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Wintershall Aktiengesellschaft
Wintershall Aktiengesellschaft was a German oil and gas exploration and production company founded in 1894 and owned by BASF from 1969, merging with DEA in 2019 to form Wintershall Dea.
Wintershall Dea
Wintershall Dea is a German oil and gas company formed in 2019 from the merger of Wintershall Holding and DEA Deutsche Erdoel, owned by BASF and LetterOne.
Wood Group
Wood Group, also known as Wood or John Wood Group Plc, is a global consulting and engineering company headquartered in Aberdeen, Scotland, serving energy and materials clients.
Wood River Refinery
The Wood River Refinery is a petroleum refinery in Roxana, Illinois, near St. Louis, that has processed crude oil since 1918 and today is one of Phillips 66's refineries.
Woods Cross refinery
The Woods Cross refinery is a petroleum refinery in Woods Cross, Utah, near Salt Lake City, owned by HF Sinclair with a capacity of 45,000 barrels per day.
Woodside Energy
Woodside Energy is an Australian petroleum exploration and production company headquartered in Perth, which established Australia's LNG industry and became the largest energy company on the ASX after merging with BHP's petroleum business in 2022.
Workover
A workover is a maintenance operation on a completed oil or gas well to restore or increase production, typically requiring the well to be killed.
World Kinect
World Kinect Corporation, known until 2023 as World Fuel Services, is a Miami-based global energy management company delivering aviation, marine, and land fuels and related services.
Worldscale
Worldscale is a nominal freight rate scale for oil tankers, introduced in 1969, against which actual tanker freight is negotiated as a percentage of published route rates.
Wuqi Oil Field
Wuqi Oil Field (吴起油田) is an onshore conventional oil field in Wuqi County, Shaanxi, China, discovered in 1993 and operated by Yanchang Oilfield in the Ordos Basin.
Wytch Farm Oil and Gas Field
Wytch Farm is an onshore oil field on the Isle of Purbeck in Dorset, England, and the largest onshore oil field in the UK and western Europe.
Xanab Oil and Gas Field
Xanab (Campo Xanab) is an offshore oil and gas field in shallow Gulf of Mexico waters, operated by Pemex and counted among its main producers.
Xifeng Oil Field
The Xifeng Oil Field (西峰油田) is a large onshore oil field in southwest China's Ordos Basin, discovered in 2001 and operated by PetroChina's Changqing Oilfield Branch.
Xijiang 23-1 Oil Field
Xijiang 23-1 is an operating offshore oil field in the South China Sea, China, in the Pearl River Mouth Basin, operated by CNOOC since 2008.
Xijiang 24-3 Oil Field
Xijiang 24-3 (西江24-3) is an offshore oil field in the Pearl River Mouth Basin, South China Sea, discovered by Phillips Petroleum in 1985 and producing since 1994.
Xin'anbian Tight Oil Field
The Xin'anbian Tight Oil Field (新安边油田) in the Ordos Basin of Shaanxi, China, proved in 2014, was China's first large continental tight oil field, with reserves over 100 million tons.
Xingshugang Oil Field
Xingshugang Oil Field (杏树岗油田) is one of the three largest fields of the Daqing oil complex in the Songliao Basin, Heilongjiang, China, developed from 1963 and a leading site of polymer and ASP flooding.
Xux Oil and Gas Field
Xux is an oil and gas field in shallow Gulf of Mexico waters about 10 kilometers off Tabasco, Mexico, discovered in 2009 and producing since 2014.
Yadavaran Oil Field
Yadavaran Oil Field (میدان نفتی یادآوران) is a large onshore oil field in Khuzestan, southwestern Iran, about 70 km southwest of Ahvaz near the Iraqi border.
Yanbu Refinery
Yanbu Refinery is a Saudi Aramco-owned oil refinery on the Red Sea coast at Yanbu, Saudi Arabia, commissioned in 1983 with a capacity of about 230,000 barrels per day.
Yaraktinskoye Oil Field
Yaraktinskoye is an onshore oil, gas, and condensate field in Irkutsk Oblast, Russia, about 140 km from Ust-Kut. Discovered in 1971, it is operated by the Irkutsk Oil Company.
Yaran North Oil Field
Yaran North Oil Field is an operating oil field in Khuzestan, Iran, forming the northern part of the Yaran field shared with Iraq, where it is called Majnoon.
Yaregskoye Oil Field
Yaregskoye Oil Field (Ярегское месторождение) is a heavy, high-viscosity oil field in the Komi Republic, Russia, discovered in 1932 and the only Russian field where oil is extracted by mining.
Yariguí-Cantagallo Oil and Gas Field
Yariguí-Cantagallo is a mature heavy-oil field in Colombia's Middle Magdalena Valley between Bolívar and Santander, operated by Ecopetrol since the mid-1970s and enhanced with waterflood and polymer-flooding recovery.
Yarudeyskoye Oil and Gas Field
Yarudeyskoye is an oil, gas, and condensate field in the Yamalo-Nenets Autonomous Okrug of western Siberia, Russia, discovered in 2008 and in commercial production since December 2015.
Yates oil field
The Yates oil field is a giant Permian Basin oil field in Pecos County, West Texas, discovered in 1926 and still producing under Kinder Morgan today.
Yaunlorskoye Oil and Gas Field
The Yaunlorskoye field is a large oil and gas condensate field in the Khanty-Mansi Autonomous Okrug of Western Siberia, roughly 35 km from Surgut, in production since 1980.
Yaxché Oil and Gas Field
Yaxché is an offshore oil and gas field in shallow Gulf of Mexico waters off Tabasco, Mexico, producing superlight crude since 2006 and operated by Pemex.
Yellowtail oil field
Yellowtail is a deepwater oil field in the Stabroek block about 200 kilometers offshore Guyana, the fourth ExxonMobil-led project there, producing 250,000 barrels per day through the ONE GUYANA FPSO since 2025.
Yem-Yogovskoye oil field
The Yem-Yogovskoye oil field (Ем-Ёговское) is a large producing oil field near Nyagan in Western Siberia, Russia, discovered in 1971 and operated by Rosneft's RN-Nyaganneftegaz.