Denver-based Liberty Resources plans to take another run at an enhanced oil recovery project east of Tioga near Powers Lake.

The ND Industrial Commission approved the company's application this week to use an injection well for EOR purposes. Liberty previously worked in cooperation with EERC and the Department of Energy on an EOR project in its Stomping Horse Complex in Williams County. The project injected rich gas into an existing oil-bearing formation, but was not able to build adequate pressure to achieve the desired result.

The project approved this week is different, according to Lynn Helms, director of the Department of Mineral Resources. Helms said Liberty's injection mix will include a bio-surfactant intended to improve the lubricity of underground oil.

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