BG Group - a world leader in natural gas. BG Group. BG Group plc is a British multinational oil and gas company headquartered in Reading, United Kingdom.[3][4] It has operations in 25 countries across Africa, Asia, Australasia, Europe, North America and South America and produces around 680,000 barrels of oil equivalent per day.[5][6] It has a major Liquefied Natural Gas (LNG) business and is the largest supplier of LNG to the United States.[7] As at 31 December 2009 it had total proven commercial reserves of 2.6 billion barrels (410,000,000 m3) of oil equivalent.[8] BG Group is listed on the London Stock Exchange and is a constituent of the FTSE 100 Index.
As of 6 July 2012 it had a market capitalisation of £44.9 billion, the seventh-largest of any company listed on the London Stock Exchange.[9] Global. BP. As of December 2013, BP had operations in approximately 80 countries,[5] produced around 3.2 million barrels per day (510,000 m3/d) of oil equivalent,[1] had total proved reserves of 17.9 billion barrels (2.85×109 m3) of oil equivalent,[13] and had around 17,800 service stations.[14][15] Its largest division is BP America, which is the second-largest producer of oil and gas in the United States.[16] BP owns a 19.75% stake in the Russian oil major Rosneft, the world's largest publicly traded oil and gas company by hydrocarbon reserves and production.
BP has a primary listing on the London Stock Exchange and is a constituent of the FTSE 100 Index; it had a market capitalisation of £85.2 billion as of April 2013, the fourth-largest of any company listed on the exchange.[17] It has secondary listings on the Frankfurt Stock Exchange and the New York Stock Exchange. BP has been directly involved in several major environmental and safety incidents. Shell UK - United Kingdom. Royal Dutch Shell. Royal Dutch Shell plc (LSE: RDSA, RDSB), commonly known as Shell, is an Anglo–Dutch multinational oil and gas company incorporated in the United Kingdom and headquartered in the Netherlands.[2] Created by the merger of Royal Dutch Petroleum and UK-based Shell Transport & Trading, it is the largest company in the world, in terms of revenue,[1] and one of the six oil and gas "supermajors".
Shell is also one of the world's most valuable companies.[3] As of January, 2013 the largest shareholder is Capital Research Global Investors with 9.85% ahead of BlackRock in second with 6.89%.[4] Shell topped the 2013 Fortune Global 500 list of the world's largest companies.[5] Royal Dutch Shell revenue was equal to 84% of the Netherlands's $555.8 billion GDP at the time.[6] Shell has a primary listing on the London Stock Exchange and is a constituent of the FTSE 100 Index.
History[edit] 20th century[edit] Tullow Oil plc. Tullow Oil. Tullow Oil plc is a multinational oil and gas exploration company founded in Tullow, Ireland with its headquarters in London, United Kingdom.[2] It has interests in over 150 licenses across 25 countries with 67 producing fields and in 2012 produced on average 79,200 barrels of oil equivalent per day.[3] Its largest activities are in Africa and the Atlantic Margins, where it has discovered new oil provinces in Ghana, Uganda, Kenya and French Guiana.
Tullow’s main production comes from six countries in Africa as well as the Southern North Sea and Asia.[4][5] Ghana's offshore Jubilee oil field which was discovered in 2007 and started production in December 2010 is Tullow's largest discovery.[2] Tullow has a primary listing on the London Stock Exchange and is a constituent of the FTSE 100 Index. Wood Group - Global Leader in Oil & Gas and Power Generation - Engineering, Production Support, Gas Turbine Services. Wood Group. Petrofac. Petrofac. History[edit] The company was established as producer of a modular plant in Tyler, Texas, USA in 1981.[2] It was first listed on the London Stock Exchange in 2005.[2] In 2010, it bought a 20 percent share in the Gateway storage scheme, an undersea cavern for gas storage.[3] In November 2013, Petrofac and the Italian oil firm Bonatti partnered on a $650 million joint venture contract for Sonatrach, adding to the firm’s already significant presence in Algeria.[4]
Engineering Consultancy and Project Management Services - AMEC. AMEC. AMEC plc is a British multinational consultancy, engineering and project management company headquartered in London, United Kingdom.[3] It is focused on the oil and gas, minerals and metals, clean energy, environment and infrastructure markets and has offices in 40 countries worldwide.[3] Roughly a third of its turnover comes from Europe, half from North America and 12% from the rest of the world.[4] AMEC is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index.
History[edit] AMEC was formed from the 1982 amalgamation of Leonard Fairclough & Son (founded 1883) and the William Press Group (founded 1913). In 1988, AMEC went on to acquire Matthew Hall Group.[5] In 2011, the company acquired US-based BCI Engineers & Scientists, Inc.,[32] MACTEC, a US-based engineering consultancy company,[33] and Zektin Group, an Australian-based specialist engineering consultancy for the oil and gas and resources industries.[34]