OILSHEET Energy Directory: Companies C-to-D
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COMPANY C
C-Tech Oilwell Technologies is part of Dover Corporation
C1 Energy was acquired by Penn West Energy Trust, now Obsidian Energy
CB&I was acquired by McDermott
CBD Energy [ASX:CBD] - Designs, manufactures, sources, installs and finances a range of energy saving equipment
CCS Corporation [private] - Global leader in the environmental and energy services sectors.
CF Energy [TSX-V:CFY] - Urban natural gas distribution and compressed natural gas vehicle filling station business in China.
CE Franklin was acquired by National Oilwell Varco
CEFM - Oil and natural gas resource development company, based in the United States that specializes in Conventional oil and natural gas exploration
CGG Veritas [PARIS:CGG] - Comprehensive suite of integrated geophysical services designed to manage exploration risk and enhance drilling and production success worldwide.
CGX Energy [TSX-V:OYL] - Exploring for oil in the Guyana-Suriname basin.
CNOOC Limited [NYSE:CEO] - Producer of crude oil and natural gas offshore China
CNPC - China National Petroleum Corporation is China's largets oil and gas supplier
CNX Gas was acquired by CONSOL Energy
CVR Energy [NYSE:CVI] - Independent petroleum refiner and marketer of high value transportation fuels in the mid-continental U.S
CWC Energy Services [TSX-V:CWC] - Premier contract drilling and well servicing company operating in the Western Canadian Sedimentary Basin
Cabot Oil and Gas is now Coterra Energy
Cadence Energy was acquired by Barrick Gold
Cairn is now Capricorn Energy PLC
Cal Dive International is now Helix Energy Solutions
Caledonian Petroleum Services - Delivery of reliable quality products and services within the Oil and Gas Industry since the Company's inception in 1989.
Calfrac Well Services [TSX:CFW] - Leading provider of specialized oilfield services
Caliber Energy [OTC:CLBN] - Belloque Project, Edmonton , Alberta.
Calima Energy (was Rialto Energy, previouly became Azonto Petroleum) [ASX:CE1] - Oil and gas producer in Western Canada.
Callon Petroleum [NYSE:CPE] - Exploration, development, acquisition and operation of oil and gas properties in the Gulf Coast region since 1950. (Louisiana, Alabama and offshore Gulf of Mexico)
Caltex [ChevronTexaco subsidiary] - Retail brand headquarters is based in Singapore. Caltex operates in more than 60 countries spanning the Asia Pacific, parts of the Middle East and Africa.
Calumet Specialty Products Partners [NASDAQ:CLMT] - Leading refiner and processor of specialty hydrocarbon products.
Calvalley Petroleum [TSX:CVIa] - Exploration and development in the Republic of Yemen.
Camber Energy (was Lucas Energy) [AMEX:CEI] - Oklahomma and West Texas.
Cameron was acquired by Schlumberger
Camfin SpA [Milan:CMF] - Marketing petroleum products
Canacol Energy [TSX:CNE] - International oil production and exploration company with operations located onshore in Colombia, Guyana, and Brazil.
CanAm Coal [TSX-V:COE] - Operations and assets in the states of Alabama, Colorado and Ohio. (was Radar Acquisitions)
Canada Gas is now Canada Rare Earth
Canada Southern Petroleum was acquired by Canadian Oil Sands Trust, then acquired by Suncor
Canadian Bioenergy - Western Canada's leading supplier of biodiesel
Canadian Energy Exploration [TSX-V:XPL] - Saskatchewan
Canadian Imperial Resources [TSX-V:CQV] - Exploration and development acreage onshore and offshore Western Newfoundland
Canadian Natural Resources [NYSE:CNQ] - Operations are focused in Western Canada, the North Sea, and Offshore West Africa
Canadian Oil Sands Trust was acquired by Suncor
Canadian Overseas Petroleum [TSX-V:XOP] - Focused on the UK North Sea and the offshore West African continental margin.
