1,082 articles
Patos-Marinza Oil Field
The Patos-Marinza oil field is a heavy-oil field in central Albania, east of Fier, discovered in 1928 and one of the largest onshore oil fields in Europe.
Paulínia Refinery
The Paulínia Refinery (REPLAN) is a Petrobras oil refinery in Paulínia, Brazil, opened in 1972 and the largest in the country at 434,000 barrels per day.
Pauto Sur Oil and Gas Field
The Pauto Sur Oil and Gas Field is an onshore field in Colombia's Llanos basin, Casanare, discovered in 1995 and described as the country's largest gas producer.
Payara Oil and Gas Field
Payara is an offshore oil field in Guyana's Stabroek Block, operated by ExxonMobil, producing up to 220,000 barrels daily through the Prosperity FPSO since 2023.
Paydar West Oil and Gas Field
Paydar West Oil and Gas Field is an onshore heavy oil field in western Iran that straddles the Iran-Iraq border, discovered in 1980 with production beginning in 1995.
Pazanan Oil and Gas Field
Pazanan Oil and Gas Field (پازنان) is a supergiant onshore field in the Zagros Fold Belt of southwest Iran, discovered in 1936 and proven as an oilfield in 1961.
Pelican Lake (Alberta oil project)
Pelican Lake is a heavy crude oil field in north-central Alberta, Canada, discovered in 1978 and known as the first successful polymer flood in heavy oil.
Pelican South
Pelican South is a natural gas field in the Neptun Deep block, about 160 km offshore in the Romanian sector of the Black Sea, discovered in 2014.
Penglai 19-3 Area 5/10 Oil Field
Penglai 19-3 Area 5/10 Oil Field (蓬莱19-3 5/10区) is an offshore oil field in the Bohai Sea, China, begun in 2023 and operated by CNOOC with ConocoPhillips China.
Pennington Oil and Gas Field
Pennington Oil and Gas Field is an oil and gas field in the Niger Delta of Nigeria, discovered by well Pennington-1 in 1964 and currently operated by NNPC Ltd.
Perdido (oil field)
Perdido is a deepwater oil and gas development in the Gulf of Mexico operated by Shell, which began production in 2010 through the world's deepest spar platform.
Perdido Development
The Perdido Development is a Shell-operated deepwater oil and gas complex in the US Gulf of Mexico using the world's deepest spar platform, with first production in 2010.
Peregrino Oil and Gas Field
The Peregrino Oil and Gas Field is a heavy-oil field in Brazil's Campos Basin, 85 kilometers offshore Rio de Janeiro, producing around 110,000 barrels daily since 2011.
Peshkabir Oil Field
Peshkabir is an onshore oil field in the Kurdistan Region of Iraq, 18 kilometers west of the Tawke field, ramped to more than 50,000 barrels per day by 2018.
Petroleum in the United States
Petroleum in the United States covers oil production, refining, and trade in the US, the world's largest crude producer since 2018 with record output of 13.6 million barrels per day in 2025.
Petroleum industry in Nigeria
The petroleum industry in Nigeria, also called the oil industry in Nigeria, is Africa's largest crude-producing sector, anchored in the Niger Delta since the 1956 Oloibiri discovery.
Petroleum naphtha
Petroleum naphtha is a light hydrocarbon fraction distilled from crude oil, boiling between roughly 100 and 400 °F, used for gasoline blending, petrochemical feedstock, and as a solvent.
Petroleum refining processes
Petroleum refining processes are the industrial operations by which refineries convert crude oil into gasoline, diesel, jet fuel, and petrochemical feedstocks through three basic steps: separation, conversion, and treatment.
Petronor refinery
The Petronor refinery is an oil refinery in Muskiz, Biscay, in northern Spain, operated by a Repsol subsidiary and among the largest refineries in Spain.
Petrophysics
Petrophysics is the study of the physical properties of rocks and their fluids, used chiefly to evaluate how much oil or gas a reservoir can store and how easily it flows.
Pikka
Pikka is an oil field and production unit on Alaska's North Slope, developed in the Nanushuk formation by Santos and Repsol, with first oil reached in May 2026.
Piltun-Astokhskoye Oil and Gas Field
Piltun-Astokhskoye (Пильтун-Астохское) is an offshore oil and gas field in the Sea of Okhotsk off Sakhalin Island, discovered in 1986 and producing Russia's first offshore oil in 1999.
Plamuk Oil and Gas Field
Plamuk Oil and Gas Field (ปลาหมึก, Thai for "squid") is an offshore oil and gas field in the Gulf of Thailand, discovered in 1996 and operated by Chevron.
Plug and abandonment
Plug and abandonment (P&A) is the permanent sealing of a well no longer viable for production, using cement or mechanical plugs to stop reservoir fluids contaminating aquifers.
Plutonio Oil Field
Plutonio is a deepwater oil field in Block 18 offshore Angola, about 300 km northwest of Luanda, discovered in 1999 and producing since 2007 through the FPSO Greater Plutonio.
Pokachevskoye Oil Field
The Pokachevskoye Oil Field is a mature oil field in Khanty-Mansi Autonomous Okrug, Western Siberia, Russia, discovered in 1970 and operated by LUKOIL, giving its name to the city of Pokachi.
Pokché Oil and Gas Field
The Pokché Oil and Gas Field is a shallow-water field in the Gulf of Mexico off Mexico, discovered in 2016 and producing since 2020 under state operator Pemex.
Pokoch Oil and Gas Field
Pokoch is a shallow-water oil and gas field in the Gulf of Mexico, 42 kilometers off Campeche, Mexico, developed with the Ichalkil field and producing since 2021.
Pokrovskoye Oil Field
Pokrovskoye Oil Field (Покровское месторождение) is a large oil and gas field in Orenburg Oblast, Russia, about 80 km northeast of Buzuluk, discovered in 1959 and developed since 1963.
Polvo Oil and Gas Field
The Polvo Oil and Gas Field is an offshore oil field in the Campos Basin, Brazil, about 100 kilometers east of Cabo Frio, producing since 2007.