Petrobras has had what the Financial Times newspaper described early last month as an "annus horribilis", reporting its first quarterly loss in 13 years in the second quarter, disappointing investors in the third quarter, and facing a 40 per cent plunge in its share price over the year.
Among its difficulties have been falling production, foreign currency losses caused by the need to import fuel owing to a lack of refining capacity in Brazil, government interference, and most recently an order to pay back taxes of US$2.4 billion dating back a decade, relating to offshore activities.
Key said he understood Petrobras was "going through a bit of a regrouping phase and they're stepping back from what they're doing. I don't think it has got anything to do with the capacity to do the mining activity they were looking at undertaking.'
"I think it's the context of their local and domestic issues they're dealing with" and should not be seen as a blow to the government's agenda for accelerating economic growth through oil and gas discoveries.
"I wouldn't really put it in those terms. That's a long-term project and opportunity out there. There are plenty of other people looking at lots of other options in the Canterbury Basin and the likes."
Key did not believe the court challenge from Greenpeace or Te Whanau a Apanui played any role in the decision.
MBIE Director Petroleum Kevin Rolens said Petrobras had the option to surrender its permit after gathering 3,305 kilometres of 2D seismic data during its exploration.
"This is a commercial decision, based on a number of factors including how the company will be prioritising its oil and gas exploration portfolio worldwide."
The Raukumara Basin is "an important frontier basin" for future oil and gas exploration activity in New Zealand, Rolens said.
"It is a relatively unexplored area, where no commercial activity had previously been undertaken and I expect that the data will be of interest to other companies exploring in New Zealand.
"The work Petrobras has done has added to the information regarding the potential for oil and gas projects in the region and will be freely available for other companies wanting to explore."
- with nzherald.co.nz