The Arctic has become a theatre for rival claims over a sea floor believed to be rich in minerals, oil and gas.

The United States is now the world’s leading producer of natural gas. With LNG exports scheduled to begin within the next six months, America’s oil and gas renaissance will soon provide both substantial domestic and foreign economic benefits. If US LNG can be imported into regions where there is only a single, monopolistic producer, then strategic benefits could accrue as well.

In the medium term, Iran’s gas will not be able to compete with the Russian gas in the European market.

Seven months after Russia made the latest changes to its oil tax regime, the industry seems to have been able to adapt more easily to the new landscape than had been expected at the turn of the year. However, market experts have warned that the government must consider more fiscal reforms as the current system is continuing to distort the sector. The so-called tax maneuver, which includes a phased reduction in export duty for crude and oil products over 2015-2017 and an increase in oil extraction tax, was introduced in January.

Oil and gas production from the North Sea is expected to increase for the first time in 15 years despite a global slump in the price of crude and hundreds of job losses in the industry.

Nabors Industries Ltd. ("Nabors")(NYSE: NBR)today reported second-quarter revenue and earnings from unconsolidated affiliates of $862 million, compared to $1.42 billion in the first quarter of 2015, and $1.62 billion in the second quarter of last year. The comparable quarters included $367 million and $535 million respectively, in revenue from Completion and Production Services, a business line that merged with C&J Energy Services on March 24, 2015. Beginning in the second quarter, Nabors' results reflect equity-method accounting for this investment on a quarter-lag basis.

On a reported basis, due to a non-cash, full-cost ceiling charge, Devon had a net loss of $2.8 billion, or $6.94 per diluted share, for the second-quarter 2015. This compares with second-quarter 2014 reported net earnings of $675 million, or $1.64 per diluted share.

Gazprom's gas prices are pegged to oil with a six-month lag, which means its customers are currently paying the equivalent of $45-$50 per barrel seen in January 2015 when oil prices crashed following a decision by OPEC not to reduce output.

US shale gas is the unexpected loser from President Barack Obama’s climate plan, as the White House abandons its previous enthusiasm for natural gas as a cleaner alternative to coal.

BP’s second-quarter replacement cost (RC) loss was $6,266 million, compared with a profit of $3,182 million a year ago.