The first entry is always the pin's source. Overall confidence is a weighted average of how firmly each reference supports the start and end times used above; a reference counts half as much for every 180 days older than the newest.
Aramco's[5][6] 26 February 2026 release says it 'started production of the first unconventional shale gas at Jafurah in December 2025', and World Oil[4] reported on 3 December 2025 (citing Reuters and the 2026 budget statement) that Aramco 'has begun gas production from the first phase', so the start falls on 1-2 December; pinned to 1 December.
Oil & Gas Journal, 26 February 2026: Aramco[1][5][6] said production of first unconventional shale gas at Jafurah began in December 2025.
Enterprise, 4 December 2025: Aramco[1][5][6] has started production from the Jafurah gas plant, first phase online at 450 mn cf/d, per the 2026 budget statement.
World Oil, 3 December 2025, citing Reuters: the start of first-phase production was disclosed in the Saudi Ministry of Finance's 2026 budget statement; phase one producing 450 MMcfd.
Aramco[1][6], 30 June 2024: 'initial start-up anticipated in the third quarter of 2025' for Jafurah phase one; lifecycle investment expected to exceed $100 billion.
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