The 'Santos WA Northwest Pty Ltd - Reindeer Wellhead Platform and Offshore Gas Supply Pipeline Operations' EP is a 5-year revision and comprises all activities that are associated with the operation of the Reindeer wellhead platform (WHP) and associated wells within permit area WA-41-L and the offshore section of the Devil Creek Gas Supply Pipeline (DC supply pipeline; WA-18-PL) in Commonwealth waters. These are collectively referred to as the Reindeer facilities.

The Reindeer facilities are located approximately 80 km offshore, northwest of Dampier, in the Barrow Sub-basin on the Northwest Shelf Province in the North-west Marine Region. The Reindeer facilities are situated in water depths of 58 m and are comprised of the:
• Reindeer wellhead platform (WHP) - unmanned;
• 3 conventional production wells (gas/condensate) tied back to the wellhead platform (plus one temporarily abandoned well not connected to the WHP) which are remotely controlled from onshore; and,
• A single subsea and offshore gas pipeline linking the WHP to the onshore gas treatment plant.