Unocal is one of the world's leading independent natural gas and crude oil exploration and production companies. With more than 6,000 employees, the company's principal oil and gas activities are in Asia and North America. Unocal has no refining or marketing operations.

EnCana Corporation (EnCana) is a natural gas producer. The Company is one of the holders of natural gas and oil resource lands onshore North America. EnCana's other operations include the transportation and marketing of crude oil, natural gas and natural gas liquids, as well as the... more

Petrobras (www.Petrobras.com) is among the world's largest integrated oil and gas companies, engaging in a broad range of activities, including exploration, development, and production of crude oil and natural gas; refining, transportation, and wholesale marketing of crude oil, natural... more

Chesapeake Energy Corporation is a producer of natural gas in the United States (first among independents). It owns interests in approximately 38,500 producing oil and natural gas wells that are producing approximately 2.2 billion cubic feet equivalent (bcfe), per day, 92% of which is... more

The Williams Companies, Inc. (Williams) is a natural gas company. The Company primarily finds, produces, gathers, processes and transports natural gas. Its operations are concentrated in the Pacific Northwest, Rocky Mountains, Gulf Coast and the Eastern Seaboard. Its activities are... more

Devon Energy Corporation (Devon) is an independent energy company engaged primarily in oil and gas exploration, development and production, the acquisition of producing properties, the transportation of oil, gas and natural gas liquids and the processing of natural gas. Devon owns oil and... more

Dominion Resources, Inc. (Dominion) is a producer and transporter of energy. The Company’s portfolio of assets includes approximately 26,500 megawatts of generation, 6,000 miles of electric transmission lines, 55,000 miles of electric distribution lines in Virginia and North Carolina,... more

7.4 It has also been decided that ONGC, IOC and GAIL would be the flagship companies of the Government and the Government would continue to hold minimum of 51% equity in these companies. This has been done, keeping in view the importance of maintaining continuous and uninterrupted... more

Nexen Inc. (Nexen) is an independent, Canadian-based, global energy company. Nexen operates in four segments: oil and gas, Syncrude, energy marketing and chemicals. The Company owns 7.23% of the Syncrude Joint Venture, which develops and produces synthetic crude oil from mining bitumen in... more

XTO Energy Inc., along with its subsidiaries, is engaged in the acquisition, development, exploitation and exploration of producing oil and gas properties, and in the production, processing, marketing and transportation of oil and natural gas. Its estimated proved reserves at December 31,... more

Questar Corporation (Questar) is a natural gas-focused energy company with four major lines of business: gas and oil exploration and production, midstream field services, energy marketing, interstate gas transportation, and retail gas distribution. The Company's operations are conducted... more

The Houston Exploration Company is an independent natural gas and crude oil producer engaged in the development, exploitation, exploration and acquisition of natural gas and crude oil properties. The company's operations are focused in South Texas, the Rocky Mountains, the Arkoma Basin,... more

Burlington Resources Inc. is one of the world's largest independent oil and natural gas exploration and production companies, and ranks among North America's leading producers. Our hallmarks include a focus on natural gas, long-life reserves, strong cash flow generation throughout the... more

BG Group plc is a global natural gas business. Active in more than 25 countries across five continents, BG Group operates four business segments - Exploration and Production, LNG, Transmission and Distribution and Power.

Energen Corporation is a diversified energy holding company with headquarters in Birmingham, Alabama. Through its Energen Resources unit, Energen is engaged in the acquisition and development of onshore North American oil and gas properties. Energen also sells and distributes natural gas... more

Origin Energy Limited (Origin) is engaged in exploration and production of oil and gas, electricity generation, and wholesale and retail sale of electricity and gas. The Company’s producing assets include Coal Seam Gas and Cooper/Eromanga Basin in Queensland, Otway Gas Project and Bass... more

Gaz de France is a major European natural gas company engaged in natural gas exploration, production, marketing and distribution. The Gaz de France is a leading gas distributor in Europe. Gaz de France provides services to 14 mln consumers including 11 mln in France. Since the beginning... more

