Britain's oil and gas sector has lost over 5,000 jobs since late 2014 as a slump in oil prices has severely squeezed oil companies' budgets and led to project cancellations.

The U.K. government will make keeping the lights on the top priority with natural gas and nuclear power playing a central role in that goal, Energy and Climate Change Secretary Amber Rudd is expected to say in a major speech later Wednesday setting out a new energy policy for the country.

Britain has told Russian oligarch Mikhail Fridman he was still welcome to invest in the country even after he was forced to divest gas assets there under pressure from the previous government.

Swiss chemicals giant Ineos has bought its first British North Sea gas fields from Russian billionaire Mikhail Fridman's investment fund LetterOne, outlining plans to further expand its energy resources to supports its petrochemical business.

The offers, which were submitted in July, nevertheless fell far short of LetterOne's target price of up to $1.2 billion, with the highest offers coming in at around $750 million, according to several sources close to the process.

Britain’s oil and gas platform builders are facing their worst downturn in orders for 25 years, threatening thousands of jobs across the UK.

Britain's North Sea oil and gas sector has shed more than 5,000 jobs since late last year, the country's new Oil and Gas Authority said on Monday, putting an official figure on job losses resulting from a year-long decline in oil prices.

The deal with BASF gives Gazprom full control of a jointly operated European gas trading and storage business, the main strategic rationale.

Britain's North Sea oil and gas sector has shed more than 5,000 jobs since late last year, the country's new Oil and Gas Authority said on Monday, putting an official figure on job losses resulting from a year-long decline in oil prices.

Low oil prices have tightened the screws on some of the most depleted and costly oilfields in Britain's North Sea, forcing operators to cease production earlier than planned and adding to fears of a domino effect in mature areas.