Restructuring plans announced by oil giant Chevron could put more than one thousand jobs at risk.

Chevron has announced that a restructuring plan would involve sweeping cuts across its global operation, raising fears of job losses at its Pembroke refinery, which employes 600 permanent workers and 800 contractors.

Staff were informed on Monday of the plans but no final decisions have been made.

Chevron spokesman Lloyd Avram said: “It’s going to be a leaner organisation with fewer positions, but we have not yet determined the number of positions we need.”

He added that there are plans to exit certain markets but Chevron has not decided whether to close any of its refineries.

Chevron said more information is expected to be released in March.

The Pembroke refinery, the fourth largest in the UK, opened in 1964 and processes 220,000 barrels of crude oil a day.

Preseli Pembrokeshire MP Stephen Crabb said: "I am deeply concerned about the possibility raised today about major job losses at the Chevron refinery at Pembroke. As the largest private sector employer in Pembrokeshire, the refinery is of critical importance to the local economy. Its loss would be a catastrophic blow to the area.

"I held discussions there a week ago with the general manager regarding the future of UK oil refining and the current investment going into the Pembroke refinery. This followed a meeting I had with the Energy Minister in London just before Christmas to discuss threats to the sector.

"There is no question that oil refining in the UK is currently facing a very challenging commercial environment but I came away from the meeting with Chevron optimistic that the scale and efficiency achieved at its Pembroke site means that it is well-placed to weather the current storm affecting the industry."

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