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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.
Petroleum Resources Management System
The Petroleum Resources Management System (PRMS) is a global standard for classifying petroleum reserves and resources, sponsored by the Society of Petroleum Engineers and first issued in 2007.
Petroleum Sarawak Berhad
Petroleum Sarawak Berhad (PETROS) is the state-owned oil and gas company of Sarawak, Malaysia, incorporated in 2017, wholly owned by the state government, and sole domestic gas aggregator.
Petronas
Petronas (Petroliam Nasional Berhad) is Malaysia's national oil and gas company, wholly owned by the government and established in 1974 under the Petroleum Development Act.
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.
Petroperú
Petroperú, formally Petróleos del Perú S.A., is Peru's state-owned petroleum company, created in 1969 by decree during nationalization, which refines and distributes fuels and operates the Norperuano Oil Pipeline.
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.
PetroTal Corp
PetroTal Corp is a Canadian-incorporated oil and gas company whose flagship asset is the Bretaña heavy oil field in the Marañon Basin of northern Peru, in production since 2018.
Phillips 66
Phillips 66 is an American integrated downstream energy company headquartered in Houston, Texas, spun off from ConocoPhillips as an independent company in 2012, with refining, midstream, and chemicals operations.
Phillips Petroleum
Phillips Petroleum was an American integrated oil and gas company incorporated at Bartlesville, Oklahoma, in 1917, which made the first economic oil discovery off Norway before merging with Conoco in 2002.
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.
Polymer flooding
Polymer flooding is an enhanced oil recovery method that thickens injection water with polymers like HPAM, improving sweep efficiency; China's Daqing oilfield is its largest application.
Port Arthur Refinery (Valero)
The Port Arthur Refinery is a Valero-owned petroleum refinery in Port Arthur, Texas, processing 435,000 barrels of crude daily into gasoline, diesel, and jet fuel.
Port of Açu
The Port of Açu (Porto do Açu) is a privately owned port-industrial complex in São João da Barra, Rio de Janeiro state, Brazil, and the largest in Latin America.
Porvoo refinery
The Porvoo refinery is an oil refinery in Kilpilahti, Porvoo, Finland, owned by Neste and Finland's only crude oil refinery since the Naantali refinery closed in 2021.
Possible reserves
Possible reserves are the most uncertain category of petroleum reserves, less likely to be recoverable than probable reserves, with at least a 10% recovery probability.
Potential test (petroleum)
A potential test is a well testing procedure in petroleum engineering that estimates the theoretical absolute open flow (AOF) rate at zero sandface backpressure, used for reservoir assessment and production allocation.
Potochnoye Oil Field
Potochnoye Oil Field (Поточное месторождение) is a large oil field in the Khanty-Mansi Autonomous Okrug, Western Siberia, discovered in 1974 and operated by LUKOIL-Western Siberia.
Povkhovskoye Oil Field
The Povkhovskoye Oil Field (Повховское) is a large, mature onshore oil field near Kogalym in Western Siberia, Russia, discovered in 1972 and operated by LUKOIL subsidiary TPP Povkhneftegaz.