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Opal, Wyo. • A Wyoming natural gas processing plant is back to supplying its customer demands less than two weeks after an explosion and fire shut it down.

Williams Partners said Tuesday that the plant near the town of Opal (oh-PAL') is processing about 1.1 billion cubic feet of natural gas a day.

That is its normal capacity for this time of year.

On April 23, the plant was shut down by an explosion apparently triggered by a release of natural gas and resulting fire that burned out after five days. The town's residents were evacuated for about a day because of the incident.

The Tulsa, Oklahoma-based company and officials from state and federal regulatory agencies are still investigating the cause.

The plant processes gas produced from western Wyoming and northern Utah wells.