Prices have struggled to go much higher than $50 a barrel. After the longest run of gains since March, Brent crude, the international benchmark, traded 0.9 percent higher at $51.17 at 7:13 a.m. in London on Friday.

The slumping oil price has carved a chunk out of Australian oil and gas majors, with Woodside Petroleum reporting that profits halved in the first six months of the year while Santos swung to a loss of more than $1bn.

“This period of low oil price is not a time to jeopardize Nigeria’s long term interests by showing Nigeria as a place not to be trusted, and projecting our business environment as unconducive,”

Nigeria's crude oil production disruptions are concentrated in the Niger Delta region, an oil-rich area bordering the Gulf of Guinea that is the mainstay of the country's crude oil production. Since the beginning of 2016, the Niger Delta Avengers (NDA) have conducted many attacks on oil and natural gas infrastructure throughout the region. Although not the only militant group conducting attacks in the region, the NDA is currently the most active.

The U.S. Energy Information Administration said Wednesday that crude stockpiles fell by 2.5 million barrels in the week ended Friday. Analysts surveyed by The Wall Street Journal had expected a 500,000-barrel addition. Gasoline stockpiles fell by 2.7 million barrels. That helped the oil markets recover from losses tied to estimates from the American Petroleum Institute, an industry group, showing gasoline stockpiles rose by 2.2 million barrels.

OPEC revenue has fallen in step with the steep decline in crude oil prices. The monthly average Brent spot price dropped from $112 per barrel in June 2014 to $38/b in December 2015. OPEC revenue is expected to fall further in 2016 to $341 billion before rising to $427 billion in 2017.

Oil Production was 1 728 000 barrels, and is the largest monthly oil production volume in five years (March 2011). Total gas sales were 9.1 billion Sm3 (GSm3), which is an increase of 0.9 GSM3 from the previous month.

The world's fifth-largest crude importer has continued to buy more crude oil from Iran since sanctions were lifted in January. Shipments of Iranian crude more than doubled to 7.22 million tonnes, or 248,616 bpd, in the January-July period of 2016 from a year earlier, according to its customs office data.

The Russian government has issued the license for the Central Oil and Gas Company – a joint venture between Lukoil (25%), Gazprom (25%) and Kazakhstan’s KazMunaiGaz (50% ) – to develop the Central field.

Indonesia's Pertamina has signed a deal with Petrochemical Commercial Company (PCC) of Iran for the import of refined petroleum and petrochemical products.