Canadian Solar [NASDAQ:CSIQ] - Solar panel producers
Canadian Spirit Resources [TSX-V:SPI] - Natural Gas from Coal (NGC) in Western Canada
Canelson Drilling was acquired by Trinidad Drilling, which was acquired by Ensign Energy
Canetic Resources Trust was acquired by Penn West Energy Trust, now Obsidian Energy
Canex Energy was acquired by Crescent Point Energy
Canext Energy was acquired by TriOil Resources
Canoel International Energy is now Zenith Energy
Canoro Resources [TSX-V:CNS] - India and Russia
CanRock Energy [TSX-V:CNK] - Current focus area is in Provost, Alberta. (was PetroSands Resources)
Canyon Services Group was acquired by Trican Well Service
Capitol Energy Resources was acquired by Provident Energy Trust
Capricorn Energy PLC {LSE:CNE} -
Carabella Resources [ASX:CLR] - Coal exploration in Queensland, Australia.
Cardinal Energy [TSX:CJ] - Canadian oil focused company focused on low decline light and medium quality oil production in Western Canada.
Carmen Energy [TSX-V:CEI] - Alberta properties.
Carnarvon Petroleum [ASX:CVN] - Vision is to be recognized internationally as a significant participant in the oil and gas exploration and production industry initially in Australasia and eventually the world.
Carrizo Oil and Gas was acquired by Callon Petroleum
Cascadia Resources is now Kaymus Resources (2014)
Caspian Energy [TSX:CEK] - Oil and gas exploration and development company, operating in Kazakhstan
Caspian Oil and Gas [ASX:CIG] - Oil interests in the Kyrgyz Republic (was Afminex)
Caspian Services [OTC:CSSV] - onshore and offshore oil service sector in Kazakhstan
Caspian Sunrise PLC (was Roxi Petroleum Plc) {LSE:CASP} - Kazakhstan
Castle Rock Petroleum was acquired by Arrow Energy, now Kallisto Energy
Cathedral Energy Services [TSX:CET] - Provides drilling and related services to oil and gas companies in western Canada and the Rocky Mountain region of the United States.
Cavell Energy was acquired by Paramount Energy Trust, now Perpetual Energy
CAVU Resources [OTC:CAVR] - Oklahoma, Kansas, Colorado, Montana and Texas.
Celtic Exploration was acquired by ExxonMobil
Cenovus Energy [NYSE:CVE] - Oil sands
Centennial Coal [subsidiary of Banpu] - Largest underground coal producer in New South Wales.
Centennial Resource Development [NASDAQ:CDEV] - Delaware Basin Pure-Play
Central Petroleum [ASX:CTP] - Focused on the oil and gas potential of central Australia
Centric Energy was acquiredby Africa Oil
Centurion Energy was acquired by Dana Gas
Century Energy [TSX-V:CEY] - Alberta
Ceres [LSE:CWR] - Fuel cell technology and engineering company whose aim is to bring cleaner and cheaper energy to businesses, homes and vehicles
Challenger Energy (was Bahamas Petroleum Company plc) [LSE:CEG] - Offshore licence permits in The Commonwealth of The Bahamas
Challenger Exploration [ASX:CEL] - Argentina and Ecuasdor
Chamaelo Energy was acquired by Kereco Energy, which became Cadence Energy, then was acquired by Barrick Gold
ChampionX [NYSE:CHX] - Global leader in chemistry solutions and highly engineered equipment and technologies that help companies drill for and produce oil and gas safely and efficiently around the world.
Chaparral Energy [private] - Leading Mid-Continent oil and natural gas producer, focused in the oil window of the Anadarko Basin in the heart of Oklahoma.
Chaparral Resources was acquired by Lukoil
Chariot limited [LSE:CHAR] - Aims to be a provider of cleaner energy across the African continent
Chaucer Energy - Energy projects utilising the technology of In-Situ Gasification.
Cheetah Oil and Gas [OTC:COHG] - Energy exploration company focused on the rapidly increasing energy needs of South East Asia
Cheniere Energy [AMEX:LNG] - Houston-based developer of LNG receiving terminals and a Gulf of Mexico exploration and production company.
Cheniere Energy Partners [AMEX:CQP] - Delaware limited partnership
Chennai Petroleum Corporation [NSE:CHENNPETR] - joint venture in 1965 between the Government of India (GOI), AMOCO and National Iranian Oil Company (NIOC) having a share holding in the ratio 74%: 13%: 13% respectively.
Chesapeake Energy Corporation [NTSE:CHK] - Second-largest producer of natural gas
Chevron [NYSE:CVX] - Active in more than 180 countries, CVX is engaged in every aspect of the oil and gas industry, including exploration and production; refining, marketing and transportation; chemicals manufacturing and sales; and power generation.
