Xstate Resources Limited (ASX: XST) has provided an operations update for Diona-1 within the Diona block, ATP 2077, in the Surat–Bowen Basin, Queensland (Figure 1). As at the time of writing, the well had reached 2,479 m MD, intersected its Jurassic primary target (non-hydrocarbon-bearing), and on entering the Permian encountered an ~181 m hydrocarbon-prone sequence with a significant overpressured gas column.