Apache Corporation is an independent energy company that explores for, develops and produces natural gas, crude oil and natural gas liquids. In North America, the Company's exploration and production interests are focused in the Gulf of Mexico, the Gulf Coast, East Texas, the Permian... more

Canadian Natural Resources Limited (Canadian Natural) is a Canada-based independent energy company engaged in the acquisition, exploration, development, production, marketing and sale of crude oil, natural gas liquids (NGLs), natural gas and bitumen production. The Company's conventional... more

Newfield Exploration Company is an independent oil and gas company engaged in the exploration, development and acquisition of natural gas and crude oil properties. The Company’s domestic areas of operation include the Anadarko and Arkoma Basins of the Mid-Continent, the Rocky Mountains,... more

Tullow Oil plc is an independent exploration and production companies. The Company has a balanced portfolio of oil and gas assets, across 23 countries with an interest in 106 licenses. During the year ended December 31, 2007, the Company’s producing assets output was 73,100 barrels of oil... more

Western Gas Resources is headquartered in Denver, Colorado, gateway to the resource-rich Rocky Mountains. Our Company was founded in 1971. Recognizing the need to capture natural gas flaring from producing oil wells in the 1970s, Western created a niche by providing natural gas... more

Southwestern Energy Company is an independent energy company primarily engaged in the exploration for and production of natural gas within the United States. The Company also focuses on creating and capturing additional value through its natural gas gathering and marketing businesses,... more

Swift Energy Company is engaged in developing, exploring, acquiring, and operating oil and natural gas properties, with a focus on oil and natural gas reserves onshore and in the inland waters of Louisiana and Texas. As of December 31, 2007, the Company had estimated proved reserves from... more

National Fuel Gas Company is a holding company. The Company is a diversified energy company consisting of five business segments. The Utility segment contributed approximately 25.2% of the Company’s income during the fiscal year ended September 30, 2007 (fiscal 2007). The Pipeline and... more

AEC (Alberta Energy Company Ltd.) is focused on Growth, Value and Performance as it builds a Super-Independent oil and gas company. This strategy capitalizes on the world-class assets and high-quality, long-life reserves that AEC has established in its three strong growth platforms -... more

Bill Barrett Corporation is engaged in the exploration, development and production of natural gas and crude oil, and all of the Company’s operations are conducted in the United States. The Company began active natural gas and oil operations with the acquisition of properties in the Wind... more

Cheniere Energy, Inc. (Cheniere), through its subsidiaries, is engaged primarily in the business of developing and constructing, and then owning and operating, a network of three onshore liquefied natural gas (LNG) receiving terminals and natural gas pipelines. The Company is developing a... more

KCS Energy, Inc. is an independent oil and gas company engaged in the acquisition, exploration and production of natural gas and crude oil. The Company was formed in 1988 when a New Jersey based gas utility company, with operations in eight different businesses, spun off its non-utility... more

Energen Resources is one of the companies mentioned in an article that appeared in the September issue of "Oil and Gas Investor" magazine. The subject of the article is the Cambrian shale play in northeastern Alabama's Valley and Ridge province. Energen President and Chief Executive... more

Linn Energy, LLC (Linn Energy) is an independent oil and gas company focused on the development and acquisition of long-lived properties in the United States. The Company’s oil, gas and natural gas liquids (NGL) properties are located in three regions in the United States: Mid-Continent,... more

Gasco Energy, Inc. (Gasco) is a natural gas and petroleum exploitation, development and production company engaged in locating and developing hydrocarbon resources, primarily in the Rocky Mountain region. The Company’s principal business is the acquisition of leasehold interests in... more

NGAS Resources, Inc. is an exploration and production company focused on natural gas basins in the eastern United States that support multiple, repeatable drilling, principally in the southern portion of the Appalachian basin. The Company specializes in generating its own geological... more

SandRidge Energy, Inc. (SandRidge) is an independent oil and natural gas company with its principal focus on exploration and production. The Company also owns and operates gas gathering, marketing and processing facilities, carbon dioxide (CO2) treating and transportation facilities, and... more

