| OILSHEET Energy Directory: Companies Q-to-S | ||||
|---|---|---|---|---|
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| COMPANY Q |
|---|
| QEP Resources was acquied byDiamondback Energy |
| QR Energy was acquired by BreitBurn Energy (2014) who went bankrupt, then became Maverick Natural Resources |
| Qatar Energy - Established in 1974 as a national corporation completely owned by the State of Qatar |
| Quantum Energy Partners [private] - Equity fund specializing in the energy industry |
| Quantum Fuel Systems - Most Advanced CNG Fuel Storage Systems |
| Quantum Technologies [NASDAQ:QTWW] - Designing hybrid electric vehicles for the automotive industry. |
| Quest Resource is now PostRock Energy |
| Questar Corporation (parent company Dominion Energy) - Mnatural gas-focused energy company based in Salt Lake City, Utah |
| Questerre Energy [TSX:QEC] - Developing large-scale natural gas projects in Canada |
| Questor Technology [TSX-V:QST] - Waste gas Incinerators |
| Quetzal Energy [TSX-V:QEI] - Colombia and Guatemala. |
| Quicksilver Reources [NYSE:KWK] - Reserves in Michigan, Indiana, the Rocky Mountains and Alberta |
| COMPANY R |
|---|
| Ram Power became Polaris Infrastructure |
| RMP Energy became Iron Bridge Resources, acquired by Velvet Energy, now Spartan Delta |
| ROC Oil was acquired by Transcendent Resources Limited (a wholly owned subsidiary of Fosun International Limited) |
| RPC [NYSE:RES] - Provides oilfield services and equipment to independent and major oilfield companies |
| RSX Energy was acquired by Talisman Energy, now Repsol |
| Radiant Oil & Gas [OTC:ROGI] - Focused on the onshore Gulf Coast area |
| Raging River Exploration merged with Baytex Energy |
| Ram Power is now Polaris Infrastructure |
| Ramco Energy plc is now SeaEnergy PLC |
| Rampart Energy is now Pilot Energy |
| Range Resources [NYSE:RRC] - Operates in the Appalachian, Southwestern and Gulf Coast regions of the United States. |
| Ranger Energy Services |
| Range Energy Resources (formerly Hawkstone Energy) is now EnviroGold Global Limited |
| Ranger Oil WAS QCUIRED BY Baytec Energy |
| Ranken Energy - Oklahoma |
| Rawson Resources was acquied byt Lakes Oil, now Lakes Blue Energy |
| Reabold Resources [LSE:RBD] - California (USA), Romania, and UK assets. |
| Real Energy merged with Strata-X energy to form Pure Hydrogen Corporation |
| Real Time Measurements [TSX-V:RTY] - Provides premium quality products and services for electronic measurement applications to oil and gas companies worldwide. |
| Red Emperor Resources is now Future Metals |
| Red Sky Energy [ASX:ROG] - Oil & gas development company with highly prospective projects located in the Cooper Basin of Australia |
| Redflow [ASX:RFX] - Energy storage solutions |
| Redhill Energy is now Prophecy Coal |
| RedWater Energy [TSX-V:RED] - Oil and natural gas company actively seeking assets in Western Canada. |
| Reece Energy Exploration was acquired by Penn West, now Obsidian Energy |
| Reef Resources [TSX-V:REE] - Junior oil and gas company with proven reserves in S. W. Ontario. |
| Regal Energy became Novus Energy, now Yanchang Petroleum |
| Regal Petroleum is now Enwell Energy [LSE:ENW] - Operates in Ukraine. |
| Regency Energy Partners LP merged with Energy Transfer |
| Relentless Resources [TSX-V:RRL] - Engaged in the exploration, development, acquisition and production of natural gas and medium to light gravity crude oil reserves in Alberta. |
| Reliable Energy was acquired by Crescent Point Energy |
| Reliance Industries [NSE:RELIANCE] - The Group's activities span exploration and production (E&P) of oil and gas, refining and marketing, petrochemicals, textiles, financial services and insurance, power, telecom and infocom initiatives. |
