled to a target about 1.8km to the southeast of this location.

But after yesterday being drilled ahead to a planned total depth, which was not specified, logging data showed reservoirs in the prospect to be water bearing, with minor hydrocarbon indications, the company said.

Tap said the well would now be plugged back to begin the sidetrack drilling of Priam-1, the third well in the program.

Priam-1 will be drilled as a deviated well to a target about 1.5km to the northeast from the same surface location. It is expected to take about five days to reach its proposed total vertical depth.

Tap last week announced it had plugged Hector-1, the first exploration well in TL/6 after reservoirs there were also found to have insignificant hydrocarbon indications.

The Harriet joint venture comprises Apache Northwest (68.5%), Kufpec Australia (19.2771%) and Tap (Harriet) (12.2229%).