EXCO Resources, Inc. (EXCO) is an independent oil and natural gas company engaged in the acquisition, development and exploitation of onshore North American oil and natural gas properties. The Company’s operations are focused in key North American oil and natural gas areas, including East... more

Gastar Exploration Ltd. is an independent energy company engaged in the exploration, development and production of natural gas and oil in the United States and Australia. The Company’s principal business activities include the identification, acquisition, and exploration and development... more

Penn Virginia Corporation (Penn Virginia) is engaged in the exploration, development and production of natural gas and crude oil primarily in various onshore United States regions, including East Texas, the Mid-Continent, Appalachia, Mississippi and the Gulf Coast. The Company also... more

Warren Resources, Inc. (Warren) is an independent energy company engaged in the exploration and development of domestic onshore oil and gas reserves. The Company focuses primarily on the exploration and development of coalbed methane (CBM), natural gas properties located in the Rocky... more

Canadian Superior Energy Inc. (Canadian Superior) is a crude oil and natural gas exploration and production company with its emphasis on the exploration for, and production of, crude oil and natural gas in Western Canada, offshore Nova Scotia, and offshore Trinidad and Tobago. On March26,... more

Toreador Resources Corporation (Toreador) is an independent international energy company engaged in oil and natural gas exploration, development, production, leasing and acquisition activities. Toreador holds interests in permits granting the Company the right to explore and develop oil... more

Goodrich Petroleum Corporation is an independent oil and gas company engaged in the exploration, exploitation, development and production of oil and natural gas properties primarily in the Cotton Valley trend of East Texas and Northwest Louisiana. As of December 31, 2007, the Company... more

Comstock Resources, Inc. (Comstock) is engaged in the acquisition, development, production and exploration of oil and natural gas. The Company’s oil and gas operations are concentrated onshore in the east Texas/north Louisiana and south Texas regions and offshore in state and federal... more

Cabot Oil & Gas Corporation is an independent oil and gas company engaged in the development, exploitation and exploration of oil and gas properties located in North America. The Company’s five principal areas of operation are the Appalachian Basin, the Gulf Coast, including south and... more

Eurogas Corporation is a Calgary, Canada-based company whose common shares trade on the TSX-Venture Exchange under the symbol EUG. Eurogas is focused on creating long-term value through the development of high-impact energy projects. The Corporation is developing a major underground... more

TUSK Energy Corporation (TUSK) is involved in the exploration, development and production of petroleum and natural gas in Alberta and British Columbia. TUSK acquired Zenas Energy Corp. (Zenas) through a Plan of Arrangement on December 31, 2006. TUSK and Zenas were amalgamated on January... more

Evergreen Resources is an independent energy company engaged primarily in the operation, development, production, exploration and acquisition of North American unconventional natural gas properties. Evergreen is one of the leading developers of coal bed methane reserves in the United... more

About Powder River Basin Gas Corp. -- Powder River Basin Gas Corp. is a revenue generating producer, acquirer and marketer of crude oil and natural gas properties. Powder River Basin Gas Corp. has just completed filing its second quarter earnings and has announced revenues of over USD... more

Denbury Resources Inc. is engaged in the acquisition, development, operation and exploration of oil and natural gas properties in the Gulf Coast region of the United States, primarily in Mississippi, Louisiana, Texas and Alabama. During the year ended December 31, 2007, the Company... more

Items 1, 2. Business and Properties   General   The Wiser Oil Company is an independent oil and gas exploration and production company operating primarily in Texas, New Mexico, the Gulf Coast and Western Canada. Our total proved reserves at December 31, 2003 were 191.2 Bcfe,... more

CNX Gas Corporation is engaged in the exploration, development, production and gathering of natural gas primarily in the Appalachian and Illinois Basins. The Company is a developer of coalbed methane (CBM). CONSOL Energy Inc. (CONSOL Energy) owns 81.5% of the Company’s outstanding common... more