ConocoPhillips Australia's Environment Plan was accepted by Australia’s independent regulator, the National Offshore Petroleum Safety and Environmental Management Authority (NOPSEMA), in February 2025.

  • Exploration activities at Essington-1 were completed in early December 2025. All anchors and mooring chains were successfully retrieved as of 29th December 2025.
  • Exploration activities at Charlemtont-1 were completed in mid-January 2026. All anchors and mooring chains were successfully retrieved as of 7th February 2026.
  • While there is no remaining equipment at the Essington-1 and Charlemont-1 locations, the 500m Petroleum Safety Zones was active until 1 March 2026.
  • The claim period for commercial marine users affected by the Essington‑1 and/or Charlemont-1 exploration activities closed on 2nd September 2026.

The Regia MSS Environment Plan is currently under assessment with Australia's independent regulator, the National Offshore Petroleum Safety and Environmental Management Authority (NOPSEMA).