Oil Companies



Galleon Energy Inc.

Galleon Energy Inc. is part of an exclusive group of mid-sized oil and natural gas explorers and producers operating in Western Canada. The company has the largest contiguous land block ever assembled on Alberta’s Peace River Arch and one of the strongest technical teams
in the sector.


Gasco Energy

Denver-based Gasco Energy, Inc. (NYSE Amex: GSX) is a rapidly growing independent oil and gas company focused on building shareholder value through the development of large natural gas deposits in the U.S. Rocky Mountain region. Focused primarily on Utah's Uinta Basin, Gasco targets multiple, tight-gas sands and shales that are regionally extensive across its leasehold. Gasco's SEC-defined proved reserves at year-end 2009 were approximately 46.9 billion cubic feet of natural gas equivalent, comprised 94% of natural gas and 100% of the quantities are proved developed. The Company operates over 100 producing wells in its core Riverbend Project in the Uinta Basin.


Gastar Exploration Ltd.

Gastar Exploration Ltd. is an exploration and production company focused on finding and developing natural gas assets in North America. The Company pursues a strategy combining deep natural gas exploration and development with lower risk CBM and shale resource development. The Company owns and operates exploration and development acreage in the deep Bossier gas play of East Texas and Marcellus Shale play in West Virginia and Pennsylvania. Gastar's CBM activities are conducted within the Powder River Basin of Wyoming.



Gazprom is one of the world’s largest energy companies. Its major business lines are geological exploration, production, transportation, storage, processing and marketing of hydrocarbons as well as generation and marketing of heat and electric power. Gazprom’s mission is to ensure maximally efficient and balanced gas supply to Russian customers and reliably fulfill long-term gas export contracts.


Gazprom Neft

Gazprom Neft is one of the largest and fastest growing oil and gas producers in Russia. The key areas of the Company's operations include the exploration, development, production and sale of crude oil and gas, as well as oil refining and the marketing of petroleum products. Gazprom Neft operates in the largest oil and gas regions in Russia such as Khanty-Mansyisk Autonomous District, Yamalo-Nenets Autonomous District, Tomsk and Omsk regions. The Company's major oil refineries are located in the Omsk, Moscow, and Yaroslavl regions.


Genel Energy

 Genel Energy plc is an Anglo-Turkish exploration and production company with world-class oil and gas assets. We own a portfolio of high-quality assets with robust growth options over the short, medium and long-term. An excellent capital base and a high-calibre board and management team underpin these assets. With these strengths, Genel Energy is building a leading E&P business, founded on a set of assets in the Kurdistan Region, that places us in the top tier of independent E&Ps.


GeoMet Operating Co.

GeoMet, Inc. is an independent energy company primarily engaged in the exploration for and the development and production of natural gas from coal seams (coalbed methane or CBM) and non-conventional shallow gas. Our principal operations and producing properties are located in the Cahaba Basin in Alabama and the Central Appalachian Basin in West Virginia. We also control additional coalbed methane and oil and gas development rights, principally in Alabama, British Columbia, Virginia and West Virginia.


GMX Resources

GMXR is a 'Pure Play', E & P Company with one of the most concentrated H/B Hz Shale Operations in East Texas. The Company has 355 BCFE in proved reserves (YE2009), 94% of which are natural gas. The Company's proved reserves are 81% operated and consist of 19.0 gross/18.6 net H/B Hz producers, 324 gross / 186.9 net Cotton Valley Sand ("CVS") producers and 47 net Travis Peak / Hosston Sands & Pettit producers. These multiple resource layers provide high probability and the potential for repeatable, organic growth and contain 273 net H/B Hz un-drilled locations and 1,382 net CVS un-drilled locations.


Goodrich Petroleum Corp.

Goodrich Petroleum Corporation is an independent exploration and production company that drills for, acquires, develops and produces natural gas and crude oil primarily in the Haynesville Shale and Cotton Valley Trend in East Texas and North Louisiana, and the Eagle Ford Shale oil window of South Texas.


Grand Mesa Operating Co.


GranTierra Energy

Gran Tierra Energy Inc. is an international oil and gas exploration and production company headquartered in Calgary, Canada, incorporated and traded in the United States and operating in South America. The Company currently holds interests in producing and prospective properties in Colombia, Argentina and Peru. The Company strategy is focused on establishing a portfolio of drilling opportunities to exploit undeveloped reserves to grow production, as well as undertaking exploration drilling to grow future reserves.

Great Plains Exploration Inc.

The Great Plains management team has personal experience in pursuing – and achieving – our planned growth model. In previous ventures, we attained timely, profitable growth in production, reserves, cash flow and net asset value. This experience was gained through more than one corporate cycle of company formation, acquisitions, rationalization, internal growth and monetization, and through more than one commodity price cycle. We are confident of this model’s ability to maximize shareholder value. Our track record suggests we can execute it successfully at Great Plains.