| ReliOn [private] - Hydrogen fuel cells |
| Remington Oil and Gas was acquired by Cal Dive International |
| Renewable Energy Group [NASDAQ:REGI] - Largest biodiesel producer. |
| Rentech [AMEX:RTK] - Proprietary and patented process that converts synthesis gas (syngas) into valuable liquid hydrocarbons |
| ReoStar Energy [OTC:REOS] - current areas of operation; Barnett Shale and Corsicana |
| Resolute Energy was acquired by Cimarex Energy which was acquired by Cabot Oil & Gas, forming Coterra |
| Resolute Energy became Cordero Energy, now Ember Resources |
| Repsol [NYSE:YPF] - Integrated international oil and gas company, operating in more than 28 countries and leader in Spain and Argentina. |
| Return Energy is now Spartan Delta |
| Rhino Resource Partners (Chapter 11 in 2020) - Coal producer |
| Rialto Energy became Azonto Petroleum, now Calima Energy [ASX:RIA] - Carnarvon Basin on the North West Shelf, offshore Western Australia. |
| Ring Energy [NYSE:REI] - Operations in the Permian Basin |
| Rio Alto Resources became West Energy, now part of Sinopec Canada |
| Riversdale Mining (coal) was acquired by Rio Tinto |
| Robbins & Myers was acquired by National Oilwell Varco |
| Roc Oil Company Limited [ASX:ROC] - Australasia, SE Asia, China and the UK, |
| Rock Energy [TSX:RE] - Western Canada production |
| Rockhopper Exploration [LSE:RKH] - North Falkland Basin in the South Atlantic. |
| RockRose Energy is part of Viaro Energy Group |
| Rockyview Energy was acquired by Direct Energy |
| Rose Petroleum is now Zephyr Energy |
| Rosetta Resources was acquired by Noble Energy, now Chevron |
| Rosneft [state owned] - Russia |
| Rovtech is now Fugro |
| Rowan Companies merged of Ensco plc, now Valaris plc |
| Roxi Petroleum Plc is now Caspian Sunrise PLC |
| Royal Dutch Shell plc is now Shell plc |
| Royal Utilities Income Fund was acquired by Sherritt International Corporation |
| Royale Energy [NASDAQ:ROYL] - Owns and operates wells in the Sacramento and San Joaquin basins in California and in the U.S. Gulf Coast |
| Rushton - Manufactures Gas and Oil Process Equipment |
| COMPANY S |
|---|
| SDX Energy [LSE:SDX] - Oil and gas projects in North Africa. |
| SK Group - Korea |
| SM Energy [NYSE:SM] - Mid-Continent, Rocky Mountain, ArkLaTex, Gulf Coast and Permian Basin |
| SMA Solar Technology AG [Frankfurt:S92] - Develops, produces and sells photovoltaic inverters, monitoring systems for photovoltaic facilities. |
| SMD Hydrovision - Deepwater ROVs |
| STEP Energy Services [TSX:STEP] - |
| Sabine Royalty Trust [NYSE:SBR] - Producing and proved undeveloped oil and gas properties located in Florida, Louisiana, Mississippi, New Mexico, Oklahoma and Texas |
| SacOil Holdings is now Efora |
| Saffron Energy is now Coro Energy plc |
| Sacgasco (Australian Oil Company) [ASX:SGC] - Perth-based energy company appraising, developing and producing clean natural gas in the Sacramento Basin, onshore California. |
| Sahara Energy - Oil and natural gas in western Canada |
| Saint Mary Land and Exploration is now SM Energy |
| Saga was acquired by Hydro |
| Sakhalin Energy [Shell-led operating company] - Off the coast of Sakhalin Island, in the Russian Far East, we are developing a world-class oil and gas project. |
| Salamander Energy plc [LSE:SMDR] - Independent Exploration and Production (E&P) company building a portfolio of assets focused on Asia. |
| Samson [private] - Operations in the United States, Canada, Australia and Venezuela |
