The activity is the non-production operations phase of the West Seahorse-3 temporarily abandoned (suspended) wellhead on the seabed in retention lease VIC/RL17 in the Eastern Bass Strait approximately 13 km off the Gippsland coast in a water depth of 39.5 m. The Wardie-1 well also lies within this permit, (approximately 2.8m distance from West Seahorse-3) and is abandoned with a short section of surface conductor remaining approximately 2m above the seabed.

Both wells were originally drilled in 2008 by 3D Oil Limited (3D Oil) and temporarily abandoned / abandoned in accordance with international standards. There have been no further works on West Seahorse-3 or Wardie-1 since this time.