China Coal - Coal production and trade, coal chemical, coal-bed methane exploration, pit-mouth power generation, coal mine construction, coal mining equipment manufacturing and relevant engineering technical services.
China National Petroleum Corporation - CNPC is China's largets oil and gas supplier
China New Energy Limited - Bioethanol and biobutanol projects.
China North East Petroleum Holdings [AMEX:NEP] - Crude oil in proven oilfields in Northern China
China Oilfield Services Limited [HK:2883] - Leading integrated oilfield services provider in the offshore China market
China Solar Energy Holdings Limited [HK:0155] - 30 years of experience in thin film a-Si photovoltaic (PV) technology
Chinook Energy was acquired by Tourmaline Oil
Choice Resources was acquired by Buffalo Resources, which was acquired by Twin Butte Energy [Receivership] - Assets sold to West Lake Energy
Churchill Energy was acquired by Zargon Oil & Gas
Churchill Mining plc [LSE:CHL] - Coal
Cimarex Energy was acquired by Cabot Oil & Gas, forming Coterra
Cinch Energy was acquired by Tourmaline Oil
Circle Oil plc [LSE:COP] - Holds reconnaissance licence's in Namibia (through its wholly owned subsidiary First African Oil Corporation) and Ireland
Civitas (was Bonanza Creek Energy) [NYSE:CIVI] - Focused on developing and producing crude oil, natural gas and natural gas liquids in Colorado's Denver-Julesburg (DJ) Basin
Clayton Williams Energy was acquired by Noble Energy, now Chevron
Clear Energy merged with NAV Energy Trust to form Sound Energy Trust, now Advantage Oil and Gas
Clean Global Energy [ASX:CGV] - Underground Coal Gasification
Clontarf Energy plc [LSE:CLON] - emerging oil amp; gas Exploration & Production company focused on Africa and South America
Cloud Peak Energy filed for Chapter 11 bankruptcy on May 10, 2019
Coal of Africa Limited is now MC Mining
Coalcorp is now Melior Resources
Coalworks was acquired by Whitehaven Coal
Coastal Energy [TSX-V:CEN] - International oil and gas exploration and production company with assets in Thailand.
Cobalt International Energy [NYSE:CIE] - Deep offshore waters of the U.S. Gulf of Mexico and West Africa.
Cobra Oil & Gas [private] - Independent oil and gas company based in Wichita Falls, Texas.
Cobra Venture [TSX-V:CBV] - South East Saskatchewan, Central Alberta, and North East British Columbia.
Cockatoo Coal Limited is now Baralaba Coal
Columbus Energy Resources plc (was Leni Gas & Oil plc) was acquired by Bahamas Petroleum, who changed its name to Challenger Energy
Comet Ridge [ASX:COI] - Coal seam gas opportunities in the extensive coal deposits of Queensland and New South Wales
Compagnie Generale de Geophysique is now CGG
Compass Petroleum was acquired by Whitecap Resources
Complete Production Services was acquired by Superior Energy Servicesr
Comstock Resources [NYSE:CRK] - Engaged in oil and gas acquisitions, exploration and development (Texas, Oklahoma, Gulf of Mexico)
Concho Resources was acquired by ConocoPhillips in January 2021
Condor Petroleum [TSX:CPI] - Oil and gas properties in Alberta and Saskatchewan. Oil and natural gas exploration rights covering the Marsel Contract Territory in Kazakhstan
Connacher Oil and Gas [TSX:CLL] - Alberta and Saskatchewan, Argentina.
ConocoPhillips [NYSE:COP] - International, integrated energy company. Third largest integrated energy company in the United States. Worldwide: fourth-largest refiner and the sixth-largest reserves holder of nongovernment-controlled companies
CONSOL Energy [NYSE:CNX] - Largest producer of high-Btu bituminous coal in the United States
Contact Exploration merged with Donnycreek Energy to form Kicking Horse Oil & Gas, acquired by Whitecap Resources
Constellation Energy Partners became Sanchez Midstream Partners, now Evolve Transition Infrastructure LP
Continental Energy [OTC:CPPXF] - Indonesia
Continental Resources [NYSE:CLR] - Independent oil and natural gas exploration and production company.
