North Sea oil is a mixture of hydrocarbons, comprising liquid petroleum and natural gas, produced from petroleum reservoirs beneath the North Sea.
Petróleo Brasileiro S.A., better known by and trading as the portmanteau Petrobras, is a state-owned Brazilian multinational corporation in the petroleum industry headquartered in Rio de Janeiro, Brazil. The company's name translates to Brazilian Petroleum Corporation — Petrobras.
Azeri–Chirag–Gunashli or Azeri–Chirag–Deepwater Gunashli is a complex of oil fields in the Caspian Sea, about 120 kilometres (75 mi) off the coast of Azerbaijan. It consists of the Azeri and Chirag oil fields, and the deepwater portion of the Gunashli oil field. An overall estimate of the area of the development is 432.4 square kilometres (167.0 sq mi). It is developed by the Azerbaijan International Operating Company, a consortium of international oil companies, and operated by BP on behalf of the consortium. The ACG fields have estimated recoverable reserves of about 5 to 6 billion barrels of petroleum. Peak oil production of 835,000 barrels per day (132,800 m3/d) was reached in 2010, however by the first quarter of 2022 production had declined to 434,000 barrels per day (69,000 m3/d), or about one-half of peak value. As of 2021, ACG oil accounted for 95% of all Azerbaijani oil exports.
Türkiye Petrolleri Anonim Ortaklığı (TPAO) was founded in 1954 by Law No. 6327 with the responsibility of being involved in hydrocarbon exploration, drilling, production, refinery and marketing activities of oil and gas in Turkey as the national company.
QatarEnergy, formerly Qatar Petroleum (QP), is a state owned petroleum company of Qatar. The company operates all oil and gas activities in Qatar, including exploration, production, refining, transport, and storage. The President & CEO is Saad Sherida al-Kaabi, Minister of State for Energy Affairs. The company's operations are directly linked with state planning agencies, regulatory authorities, and policy making bodies. Together, revenues from oil and natural gas amount to 60% of the country's GDP. As of 2018 it was the third largest oil company in the world by oil and gas reserves. In 2022, the company had total revenues of US$52bn, a net income of US42.4bn, and total assets of US$162bn. In 2021, QatarEnergy was the fifth largest gas company in the world.
Venezuela has the largest conventional oil reserves and the second-largest natural gas reserves in the Western Hemisphere. In addition Venezuela has non-conventional oil deposits approximately equal to the world's reserves of conventional oil. Venezuela is also amongst world leaders in hydroelectric production, supplying a majority of the nation's electrical power through the process.
Proven oil reserves in Iran, according to its government, rank fourth largest in the world at approximately as of 2013, although it ranks third if Canadian reserves of unconventional oil are excluded. This is roughly 10% of the world's total proven petroleum reserves. At 2020 rates of production, Iran's oil reserves would last 145 years if no new oil was found.
Oil reserves in Iraq are considered the world's fifth-largest proven oil reserves, with 140 billion barrels.
There have been widely varying estimates of proven oil reserves in Russia. Most estimates included only Western Siberian reserves, which have been exploited since the 1970s and supply two-thirds of Russian oil. However, there are potentially huge reserves elsewhere. In 2005, the Russian Ministry of Natural Resources estimated that another 4.7 billion barrels of oil exist in Eastern Siberia. In July 2013, the Russian Natural Resources Ministry made official estimates of reserves available for the first time. According to Russian Natural Resources Minister Sergey Donskoy, as of 1 January 2012, recoverable reserves of oil in Russia under category ABC1 were 17.8 billion tons and category C2 reserves were 10.9 billion tons.
As of 2007, the proven oil reserves in Mexico were 12.4 billion barrels. The US Energy Information Administration estimated Mexican proved reserves to be 10.3 billion barrels as of 2013.
EnergyinSaudi Arabia involves petroleum and natural gas production, consumption, and exports, and electricity production. Saudi Arabia is the world's leading oil producer and exporter. Saudi Arabia's economy is petroleum-based; oil accounts for 90% of the country's exports and nearly 75% of government revenue. The oil industry produces about 45% of Saudi Arabia's gross domestic product, against 40% from the private sector. Saudi Arabia has per capita GDP of $20,700. The economy is still very dependent on oil despite diversification, in particular in the petrochemical sector.
Bahar is an offshore petroleum reservoir in the Caspian Sea, located 40 km (25 mi) southeast of Baku, Azerbaijan. The field was discovered in 1968 and was first developed in 1969. Prior to 2010, it produced approximately 16.8 million tonnes of oil and 128.7 billion cubic meters of gas. There had been up to 93 wells operating in the field during the peak of production; the number has since decreased to 16.
Gum Deniz is an offshore oil and gas field in the Caspian Sea, located 21 km (13 mi) southeast of Baku, Azerbaijan. The field has been in operation since 1955. Gum Deniz has produced approximately 28.9 million tonnes of oil and 27 billion cubic meters of gas to date. In March 2009, Azerbaijan drilled its last well No. 478 in Gum Deniz field before new production sharing agreement for development of the field was signed with a foreign company in December 2009. The well produces 50 tonnes of oil on daily basis.
Iran is an energy superpower and the petroleum industry in Iran plays an important part in it. In 2004, Iran produced 5.1 percent of the world's total crude oil, which generated revenues of US$25 billion to US$30 billion and was the country's primary source of foreign currency. At 2006 levels of production, oil proceeds represented about 18.7% of gross domestic product (GDP). However, the importance of the hydrocarbon sector to Iran's economy has been far greater. The oil and gas industry has been the engine of economic growth, directly affecting public development projects, the government's annual budget, and most foreign exchange sources.
The Epsilon oil field is an oil field located in north Aegean Sea. It was discovered in 2000 and developed by Energean Oil & Gas. It began production in 2010 and produces oil. The total proven reserves of the Epsilon oil field are around 30 million barrels (4×106tonnes), and production is centered on 2,000 barrels per day (320 m3/d).
The Tanin gas field is a natural gas reservoir located 120 km off the coast of Israel. It is the country's seventh natural gas discovery, located nearby the much larger Leviathan gas field.
Indian Oil Corporation Limited is an Indian Multinational oil and gas company under the ownership of the Ministry of Petroleum and Natural Gas, Government of India. Headquartered in New Delhi, it is a public sector undertaking whose operations are overseen by the Ministry of Petroleum and Natural Gas. Indian Oil is ranked 94th on the Fortune Global 500 list of the world's biggest corporations as of 2022. It is the largest government owned oil producer in the country both in terms of capacity and revenue.It has consolidated refining capacity of 80.55MMTPA which it intends to increase to 107MMTPA by 2024-25. As of 31 March 2021, Indian Oil's employee strength is 31,648, out of which 17,762 are executives and 13,876 non-executives, while 2,776 are women, comprising 8.77% of the total workforce.
According to the United States Energy Information Administration (EIA), Pakistan may have over 9 billion barrels (1.4×109 cubic metres) of petroleum oil and 105 trillion cubic feet (3.0 trillion cubic metres) in natural gas (including shale gas) reserves.
Energean plc is an international hydrocarbon exploration and production company, with a focus on natural gas. It is listed on the London Stock Exchange as well as the Tel Aviv Stock Exchange and is a constituent of the FTSE 250 Index.
In addition to terrestrial oil wells, Canada also extracts oil via offshore drilling.
