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SS-2H ST1 delivers record Beetaloo Basin IP90 flow rate, maintaining stable gas rate over the final 30-day period

11 Aug 2025 4:10 PM | Anonymous

The Shenandoah South 2H sidetrack (SS-2H ST1) well achieved a Beetaloo Basin record average 90-day initial production (IP90) flow rate of 6.7 million cubic feet per day (MMcf/d) over a 5,483foot stimulated horizontal within the Mid Velkerri B Shale.

  • Over the last 30 days, flow rates from the SS-2H ST1 well have increased by ~2% without any downhole intervention and maintaining a 44/64” choke.
  • At the completion of the 90-day period, the well was flowing at 6.5 MMcf/d with a wellhead pressure of ~700 psi, a ~3% decline from the end of Day 60.
  • The SS-2H ST1 well has now been suspended ahead of the commencement of gas sales to the Northern Territory Government via the Sturt Plateau Compression Facility (SPCF) in mid-2026, subject to weather conditions and final stakeholder approvals.
  • The three well 2025 Shenandoah South drilling campaign continued to progress with the intermediate section of the SS-5H and -6H wells successfully drilled. The rig is currently drilling the intermediate section of the SS-4H well. The campaign is the first multi-well drilling program implementing batch drilling in the Beetaloo Basin.
  • On completion of the intermediate section of the SS-4H well, the rig is planned to commence drilling of the 10,000-foot horizontal sections of the three wells.

Tamboran Resources Corporation Chairman and Interim CEO, Richard Stoneburner, said:

“The performance and character of the SS-2H ST1 well is unique compared to hundreds of wells I have seen in my career. With flow rates increasing over the last 30 days to 6.5 MMcf/d, without downhole intervention or adjustments to choke, I believe we are seeing the enhanced matrix connectivity achieved during the stimulation program. The SS-2H ST1 well represents another encouraging data point as we better understand the Velkerri B Shale’s ultimate performance and recovery.

“Most importantly, at the end of the 90-day period, the well continued to slowly clean up, suggesting that it could have sustained the current rate beyond the testing interval. This data will be important as we prepare to stimulate our first 10,000-foot horizontal section in the Shenandoah South area by the end of the year.

“These results, combined with the SS-1H flow rates in 2024, show the significant potential of the large acreage position surrounding the Shenandoah South area, where we are currently progressing a farm down of ~400,000 acres. The farm down acreage is expected to be developed over the coming years to supply into the anticipated shortfall emerging in the East Coast gas market.”

Source: Read the full announcement: https://loom.ly/c2AeUwA

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