Oil bobbing around the US$50 mark was the "the elephant in the room" at the Advantage New Zealand Petroleum Summit but veteran oil man Sean P Flanagan says he's seen it all before.

Refiners are poised to make gasoline at a record pace, keeping the US crude glut from overflowing storage.

Royal Dutch Shell has agreed to buy BG Group for about 47 billion ($92.4 billion) in cash and shares - the oil and gas industry's biggest deal in at least a decade.

Oil rose after Iran's nuclear accord with world powers left the timing of increased crude supplies from the Opec member uncertain and as Saudi Arabia raised prices for shipments to Asia.

New Zealand's next energy game changer could be the "super resource" of gas hydrates, says Shell New Zealand chairman Rob Jager.

A publicly-owned entity must pay Mobil almost $1m in courts costs for its failed attempt to get the oil company to pay for the clean-up of Auckland's tank farm.

Energy Minister Simon Bridges agrees with some of the messages of protestors outside a petroleum summit being held in Auckland today.

Oil and gas sector leaders meet in Auckland today as the industry confronts depressed global prices and conference delegates face protests from activists.

Economic growth, jobs and exports need recognition among the purpose and principles provisions of the Resource Management Act.

Known for their oil fields, refineries, and petrol stations, BP, Royal Dutch Shell and Total are also the world's biggest oil traders.

The price of oil is tumbling again, rattling an already-shaken oil industry and heralding lower prices for consumers.

Greymouth Petroleum's former chief operating officer and his company have been ordered to pay almost $780,000 to the oil and gas firm for negligence associated with a fracking operation and a seismic survey programme in Taranaki.

In the midst of the price swoon, many executives and workers remain confident the oil-sands industry will pull through.

Vigorous seas are reducing the chance of tar balls washing ashore after a split pipe at an offshore platform caused 250 litres of oil to spill into the sea.

Lower oil prices mean the less efficient carriers with older aircraft than Air New Zealand are back in the game, writes Grant Bradley.

Just over one month since its last downgrade of Moscow's credit rating, Moody's said Russia "is expected to experience a deep recession in 2015 and a contraction in 2016".

Energy Minister Simon Bridges says big petrol retailers are "on notice" after they maintained large profit margins while the price of oil was falling sharply late last year.

Job security in Canada remains at elevated levels despite energy companies and retailers firing workers.

New Zealand Oil & Gas, the exploration company, turned in a loss in its first half after the global drop in oil prices.

Enjoy low oil prices while they last, though how long that will be is anyone's guess, writes Brian Fallow.

New Zealand Oil & Gas is fulfilling analysts' predictions that falling oil prices would prompt mergers and acquisitions by mounting a full takeover bid for Cue Energy, just two months after....

The CBOE Crude Oil Volatility Index climbed to 63.14 on February 5, the highest level in almost six years.

Oil prices have made strong gains for a second day, helped by a surprisingly robust jobs report in the United States, the world's largest crude consumer.

Auckland councillors have been bombarded with more than 200,000 emails urging them to oppose the latest proposed oil exploration plan.

Oil and gas company Greymouth Petroleum Holdings wants more than $830,000 in damages from a former director who was ordered by the High Court to sell his stake in his firm.

Oil prices closed higher after a volatile session that saw the New York price drop below US$44 a barrel for the first time since March 2009.