In Palworld, the Oil Rig chests offer valuable rewards but are challenging to access due to their guarded location and specific entry requirements. The Oil Rig itself, controlled by the Rayne Syndicate, is a late-game area accessible near Marsh Island. Players often prepare with high-level armor, powerful ranged weapons like the Rocket Launcher, and the use of fast swimming or flying mounts (although flying is risky due to homing turrets).

The rig contains two main types of chests: big chests and small chests. Big chests typically appear at four primary locations (labeled A through D), each guarded by Syndicate forces. These chests often contain rare items such as large oil caches, quad missile launcher schematics, and other legendary items. Small chests, which remain in fixed locations, are less guarded and contain resources like oil, dog coins, and rare schematics that respawn every in-game day.

For efficient collection, players recommend mapping out the chest locations and using strategies like HALO drops to bypass some ground defenses and reach central areas more safely​