09:41 AM EDT, 07/09/2024 (MT Newswires) -- Pulsar Helium ( PSRHF ) on Tuesday said a seismic survey at the Topaz helium project in Minnesota showed "promising results."

The company carried out a 1.1 km long 2D seismic sweep survey and a further 20.4km long 2D seismic line is scheduled to start this month.

Sproule International is expected to publish an updated resource calculation for Topaz this month, Pulsar said.

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