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Nova Lateral Ruptures, Curtails 50 MMcf/d

Nova Lateral Ruptures, Curtails 50 MMcf/d

A Nova Gas Transmission 12-inch-diameter gathering line exploded Sept. 2, causing a fire that injured a pipeline employee. The employee was treated and released. The rupture, which occurred on the northwestern part of Nova's Alberta pipeline system about 60 miles north of Fairview, AB also forced the curtailment of about 50 MMcf/d of gas.

Partial service was restored on the NPS 12 Worlsey Lateral early last Tuesday morning with about 28 MMcf/d of gas returning to service. Restoration allowed for the Slims Lake and McLean Creek production facilities to be brought back online. The remaining facilities will remain out of service for an indefinite period, a spokesman said.

As a result of the rupture, Nova was required to isolate sections of the Worsley Lateral and the Worsley Lateral Extension, and to shut in the following production facilities: Worsley East, Ray Lake West, Running Lake, Ray Lake South, Slims Lake and McLean Creek.

The pipeline was unable to meet some of its transportation obligations as a result of the rupture and declared force majeure. The cause of the rupture and subsequent explosion and fire is not yet known and no estimate of damage is available.

Rocco Canonica

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