| San Juan Royalty Trust [NYSE:SJT] - Oil and gas leasehold and royalty interest in the San Juan Basin of northwestern New Mexico |
| San Leon Energy Plc [LSE:SLE] - Exploration and production of oil and gas projects in Europe and North Africa. |
| Sanchez Energy exited Chapter 11 bankruptcy as Mesquite Energy |
| Sanchez Midstream Partners (formerly Constellation Energy Partners) is now Evolve Transition Infrastructure LP |
| SandRidge Energy [NYSE:SD] - Focuses its exploration and production activities in West Texas, the Permian Basin, the Mid-Continent, the Cotton Valley Trend in East Texas, the Gulf Coast, and the Gulf of Mexico. |
| Santos Limited [ASX:STO] - Major Australian oil and gas exploration and production company with interests and operations in every major Australian petroleum province and in the United States, Indonesia, Papua New Guinea and Egypt. |
| Sapura Energy [Kuala Lumpur:5218] - One of the world's largest integrated oil and gas services and solutions provider. With a workforce of over 10,000 people, the Group's global presence can be seen in over 20 countries ranging from Malaysia and China to Australia, Middle East, America, Brazil and beyond. |
| Sasol [NYSE:SSL] - Headquartered in Johannesburg, South Africa Sasol is engaged in the commercial production and marketing of chemicals and liquid fuels; with a growing interest in oil and gas exploration. |
| Saturn Oil &;amp Gas [TSX:SOIL] - Assets in Central Alberta, Southeastern Saskatchewan and West Central Saskatchewan |
| Savanna Energy Services [TSX:SVY] - Oilfield services company |
| Savannah Energy [LSE:SAVE] - Agadem rift basin of South East Niger. |
| Schlumberger [NYSE:SLB] - Leading oilfield services company supplying technology, project management and information solutions that optimize performance for customers working in the international oil and gas industry. |
| Scirocco Energy [LSE:SCIR] - Natural gas and helium assets in Tanzania. |
| Sea Dragon Energy is now SDX Energy |
| SeaBird Exploration [Oslo:GEG] - Dedicated to providing an extensive portfolio of multidisciplinary geophysical services to the oil and gas exploration and production communities |
| Seacor Marine [NYSE:SMHI] - Operates one of the largest fleets of diversified marine support vessels primarily dedicated to upporting offshore oil and gas exploration and development in the US Gulf of Mexico, offshore West Africa, the North Sea, Mexico, the Far East and Latin America |
| SeaDrill Limited [OSLO:SDRL] - Leading offshore deepwater drilling company |
| SeaEnergy PLC [LSE;SEA] - Offshore wind development company. (was Ramco Energy plc) |
| Seanergy Maritime Holdings [NASDAQ:SHIP] - Provides marine dry bulk transportation services through a modern fleet of Capesize vessels |
| Secure Energy Services [TSX:SES] - Oilfield services |
| Seitel - Leading provider of seismic data and related geophysical expertise to the petroleum industry |
| Sequoia Oil and Gas Trust merged with Daylight Energy Trust to form Sinopec Canada |
| Sentry Petroleum [OTC:SPLM] - Australian focus |
| Serica Energy [TSX:SQZ] - Primary activities in the UK North Sea, Spain and Indonesia. |
| Serinus Energy [TSX:SEN] - Brunei, Romania, Tunisia, and Ukraine |
| Seventh Energy was acquired by PrimeWest Energy Trust, now part of TAQA |
| ShaMaran Petroleum [TSX-V:SNM] - Kurdistan focused oil development and exploration |
| Sharon Energy was acquired by Tuscany Energy |
| ShawCor [TSX:SCLa] - Products and services for the pipeline, exploration and production, and petrochemical and industrial segments of the oil and gas industry and other industrial markets |
| Shell Canada |
| Shining Bank Energy Income Fund was acquired by PrimeWest Energy Trust, now part of TAQA |
