UTS Energy is engaged in the exploration for and extraction of bitumen from Alberta's Athabasca oil sands region. UTS Energy Corporation holds a 20% stake in the Fort Hills Oil Sands Project, which has estimated reserves of 4 billion barrels of bitumen. UTS Energy Corporation acquired oil sands explorer True North Energy in 2004, giving UTS Energy 100% ownership of the Fort Hills Oil Sands Project. UTS Energy Corporation subsequently formed subsidiary Fort Hills Energy to develop the asset. Petro-Canada, one of Canada's largest oil producers, owns a 60% stake in the Fort Hills Oil Sands Project and is a development partner; Teck holds 20%. In 2009 French oil titan TOTAL tried to buy UTS Energy for $617 million, but was rebuffed by UTS Energy's board.

Vanguard Natural Resources, LLC, through its subsidiaries, engages in the acquisition, development, and exploitation of natural gas and oil properties. Vanguard Natural Resources properties are located in the southern portion of the Appalachian Basin, primarily in southeast Kentucky and northeast Tennessee; and the Permian Basin, primarily in west Texas and southeastern New Mexico, and in south Texas. As of December 31, 2008, Vanguard Natural Resources owned working interests in 958 net productive wells, and had estimated proved reserves of 108.5 billion cubic feet equivalents of natural gas and crude oil. Vanguard Natural Resources also has a 40% working interest in approximately 109,500 gross undeveloped acres surrounding or adjacent to its wells located in southeast Kentucky and northeast Tennessee. Vanguard Natural Resources was founded in 2006 and is based in Houston, Texas.

Venoco, Inc. was founded in 1992 and is based in Denver, Colorado. Venoco, Inc., an independent energy company, engages in the acquisition, exploration, exploitation, and development of oil and natural gas properties. Venoco, Inc. principal properties are located both onshore and offshore Southern California, onshore in California's Sacramento Basin, and onshore along the Gulf Coast of Texas. Venoco, Inc. owns interests in 627 net producing wells in Southern and Northern California and in Texas. In 2007 Venoco had estimated proved reserves of 99.9 million barrels of oil equivalent (of which 64% were oil and 61% were proved developed). Chairman and CEO Tim Marquez controls Venoco. As of December 31, 2009, Venoco, Inc. had net proved reserves of 98,313 MBOE.

Vero Energy Inc. is a Calgary based, growth oriented company engaged in the exploration, development and production of natural gas, natural gas liquids and oil in Western Canada. Since its inception in November of 2005, Vero has achieved significant growth in: production and production per share; cash flow and cash flow per share; reserves and reserves per share. Vero is committed to growing mainly through the drill bit, but also explores prudent acquisition opportunities that are a strategic fit. Vero has a solid land base of over 149,000 net undeveloped acres and over 280 drilling locations. Vero Energy Inc. produces more than 8,000 boe/d (barrels of oil equivalent per day), with natural gas products constituting about 80% of total production. Vero Energy Inc. has more than 175,000 acres of undeveloped land and about 245 drilling locations, but its core operations are located in Edson, where it controls about 32,000 acres; it also has major operations in Corbett. Vero Energy Inc. was founded in 2005.

W&T Offshore, Inc. are an independent oil and natural gas acquisition, exploitation and exploration company. W&T Offshore, Inc. are focused primarily in the Gulf of Mexico area, where W&T Offshore, Inc. have developed significant technical expertise and where the high production rates associated with hydrocarbon deposits have historically provided us the best opportunity to achieve a rapid payback on our invested capital. W&T Offshore, Inc. has interests in approximately 77 producing fields in federal and state waters; leases covering approximately 0.6 million net acres in the outer continental shelf off the coasts of Louisiana, Texas, Mississippi, and Alabama; and interests in approximately 288 structures. As of December 31, 2009, W&T Offshore, Inc. had proved reserves of 371.0 billion cubic feet of gas equivalent. W&T Offshore, Inc. was founded in 1983 and is based in Houston, Texas.

West Energy is an oil and natural gas exploration and production company with operations in western Canada. West Energy Ltd. has a large portfolio of drilling prospects in one of western Canada's most prolific light-oil plays, the Nisku area in Alberta. West Energy Ltd. produces more than 6,000 barrels of oil equivalent per day, and in 2007 it reported that it had proved plus probable reserves of more than 7.3 million barrels of oil equivalent. In the latter half of the decade, West Energy acquired stakes in the Beaverhill Lake light oil play and the Warburg area of Alberta as well as the Montney gas play in British Columbia. At December 31, 2007, West’s land position of Pembina Nisku rights along the trend includes 81,056 gross (46,010 net) acres consisting of 12,000 gross (5,717 net) acres of developed land and 69,056 gross (40,293 net) acres of undeveloped land.

Western states and international operations describes the global span of this oil and gas investment company. Western States International Incorporated has proven, seasoned relationships worldwide at every level. Western States International is an independent company with international access and response. Led by oil industry veteran CEO Ingrid Aliet-Gass, Western States International invests in companies engaged in oil and gas processing, and natural resource development, primarily in Indonesia and in California (in Kern County). Western States International also has operations in geothermal energy production, biofuel development, and liquid natural gas and petroleum products terminalling. In addition, Western States International, Inc. has sea fishing operations in East Java.

WesternGeco, a business unit of Schlumberger, is the world's leading geophysical services company, providing comprehensive worldwide reservoir imaging, monitoring, and development services, with the most extensive geophysical survey crews and data processing centers in the industry, as well as the world's largest multiclient data library. Services range from 3D and 4D (time-lapse) seismic surveys to multicomponent and electromagnetic surveys, supplying our clients with accurate measurements of subsurface geology. WesternGeco operations include land and marine seismic products and services, as well as multiclient services (including extensive libraries of survey data and database analysis). Formed in 2000, WesternGeco married the seismic survey and analysis operations of two oil field service titans: Schlumberger's Geco-Prakla unit and Baker Hughes' Western Geophysical unit. In 2006 Schlumberger acquired Baker Hughes' 30% stake in the company for $2.4 billion.

The company engages in oil and natural gas exploration and production activities, mainly in the Gulf Coast, Michigan, and the mid-continent, Permian Basin, and Rocky Mountain regions. In 2008 Whiting Petroleum Corporation reported proved reserves of 180 million barrels of oil and 354.8 billion cu. ft. of natural gas. That year Whiting Petroleum operated 3,337 net productive wells. Whiting Petroleum Corporation sells oil and gas production to end users, marketers, and other purchasers that have access to nearby pipeline facilities. Where there is no practical access to pipelines, oil is trucked to storage facilities. Whiting Petroleum Corporation had interests in 9,616 gross productive wells. Whiting Petroleum Corporation was founded in 1983 and is based in Denver, Colorado.

Winstar Resources Ltd. is a publicly traded oil and gas company listed on the Toronto Stock Exchange, focused primarily on Tunisia. Winstar Resources, Ltd. is headquartered in Calgary, Alberta, Canada, with international headquarters in Breda, The Netherlands and offices in Geneva, Switzerland; Tunis, Tunisia; Szolnok, Hungary and Bucharest, Romania. In 2005 Winstar Resources, Ltd. acquired Athanor, which produces in Tunisia, and El Paso Hungary Oil and Gas Concession L.L.C. Founded in 1996 as Virginia Energy Corporation, Winstar Resources, Ltd. subsequently changed its name to Winstar Resources. Winstar will focus primarily on high impact Tunisian wells which have the potential to substantially increase cash flow and production. Future activity will be funded, in great part, internally, by cash flow and divestment of non-core assets, and externally, through joint venture partnerships.

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