The development of economic relations starting with the so-called suitcase trading of the early 1990s when Russian and Turkish tourists began to visit each other’s country, engaging in cross-border commerce, and ending with complex investment project such as Russia’s planned Akkuyu nuclear power plant in Turkey contributed to the softening of those rivalries.

"Indonesia is an important country for Saudi Arabia, a rising global economy, we would like to be a part of the growth of Indonesia," Saudi Aramco CEO Amin H Al-Nasser said at the signing of the initial agreement to upgrade the Cilacap refinery in Indonesia's Central Java province.

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.

Nowadays the proven shale gas reserves across the globe were estimated at about five trillion cubic meters, which was less than three per cent of the world's aggregate proven gas reserves.

The government hopes international companies will commit at least $100 billion that Iran says it needs to boost oil-production capacity by more than 1 million barrels a day.

“The regional potential is being realised, and the Israeli gas discoveries look to play a key role in shaping the regional energy market,” said Yossi Abu, chief executive of Delek Drilling, in a statement announcing the Egyptian agreement. “The deal with Dolphinus is further proof of the political and economic benefits that may be derived through regional co-operation between states and energy companies.”

“I think, Iran can become a major gas supplier to the Persian Gulf and regional markets, but European LNG markets are a tough competitive place for Iran."

U.S. Rig Count is down 13 rigs from last week to 744, with oil rigs down 9 to 555, and gas rigs down 4 to 189.

Oil, natural gas and coal producers are risking $2.2 trillion by investing in projects for which there will be no demand if the world meets a United Nations target of limiting the rise in temperature to less than 2 degrees Celsius, a non-profit think tank said.

"Russia has made huge investments in exploration, refining, and transportation of gas and holds a great share of supplying security. The country plans to increase its output to 855 billion cubic meters per year by 2035," Putin said.