In addition to a £250m UK City Deal signed earlier in the day, the PM has set out an action plan of further measures to help build a bridge to the future for the industry, which is vital for our energy security and has been at the heart of the UK economy for decades, generating jobs, skills and growth.

Baker Hughes Fourth Quarter and Annual Results: - Revenue of $3.4 billion for the quarter and $15.7 billion for the year - Sequential and year-over-year decremental operating margins for the quarter were 33% and 32%, respectively - GAAP net loss per share of $2.35 for the quarter, includes $2.14 per share of impairment and restructuring charges and merger-related costs - Free cash flow up 25% sequentially to $436 million for the quarter, and $1.2 billion for the year

Three leading US shale oil producers have announced steep cuts in their planned capital spending, as they set their budgets to respond to the collapse in crude prices.

During the next eight days, independent U.S. oil explorers are expected to report 2015 losses totaling almost $14 billion, the result of the steepest price collapse in a generation.

The upstream, oil field services, midstream, and downstream businesses during the year collectively saw just 379 M&A deals take place, down from the 709 that occurred in 2014, and 409 and 389 that respectively took place in 2008 and 2009 amid the Great Recession. Total value in 2015 was $286.23 billion, down from $353.97 billion in 2014.

European stocks deepened a monthly rout as disappointing earnings reports reignited investor concern about global growth prospects and oil prices resumed their downward trend.

China's oil demand will grow 4.3 percent this year to surpass 11 million barrels per day, compared to 4.8 percent growth last year.

With China's economy growing at its slowest pace in a generation and Asia's trading powerhouses Japan and South Korea struggling to create growth, Asian fuel oil demand for container ships should stagnate in 2016, putting more pressure on a market that struggled last year.

"The simple fact is that the accepted oil narrative has become uniformly negative," he said. "Prices will eventually have to move to a level that creates supply rather than destroys it.... We believe that price to be well above current levels."

Last month, David Rubenstein, a founder of private-equity firm Carlyle Group, said he anticipates “maybe the greatest energy investing opportunities we’ve ever seen.” Marc Lasry, founder of hedge fund Avenue Capital, has described energy as a “once-in-a-lifetime opportunity.”