Revenues of top oil companies declined in the first half of this year

The world's top 12 publicly-traded oil producing companies saw their total net income and revenue decline in the first half of 2019, compared to the same period a year ago, Report informs referring to the Turkish media.

The U.S. Exxon Mobil, Chevron, ConocoPhillips, Halliburton, Schlumberger, Baker Hughes, British BP, Royal Dutch Shell, French Total S.A., Italy's Eni, Russia's Rosneft and Norway's Equinor saw their collective revenue and net income decline year over year.

These 12 companies saw their total net income fall by 11.5% to around $47 billion in the first half of 2019, from approximately $53.1 billion in the first half of 2018, according to the data.

The oil giants also had their collective revenue fall to $789.4 billion in the first six months of this year -- a 3.5% decrease from $818.1 billion from the same period a year ago.

- Shell posts highest income, revenue

Royal Dutch Shell was the oil firm with the highest net income and revenue in the January-June period of 2019 among the 12 energy giants.

The company had a net income of $9 billion in the first half of this year, followed by Chevron with earnings of $6.9 billion, and Total with an income of $5.9 billion.

Shell posted revenue of $177.5 billion in the first six months of 2019. During that period, BP ranked second with $141.1 billion, while ExxonMobil followed in third place with $132.7 billion.

- Oil prices fall by 6.5%

The majority of the decreases in collective net income and revenue for the oil giants was due to a fall in crude oil prices, which saw a year-over-year decline of 6.5%.

International benchmark Brent crude averaged $70.60 per barrel in the first half of 2018, but lost 6.5% to mark an average of $66 a barrel in the January-June period of 2019, according to the official data.