| Shoal Point Energy [CSE:SHP] - Oil and gas exploration opportunities within Atlantic Canada. |
| Sierra Geothermal Power was acquired by Ram Power, now Polaris Infrastructure |
| Sigma Exploration - Leading geophysical data provider |
| Signature Oil - Producing oil and natural gas in Kentucky and Tennessee |
| SilverBirch Energy [TSX-V:SBE] - Pre-production oil sands company |
| SilverBow Resources (was Swift Energy) [NYSE:SBOW] - Eagle Ford in South Texas |
| Simba Essel Energy [default] - Focused on overlooked and under explored basins in Africa. |
| Sinclair Oil is now HF Sinclair |
| Singapore Petroleum is part of PetroChina |
| Sino Gas & Energy [ASX:SEH] - Large scale gas assets in China |
| Sinopec [NYSE:SNP] - Core business of petroleum and petrochemicals |
| Sintana Energy [TSX-V:SNN] - Targeting assets in Central and South America, with an initial primary focus on Colombia, Peru and Paraguay. |
| Sirius Petroleum [unlisted] - opportunities in the oil and gas sector with particular focus in Nigeria |
| Sky Petroleum [OTC:SKPI] - United Arab Emirates. |
| SkyWest Energy was acquired by Marquee Energy, now Prairie Provident Resources |
| Smedvig was acquired by SeaDrill Limited |
| Smith International was acquired by Schlumberger |
| Soho Resources [TSX-V:SOH] - Bossier Sandstone Gas Play in Freestone County, Texas |
| Solana Resources is now Gran Tierra Energy |
| Solo Oil plc is now Scirocco Energy |
| Sonangol - Responsible for the management of oil and gas reserves in Angola |
| Sonatrach [state owned] - Algeria |
| Sonoro Energy [TSX-V:SNV] - Current focus is asphalt (heavy oil) resource exploration and development in Iraq. |
| Sound Energy Trust is now Advantage Oil and Gas |
| Sound Energy [LSE:DOU] - Current project focus is on Italy and Indonesia. |
| Source Rock Royalties [TSX-V:SRR] - A Pure Play on Oil & Gas Royalties in Western Canada |
| Southern Energy [TSX-V:SOU] - South eastern Gulf Coast area of the USA |
| Southern Pacific Resources [TSX:STP] - Athabasca region |
| Southwestern Energy [NYSE:SWN] - Engaged in natural gas and crude oil exploration and production in the Arkoma Basin, East Texas, Permian Basin, and the onshore Gulf Coast. |
| Sparta Group [TSX-V:SAY] - Waste to energy |
| Spartan Delta (was Return Energy) [TSX:SDE] - Acquired Bellatrix Exploration assets in West-Central Alberta, CA. |
| Spectra Energy [NYSE:SE] - Leading providers of natural gas infrastructure |
| Spectra Energy Partners was acquired by Enbridge |
| Spindletop Oil & Gas [OTC:SPND] - production in 16 states with a large concentration of production in Texas. |
| Spinnaker Exploration was acquired by Norsk Hydro ASA |
| Spitfire Energy is now Whitecap Resources |
| Staatsolie - State Oil Company of Suriname has the right to explore for and produce hydrocarbons in Suriname. |
| Stanmore Resources [ASX:SMR] - World-class coal operations and exploration projects in the Bowen and Surat basins |
| Star Group L.P. [NYSE:SGU] - Diversified energy distributor and services provider specializing in the sale of heating oil and propane. |
| Starpoint Energy Trust merged with Acclaim Energy Trust to form Canetic Resources Trust, which was was acquired by Penn West, now Obsidian Energy |
| Statoil is now Equinor |
| Stealth Ventures [TSX-V:SLV] - Coal bed methane (CBM) project in the Stellarton sub-basin in Pictou County , Nova Scotia, |
| Sterling Energy plc is now Afentra |
| Stikine Energy [TSX-V:SKY] - Committed to becoming a dominant frac sand producer and supplier to shale gas industry of British Columbia. |
| Stolt Offshore became Acergy, merges with Subsea 7 |
