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LONDON - Mosman Oil and Gas Limited (AIM:MSMN) announced Monday it anticipates receiving critical regulatory approvals for its Sagebrush and Coyote Wash helium projects in Colorado by mid-August 2025.
At the Sagebrush Project, where Mosman holds an 82.5% working interest, the company expects formal Tribal approval from the Ute Mountain Ute Tribe for a 3D seismic survey following completed biological and cultural assessments. The seismic acquisition program is scheduled to begin in late September.
Mosman is also working to secure Bureau of Indian Affairs (BIA) approval for the assignment of the Seeley lease at Sagebrush, a step needed to conduct an extended production test at the Sagebrush-1 well, where historic analysis recorded helium concentrations of 2.76% from the Leadville Formation.
The company has engaged Sproule, an energy consulting firm, to provide an independent estimate of helium resources at Sagebrush, with results expected by late August.
For the Coyote Wash Project, where Mosman holds a 100% working interest across 4,320 acres, the final Environmental Assessment was completed on July 17 and is undergoing a 30-day public comment period. BIA approval is expected by mid-August, which would provide Mosman with a fully permitted exploration and development agreement covering six drill-ready helium prospects identified through reprocessed 3D seismic data.
Upon receiving these approvals, Mosman plans to commence 3D seismic acquisition at Sagebrush, conduct an extended flow test of Sagebrush-1 later this year, and advance Coyote Wash toward drilling in 2026.
The information was disclosed in a company press release statement.
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