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The Gorgon LGN project. Image courtesy of Chevron.

Chevron has temporarily halted production at Train 1 at the offshore Gorgon LNG project for an assessment.

Chevron told Reuters on Wednesday that production at Train 1 has been temporarily paused as the company “assess some recent performance variations.”

Production at Train 2 is unaffected and Chevron said it continues to produce LNG and load cargoes at Gorgon.

Chevron has not disclosed how long the assessment is expected to last or a timeline for restarting Train 1.

Production at Gorgon has been halted several times since operations began in March.

Exports from Gorgon were temporarily halted in April due to mechanical issues with the propane refrigerant circuit on Train 1.

A gas leak forced Chevron to temporarily halt production at Gorgon in July.

Despite the leak, Chevron was still able to export its second cargo from the facility.

Production at Gorgon’s Train 1 experienced a brief outage in early November for minor maintenance work.

That outage did not impact the ramp up of Train 2.

The project is supplied from the Gorgon and Jansz-Io gas fields, located within the Greater Gorgon area, between 80 miles and 136 miles off the northwest coast of Western Australia.

Gorgon includes a 15.6 MTPA LNG plant on Barrow Island, a carbon dioxide injection project and a domestic gas plant with the capacity to supply 300 terajoules of gas per day to Western Australia.

The project is operated by Chevron Australia with a 47.3 percent stake.