Pulsar Helium Inc. (Pulsar) has started drilling to deepen its Jetstream #1 appraisal well at the Topaz project in Minnesota, US. The operation began on 2nd January 2025, marking a key step in the company’s plans to assess the full height of a high helium concentration reservoir.
The drilling aims to extend the well by at least 1,640 feet (500 metres) to a total depth of 3,840 feet (1,170 metres). According to Pulsar, the work is expected to conclude later this week. Open-hole wireline logging will begin immediately after drilling, with flow testing scheduled once the well stabilises.
Initial results from February 2024 revealed helium concentrations of up to 14.5% in the reservoir, far exceeding the industry’s economic threshold of 0.3%. The Jetstream #1 well also recorded carbon dioxide (CO2) levels above 70%, which Pulsar believes will further bolster project economics.
“Deepening of the Jetstream #1 well has commenced and is progressing extremely well,” said Thomas Abraham-James, President and CEO of Pulsar Helium. “The assessment of the full height of the previously discovered high helium concentration reservoir is a key stage in progressing Topaz. Previous drill data indicated that we only reached the top of the reservoir and that it may extend for a further 1,640 feet.”
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