Contura Energy is now Alpha Metallurgical Resources
Cooper Cameron became Cameron then was acquired by Schlumberger
Coogee Resources was acquired by PTT Exploration and Production Public Company Limited
Cooper Energy [ASX:COE] - focused on exploration and production in the Cooper and Eromanga basins in central Australia
Copano Energy was acquired by Kinder Morgan
Cordero Energy was acquired by Ember Resources
Cordy Oilfield Services [TSX-V:CKK] - Oilfield and construction services corporation
Core Laboratories [NYSE:CLB] - Leading provider of proprietary and patented reservoir description, production enhancement and reservoir management services for the global petroleum industry.
Cork Exploration was acquired by Profound Energy, now Perpetual Energy
Coro Energy plc [LSE:CORO] - South East Asia, with a focus on Indonesia.
Corridor Resources is now Headwater Exploration
Corsa Coal [TSX-V:CSO] - Mining of metallurgical coal thru its subsidiary, Wilson Creek Energy, LLC, Somerset County, Pennsylvania.
Cosmo Energy Group [TOKYO:5021] - #3 refiner in Japan
Costa Energy was acquired by Artek Exploration
Cott Oil and Gas [ASX:CMT] - Exploration opportunities within the greater Westralian Super Basin.
Coterra Energy (merger of Cabot Oil & Gas and Cimarex Energy) [NYSE:CTRA] - Operations in Anadarko Basin, Marcellus Shale, and Permian Basin
Cougar Energy [ASX:CXY] - Underground coal gasification
County International [ASX:CCJ] - Acquisition and development of thermal coal resources and projects in the USA
Cove Energy plc [LSE:COV] - Mozambique and Tanzania
Credo Petroleum CP was acquired by Forestar Group
Crescent Point Energy [TSX:CPG] - Operations in Alberta and Saskatchewan, Canada. North Dakota, USA
Crew Energy [TSX:CR] - Central Alberta and northeast British Columbia
Crimson Exploration was acquired by Contango Oil & Gas Company
Crispin Energy was acquired by Penngrowth Energy, then acquired by Cona Resources, which is a portfolio company of Waterous Energy Funds
Crocotta Energy [TSX:CTA] - Western Canada.
Cross Timbers Royalty Trust [NYSE:CRT] - Royalty interest properties in Texas, Oklahoma and New Mexico,
CrossAmerica Partners [NYSE:CAPL] - Distributor of branded petroleum for motor vehicles in the United States.
Crosstex Energy merged with Devon Energy to form EnLink Midstream
Crown Central Petroleum - Owns and operate two strategically located, high conversion refineries (Pasadena and Tyler, Texas)
Crown Point Ventures [TSX-V:CWV] - Junior oil and gas exploration company with oil production in S.W. Manitoba, Canada.
Cruiser Oil & Gas was acquired by One Exploration, now TriOil Resources
CruzSur Energy is now NG Energy
Cue Energy [ASX:CUE] - Projects in Papua New Guinea, Indonesia and Australia and are continually reviewing new opportunities in these areas as well as in New Zealand.
Cuesta Coal [ASX:CQC] - Queensland Coal
Cunningham Energy - Independent producer of oil and gas based in Charleston, West Virginia. The company was formed in 2008 for the purpose of acquiring, exploring, and producing oil and gas in the Appalachian, Illinois, and Williston Basins.
Curlew Lake Resources [TSX-V:CWQ] - Alberta and California properties
Cypress Hills Resource [TSX-V:CHY] - Maverick County, Texas and Alberta, Canada.
Cyries Energy became Iteration Energy, now Chinook Energy

COMPANY D
D1 Oils plc [LSE:DOO] - Non-food biofuel feedstock supply companies.
DCP Midstream [NYSE:DCP] - Midstream master limited partnership
DHT Holdings [NYSE:DHT] - Independent crude oil tanker company.
DNO (was Faroe Petroleum) [OSLO:DNO] - Operates several production and exploration assets on the Norwegian Continental Shelf and in Yemen, Equatorial Guinea and Mozambique
Dalmac Energy Goes on the Auction Block
Dana Petroleum was acquired by Korea National Oil Corporation.
Dart Energy [ASX:DTE] - Coal bed methane in Australia, Indonesia, China, India and Vietnam.
Darwin Oil [private] - Area of emphasis domestically is the Permian Basin of West Texas and S.E. New Mexico. International emphasis is in Ecuador and Argentina.