Greentree Gas & Oil Ltd.

Greentree Gas & Oil Ltd. is an Ontario-based junior oil and gas exploration and production company. The Company focuses on its core areas in southwestern Ontario, where it continues to explore and develop long-life reserves of natural gas and light oil.

Gulfport Energy Corp.

Our Company is a value-driven, growth oriented oil and gas exploration and production company headquartered in Oklahoma City, Oklahoma.  Operating areas include targeted exploration and exploitation using new technologies in areas with known major oil resources in place whether in Southern Louisiana, the Permian Basin and the Bakken Shale.  Exploration opportunities are pursued in areas where capital investment can generate tremendous upside as shown by exploration and exploitation activities in the Canadian oil sands, natural gas exploration in northern Thailand, and oil and gas exploration activities in Belize




Hardy Oil and Gas

Hardy Oil and Gas plc is an international oil and gas exploration and production company primarily focused on India with some development interests in Nigeria. The Group has assembled an attractive portfolio of exploration, development and production assets. Ordinary shares of Hardy trade on the Main Market of the London Stock Exchange under the trading mnemonic HDY.L.


Hawk Exploration

Hawk is a company engaged in the exploration, development and production of conventional crude oil and natural gas in western Canada and is based in Calgary, Alberta.


Hellenic Petroleum SA

A dynamic Group, with solid foundations and a continuous profitability holds a leading position in the Greek energy sector as well as in the greater area of Southeast Europe. The Group’s range of activities includes: Refining of crude oil and  fuel supply.Retailing of oil products, including sales abroad.Production and trading of petrochemicals and chemicals.Oil & Gas exploration and production. Production and trading of power generation through Elpedison, the 50/50 joint venture with Italy's Edison.Participation in the natural gas market, through the 35% stake in DEPA S.A. Provision of consulting and engineering services to hydrocarbon related project.Production and trading of any other form of energy.Participation in the transportation of crude oil and products (pipe-lines, sea transportation). The Group’s entrepreneurial programme includes investments mainly in the refining sector, in power production, as well as investments concerning the expansion of its international activities, with priority set in S. E. Europe and particularly in  the Balkan region.


Hemisphere Energy Corp.

Hemisphere Energy Corporation (TSX-V: HME) is an emerging Canadian oil and gas company engaged in the exploration, development and production of oil and natural gas reserves. Hemisphere Energy has an experienced team dedicated to delivering growth in production, reserves and cash flow per share with a balanced strategy of developing, exploring and acquiring oil and natural gas assets in Western Canada.




HighMount E&P LLC

HighMount is the combined energy of people with a passion for our industry and our future. We focus on the development of long-life natural gas in a creative and open culture that values the contribution of every employee. Leveraging the diverse talents of our dedicated employees, we bring a dynamic perspective to the industry and an unwavering commitment to integrity, safety and the environment. At HighMount, we energize people to achieve their full potential. At HighMount, we are energized to realize the unlimited potential of the ideal transition energy to the future.


Holloman Energy Corp.

Holloman Energy explores for oil and gas in Australia. We trade on the US OTC BB under the Symbol “HENC”. Our controlling shareholder is Houston-based Holloman Corporation, one of the largest employee-owned engineering and construction companies in the United States. As a result of that relationship, we have the benefit of support generally unavailable to companies our size.


Holmes Western Oil


Houston American Energy

Houston American Energy Corp. (HUSA) is an oil and gas exploration and production company. Our oil and gas exploration and production activities are focused on properties in the U.S. onshore Gulf Coast Region, principally Texas and Louisiana, and on the development of concessions in the South American country of Colombia. We seek to utilize the contacts and experience of our founder and chief executive officer, John F. Terwilliger; the expertise in oil and gas geology, engineering and production provided by our Board of Directors; and the financial acumen of our Chief Financial Officer, James J. Jacobs to seek out and evaluate favorable drilling opportunities. We generally seek to form partnerships and joint ventures to spread the cost and risks to us of drilling while maximizing our potential returns.


Howard Energy Corp.

Since the Company's inception, Howard Energy has sought to establish its reserve base through exploration, acquisition, and technical enhancement of known reserves. Howard Energy has also established subsidiaries to further its investments in the energy sector.

Howard Energy uses the most up-to-date geophysical technology available. Howard Energy's geophysical experience includes incorporating gravity, magnetics, and seismic data to produce a comprehensive geophysical interpretation with the primary focus on seismic data. Howard Energy processes all of its proprietary seismic data internally, and Howard Energy scientists have written proprietary software to help solve statics in difficult data areas.



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