• The district of West Bay, Doha. File photo
  • Oil production in cities of Khanty-Mansiysk Autonomous Okrug
  • This June 29, 2018 photo shows tanks at the Enbridge Energy terminal in Superior, Wis. Enbridge Energy is delaying the startup of its planned Line 3 replacement crude oil pipeline through northern Minnesota by a year.
  • A cyclist walks past an Indian Oil company in Mumbai, India, (File)
  • A Joint Comprehensive Plan of Action (JCPOA) was reached concerning Iran's nuclear program in Lausanne, Switzerland, June 2015.
  • US President Donald Trump tweeted a Game of Thrones-inspired meme promoting his impending sanctions against Iran.
  • Iranian Revolutionary Guard speedboats cruise past an oil tanker off the port of Bandar Abbas, southern Iran, on July 2, 2012
  • Workers look at a drilling rig at a well pad of the Rosneft-owned Prirazlomnoye oil field outside the West Siberian city of Nefteyugansk, Russia, August 4, 2016
  • An oil tanker is pictured off the Iranian port city of Bandar Abbas, which is the main base of the Islamic republic's navy and has a strategic position on the Strait of Hormuzon April 30, 2019
  • Fuel Barrels
  • Members of Libyan National Army (LNA) commanded by Khalifa Haftar, get ready before heading out of Benghazi to reinforce the troops advancing to Tripoli, in Benghazi, Libya April 13, 2019
  • Oil tanker
  • A gas flare on an oil production platform in the Soroush oil fields seen alongside an Iranian flag
  • Storage tanks stand in a PDVSA state-run oil company crude oil complex near El Tigre, a town located within Venezuela's Hugo Chavez oil belt, formally known as the Orinoco Belt
  • Venezuela's oil company PDVSA
  • In this Saturday, Jan. 23, 2016, file photo, an oil pump stands as the Saudi Hawks Aerobatic Team of the Royal Saudi Air Force performs during the Bahrain International Airshow in Sakhir, Bahrain
  • A general view shows Iraq's largest oil refinery in the northern town of Baiji. (File)
  • US President Donald Trump delivers remarks at a Make America Great Again rally at the Resch Center Complex in Green Bay
  • an aerial view shows the third gas refinery of South Pars gas field in Assalouyeh, Iran on the northern coast of the Persian Gulf (File)
  • An Iraqi worker operates valves at the Nahran Omar oil refinery near the city of Basra, 340 miles southeast of Baghdad, Iraq