Dawson Geophysical [NASDAQ:DWSN] - Seismic data analysis
Daybreak Oil and Gas [OTC:DBRM] - Targeting shallow oil reserves in Kern County California
Daylight Energy is now Sinopec Canada
Deep Well Oil & Gas [OTC:DWOG] - Sawn Lake Oil Sands deposit
Deer Creek Energy was acquired by Total E&P Canada
DeeThree Exploration became Granite Oil, acquired by International Petroleum Corporation
Delek The Israel Fuel Corporation [owned by Delek Group - Israel's second-largest number of gas stations and leading manufacturer of petroleum derivatives
Delek US Holdings [NYSE:DK] - Petroleum refining, marketing and supply and retail convenience stores
Deloro Resources [TSX-V:DLL] - Heavy Oil corridor near the town of Wilkie, Saskatchewan.
Delphi Energy became Distinction Energy, acquired by Kiwetinohk Resources
Delta SBD [ASX:DSB] - Servicing the Australian underground coal mining industry.
Delta Petroleum [NASDAQ;DPTR] - Producing properties in 15 states and interests in one producing federal unit and four undeveloped units located in federal waters offshore California near Santa Barbara.
Deltic Energy [LSE:DELT] - Holds significant equity positions in a number of highly prospective licences in the Southern and Central North Sea.
Denbury Resources [NYSE:DEN] - Largest oil and natural gas operator in Mississippi
Deo Petroleum plc [LSE:DEO] - North Sea oil development and production projects
Desire Petroleum plc [LSE:DES] - North Falkland Basin.
Devlan Exploration was acqured by Cyries Energy, became Iteration Energy and is now Chinook Energy
Devon Energy merged with Crosstex Energy to form EnLink Midstream
Devon Energy [NYSE:DVN] - leading independent oil and natural gas exploration and production company focused onshore in the United States.
Diamond Offshore [NYSE:DO] - Leading deepwater drilling contractor
Diamond Tree Energy was acquired by Crocotta Energy
Diamondback Energy [NASDAQ:FANG] - Focused on the acquisition, development, exploration and exploitation of unconventional, onshore oil and natural gas reserves in the Permian Basin in West Texas.
Digital Relay Geologix - Multi-faceted service, software, and consulting corporation focused on the Energy Sector. We offer Well Log Software, E&P Engineering Software, Oil and Gas Data Management Solutions and Superior Personnel Services.
Distinction Energy was acquired by Kiwetinohk Resources
Diversified Energy [LSE:DEC] - Operations in the Appalachia Basin and the central US states of Louisiana, Oklahoma and Texas
Dommo Energia [San Paolo:DMMO3.SA] - Tubarao Azul Field in Brazil
Donnycreek Energy merged with Contact Exploration to form Kicking Horse Oil & Gas, acquired by Whitecap Resources
Dorchester Minerals LP [NASDAQ:DMLP] - Acquisition, ownership and administration of net profits interests and royalty properties.
Double Eagle Petroleum [NASDAQ:DBLE] - Exploration and development focus in Wyoming and Utah
Doxa Energy is now ProStar Geocorp
Dragon Oil plc was acquired by Dragon Oil plc
Draig Resources [ASX:DRG] - Mongolia Coal
Drilcorp Energy was acquired by Twin Butte Energy
Dril-Quip [NYSE:DRQ] - Manufacturer of precision-engineered offshore drilling and production equipment for use in deepwater, harsh environments and severe service alications.
Drillsearch Energy [ASX:DLS] - Oil and gas explorer and developer focused on the highly-prospective Cooper-Eromanga Basin.
Drummond Company [private] - Business of mining, purchasing, processing and selling of coal and coal derivatives.
Dual Exploration was acquired by Cyries Energy which became Iteration Energy, now Chinook Energy
Dualex Energy [TSX-V:DXE] - Focus on international properties located predominantly in the greater Mediterranean area.
Duncan Energy Partners was acquired by Enterprise Products Partners L.P.
Duvernay Oil was acquired by Shell Canada
Dyas [wholly owned subsidiary of SHV Holdings NV] - Active partner, as non operator, in oil and gas exploration, development and production joint ventures.
Dynamic Oil was acquired by Sequoia Oil and Gas Trust, now Sinopec Canada
DynaMotive Energy Systems [OTC:DYMTF] - BioOil fuels and derivative products.

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