Shell has placed its operations in New Zealand under review.
The oil giant says the company is looking to streamline its global portfolio in the current environment.
It is following a strategy to become a simpler, more profitable and resilient company, and is focusing on large growth opportunities, with deep water and integrated gas as growth priorities.
"The Shell business in New Zealand is a great, but a small part of the global Shell business and hence the decision to undertake a strategic review at this time," said Shell New Zealand chairman Rob Jager.
"New Zealand is a great place to do business and these assets are profitable, well maintained and are an important part of New Zealand's energy mix."
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Mr Jager said the company was aware of the uncertainty the review creates for staff and said it was committed to moving quickly through the process.
Shell has an 83.75 per cent stake in the Maui gas field, a 50 per cent share in Kapuni and a 48 per cent stake in the Pohokura field - all located in Taranaki.
It sold its nationwide network of petrol stations to Z Energy in 2010.
