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Orinoco Belt
The Orinoco Belt, Spanish Faja Petrolífera del Orinoco, is a huge deposit of heavy and extra-heavy crude oil north of Venezuela's Orinoco River, the largest known hydrocarbon accumulation.
Orlando Utilities Commission
The Orlando Utilities Commission (OUC) is a municipally owned electric and water utility serving Orlando and St. Cloud, Florida, created by the state legislature in 1923.
Ormat Technologies
Ormat Technologies, founded in Israel in 1965 and headquartered in Reno, Nevada, develops, builds, owns, and operates geothermal, recovered energy, solar, and energy storage power plants and manufactures their equipment.
Ormen Lange
Ormen Lange is a gas field in the southern Norwegian Sea, discovered in 1997 and producing since 2007; it is Norway's second-largest gas field, developed entirely with subsea equipment.
Ormond Beach power station
Ormond Beach power station is a two-unit natural gas-fired power plant on the coast of Oxnard, California, with both units online since 1971 and a combined capacity of 1,491 MW.
Ormonde Wind Farm
Ormonde Wind Farm is a 150 MW offshore wind farm in the Irish Sea about 10 km off Barrow-in-Furness, England, with 30 five-megawatt turbines fully operational since February 2012.
Orocual Oil Field
Orocual is an oil and gas field in northern Monagas state, eastern Venezuela, about 20 km northwest of Maturín, producing light oil and condensate since its 1933 discovery.
Orot Rabin power station
Orot Rabin (אורות רבין) is a power station on the Mediterranean coast at Hadera, Israel, owned by the Israel Electric Corporation and converting from coal to natural gas.
Ortho-para hydrogen conversion
Ortho-para hydrogen conversion is the interconversion between hydrogen's two nuclear-spin isomers, ortho- and para-hydrogen, and matters when hydrogen is liquefied near 20 K, since unconverted ortho-hydrogen releases heat that boils off stored liquid.
Oryx Midstream Services
Oryx Midstream Services is a private crude oil gathering company based in Midland, Texas, whose Permian Basin assets merged into the Plains Oryx joint venture in 2021.
Oryx Pipeline System
The Oryx Pipeline System is a crude oil gathering and transportation network in the Permian Basin of West Texas and New Mexico, built around the Oryx Trans Permian pipeline.
Osage Pipeline Company
Osage Pipe Line Company is a joint venture of HF Sinclair and CHS that owns a 135-mile crude oil pipeline from Cushing, Oklahoma, to El Dorado, Kansas.
OSBAT Oil Pipeline
The OSBAT oil pipeline (Oleoduto São Sebastião–Cubatão) is a Brazilian crude oil pipeline, in service since 1968, carrying crude from São Sebastião to the Cubatão refinery.
OSCAB Oil Pipeline
The OSCAB Oil Pipeline (Oleoduto OCAB) is a 67 km Petrobras crude oil pipeline in Rio de Janeiro state, Brazil, running from Quissamã to the Cabiúnas Terminal in Macaé.
Oscillating water column
An oscillating water column (OWC) is a wave energy converter in which waves compress air in a chamber, driving a turbine and generator to produce electricity.
Oseberg
Oseberg is a Norwegian North Sea oil and gas field around 130 km northwest of Bergen, discovered in 1979, producing since 1988, and operated by Equinor.
Oseberg Oil and Gas Field
Oseberg is a producing oil and gas field in the northern Norwegian North Sea, discovered in 1979 and producing since 1988, operated by Equinor from the Oseberg Field Centre.
Oshi Oil and Gas Field
The Oshi Oil and Gas Field is an onshore oil and gas field in the northern Niger Delta of Nigeria, operated by the Nigerian Agip Oil Company joint venture.
Oshskoye Oil Field
Oshskoye Oil Field (Ошское) is an oil field in Russia's Timan-Pechora province, developed by LUKOIL-Komi since 2012 and known for a 2021 pipeline spill into the Kolva River.
Oskarshamn nuclear power plant
Oskarshamn nuclear power plant (Oskarshamns kärnkraftverk) is a Swedish nuclear power station on the Simpevarp peninsula in the Baltic Sea, whose reactor O1 was Sweden's first commercial nuclear reactor.
Oso Oil and Gas Field
The Oso Oil and Gas Field is a giant offshore gas condensate field about 12 miles off southeastern Nigeria, discovered in 1967 and producing since 1992.
OSPAR Pipeline
The OSPAR Pipeline (Oleoduto Santa Catarina–Paraná) is a 117 km Brazilian crude oil pipeline running from the São Francisco do Sul terminal to the Repar refinery in Paraná.
Osram
Osram is a German lighting brand registered as a lamp trademark in 1906, spun off from Siemens in 2013, and taken over by the Austrian sensor maker ams in 2020.
Øst Frigg
Øst Frigg is a shut-down Norwegian North Sea gas field, east of Frigg, which produced gas from 1988 to 1997 and is being redeveloped as part of Yggdrasil.
Ostrogozhsk-Belousovo Gas Pipeline
The Ostrogozhsk-Belousovo Gas Pipeline is a trunk natural gas pipeline in Russia, running from Ostrogozhsk in Voronezh Oblast to Belousovo in Kaluga Oblast, commissioned in 1965 and owned by Gazprom.
Ostrogozhsk-Shebelinka Gas Pipeline
The Ostrogozhsk-Shebelinka Gas Pipeline (Russian: газопровод "Острогожск-Шебелинка") is a 312 km mainline natural gas pipeline from Ostrogozhsk, Russia, to Shebelinka, Ukraine, first commissioned in 1961 and now mothballed.
Ostwald ripening and coalescence degradation in PEM fuel cell catalysts
Ostwald ripening and coalescence degradation are the two sintering pathways by which platinum nanoparticles in PEM fuel cell catalyst layers grow during operation, cutting active surface area.
OSVAT Oil Pipeline
The OSVAT (Oleoduto São Sebastião–Guararema) is an 83 km crude oil pipeline in São Paulo state, Brazil, owned by Petrobras and operated by Transpetro, carrying crude from the coastal São Sebastião terminal inland to refineries.
OSVAT-34 Oil Pipeline
The OSVAT-34 Oil Pipeline is a 35 km Petrobras crude oil pipeline in São Paulo state, Brazil, running from Guararema Terminal to the Revap refinery since 1979.
Oswego Harbor Power
Oswego Harbor Power is a 1,641 MW oil- and gas-fired steam generating station in Oswego, New York, on Lake Ontario, one of New York's largest power plants.