Changelog

Version: 1.0.3
Date: 2026-07-10
  Fixes:
    - Removed invalid next_upgrade from heavy oil drill (1x1 cannot upgrade to 2x2 drill).

Version: 1.0.2
Date: 2026-07-10
  Fixes:
    - Lubricant mining drill recipe uses crafting-with-fluid category.

Version: 1.0.1
Date: 2026-07-10
  Fixes:
    - Use engine-unit item name required by Factorio 2.1.

Version: 1.0.0
Date: 2026-07-10
  Features:
    - Added 3-tier petroleum mining drills (heavy oil, light oil, lubricant).
    - Each tier is faster than burner and electric mining drills.
    - Fluid fuel values are set when not already provided by other mods.