| Stolt-Nielsen [Oslo:SNI] - Portfolio consists of its three bulk-liquid and chemicals logistics businesses – Stolt Tankers, Stolthaven Terminals and Stolt Tank Containers – Stolt Sea Farm and investments in LNG |
| Stonehaven Exploration [TSX-V:SE] - Canadian oil and natural gas exploration and production company with operations at Fir and Bigstone, Alberta. (was Donnybrook Energy) |
| Storm Exploration was acquired by ARC Energy Trust |
| Strom Resources was acquired by Canadian Natural Resources |
| Strad [private] - Drilling Services and Production Services. |
| Strata Power [OTC:SPOWF] - Exploration and development of oil sands and heavy oil in Western Canada |
| Strategic Oil & Gas [OTC:SOGFF] - Southeastern Alberta and northeastern British Columbia. |
| Stratic Energy was acquired by EnQuest |
| Stream Oil & Gas was acquired by TransAtlantic Petroleum |
| Strike Energy [ASX:STX] - Conventional and Coal Seam Gas Exploration (was Strike Oil) |
| Strikewell Energy [TSX-V:SKK] - Alberta |
| Stuart Petroleum is now Senex Energy |
| Suburban Propane - [NYSE:SPH] - Leading provider of specialized oilfield services and equipment focusing on serving the production-related needs of oil and gas companies in the Gulf of Mexico |
| Suez became GDF Suez, now ENGIE |
| Sun Coast Resources - One of the largest petroleum marketers in the nation. Markets in nine states: Arkansas, Florida, Kansas, Louisiana, Mississippi, Missouri, New Mexico, Oklahoma, and our home state of Texas. |
| Sun Resources NL is now Prominence Energy |
| Sun River Energy [OTC:SNRV] - East Texas Basin and the Permian Basin in West Texas, |
| SunCoke Energy [NYSE:SXC] - Largest independent producer of high-quality metallurgical coke in the Americas. |
| Suncor Energy [NYSE:SU] - Growing integrated energy company, strategically focused on developing Athabasca oil sands |
| Sundance Energy [private] - Projects in the Eage Ford |
| SunHydrogen [OTC:HYSR] - Developing a breakthrough, low cost technology to make renewable hydrogen using sunlight and any source of water, including seawater and wastewater. |
| Sunny Hill Energy [private] - Algeria. |
| Sunoco LP [NYSE:SUN] - One of the largest independent refiner-marketers in the United States |
| Sunoco Logistics Partners [NYSE:SXL] - Transporting, terminalling, and storing refined products and crude oil |
| Sunridge Energy [TSX-V:SRG] - Heavy oil within the Alberta oil sands district |
| Superior Energy Services - Leading provider of specialized oilfield services and equipment focusing on serving the production-related needs of oil and gas companies in the Gulf of Mexico |
| Surge Energy [TSX-V:SGY] - Operations in Alberta and southwest Manitoba. |
| Surgutneftegas [OTC:SGTZY] - One of the largest oil companies in Russia |
| Suroco Energy [TSX-V:SRN] - Colombia. |
| Sustainable Energy [TSX-V:STG] - Develops, manufactures and markets advanced power electronics products for the emerging alternative and renewable energy markets |
| Suzlon Energy - Fully integrated wind power company |
| Swala Energy [ASX:SWE] - Australian independent oil and gas exploration company actively exploring the East African Rift System |
| Swift Energy is now SilverBow Resources |
| Sydney Gas was acquired by AGL Energy |
| Syncrude [joint venture] - Largest producer of crude oil from oil sands. |
| Synenco Energy was acquired by Total |
| Syngas is now Taiton Resources (mining) |
| OILSHEET Energy Directory | ||
|---|---|---|
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| Host: IONOS | Comments:Send EMail | ARCHIVED 11 APRIL 2026 |
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