1,082 articles
Roncador Field
Roncador Field is a giant deepwater, post-salt oil and gas field in the Campos Basin off Rio de Janeiro, Brazil, discovered in 1996 and operated by Petrobras with Equinor.
Rosa field
Rosa is a deepwater oil field in Block 17 offshore Angola, discovered in 1998 and producing since 2007 through a subsea tieback to the Girassol FPSO.
Rostashy-Konnovskoye field
The Rostashy-Konnovskoye field is an operating, medium-sized oil field in Orenburg Oblast, Russia, in the Volga-Ural province, combining two fields discovered in 1982 and developed from 1989.
Rotary steerable system
A rotary steerable system is a downhole drilling tool that steers a well directionally while the drill string rotates continuously, first commercialized in the late 1990s.
Rubiales field
The Rubiales field is a heavy oil field in the Llanos Basin near Puerto Gaitán, Colombia, discovered in 1981 and today the country's largest producer.
Rumaila field
The Rumaila field (الرميلة) is a super-giant onshore oil field in southern Iraq, about 50 km west of Basra, and the country's largest producing oil field.
Rush Lake Sparky Oil Pool
Rush Lake Sparky Oil Pool is an onshore heavy oil pool in west-central Saskatchewan near Lloydminster, discovered in 1971 and produced mainly by steam-assisted gravity drainage.
Russkinskoye field
The Russkinskoye field (Русскинское месторождение) is a large oil field about 124 km north of Surgut in Western Siberia, discovered in 1982 and operated by Surgutneftegas through its Komsomolskneft division.
Russkoye field
The Russkoye field (Русское месторождение) is a giant high-viscosity oil field on the Yamal Peninsula in the Russian Arctic, discovered in 1968 and developed by Rosneft subsidiary Tyumenneftegaz.
S. Nurzhanov field
The S. Nurzhanov field (С. Нұржанов кен орны) is an onshore oil and gas field in western Kazakhstan's Atyrau Region, operated by Embamunaigas, a KazMunayGas subsidiary, and producing since 1963.
SA-SAGD
SA-SAGD (solvent-assisted steam-assisted gravity drainage) is a bitumen recovery process for oil sands that co-injects a hydrocarbon solvent with steam, cutting steam demand and emissions.
Saadat Abad field
Saadat Abad field, also written Saʿādat-ābād, is an onshore oil field in Interior Fars, southern Iran, about 120 km southeast of Shiraz, with reserves of 41 million barrels.
Sabanchinskoye field
Sabanchinskoye field (Сабанчинское месторождение) is an oil field in the Bavly District of Tatarstan, Russia, discovered in 1963 and operated by Tatneft, one of its six major producing fields.
Sabriya field
The Sabriya field is an onshore oil and gas field in northern Kuwait, operated by Kuwait Oil Company, that with Raudhatain supplies about a quarter of Kuwait's crude.
Sacha field
The Sacha field is an oil field in Ecuador's Oriente Basin, discovered in 1969 and operated by EP Petroecuador; it is the most productive oil field in Ecuador.
Safah field
Safah field is an oil field in northwest Oman, discovered in 1983 and producing light 42° API crude from the Shu'aiba reservoir at about 6,500 ft depth.
Safaniya field
Safaniya field (السفانية) is an offshore oil field in the Arabian Gulf off Saudi Arabia, discovered in 1951 and regarded as the world's largest offshore oil field.
Safwan field
Safwan field (حقل سفوان) is an onshore oil field in Basra province, southern Iraq, producing since 1989, the southeasternmost dome of the Zubair field that continues into Kuwait as the Abdali field.
Sajaa field
The Sajaa field is an onshore gas and condensate field in the emirate of Sharjah, United Arab Emirates, discovered in 1980 and developed as Sharjah's first gas-condensate hub.
Sakhalin-I (Сахалин-1)
Sakhalin-I (Сахалин-1) is an oil and gas project covering the Chayvo, Odoptu, and Arkutun-Dagi fields off Sakhalin Island, Russia, known for extended-reach drilling records and ExxonMobil's 2022 exit.
Sakhalin-II
Sakhalin-II (Сахалин-2) is an oil and gas project off northeastern Sakhalin Island in the Russian Far East, which produced Russia's first offshore oil in 1999 and built its first LNG plant at Prigorodnoye in 2009.
Salman field
The Salman field is an offshore oil and gas field in the Persian Gulf, about 144 km south of Iran's Lavan Island, producing since 1968.
Salymskoye field
The Salymskoye field is a unique-reserve oil field in the Khanty-Mansi Autonomous District of Western Siberia, discovered in 1965, developed since 1974, and named for the Salym group of fields.
Samaria field
The Samaria field is an onshore oil and gas field in Tabasco, Mexico, about 18 kilometers from Villahermosa, operated by Pemex and producing since the 1960s.
Samotlor Field
Samotlor Field (Самотлорское месторождение) is a giant oil and gas field in Western Siberia, near Nizhnevartovsk, and the largest oil field in Russia by initial recoverable reserves.
San Tome Oil Field
San Tome Oil Field (Campo de Petróleo San Tomé) is an operating onshore oil field in Anzoátegui state, eastern Venezuela, wholly owned by the state company PDVSA.
Sangomar oil field
Sangomar, formerly the SNE field, is a deepwater oil field offshore Senegal about 100 km south of Dakar, operated by Woodside Energy, which achieved first oil there in June 2024.
Sangos/Cinguvu Oil Field
Sangos/Cinguvu is a conventional oil field in deepwater Block 15/06 offshore Angola, the first phase of Eni's West Hub project, producing about 60,000 barrels per day in early 2015.
Santa Barbara oil spill
The Santa Barbara oil spill was a 1969 blowout at Union Oil's Platform A that oiled 90 km of California coastline and helped launch the environmental movement.
São Mateus do Sul oil shale plant
The São Mateus do Sul oil shale plant is an industrial complex in Paraná, Brazil, where Petrobras's Petrosix process retorts Irati shale into oil, gas, and sulfur.