Baker Hughes, a leader in oilfield services, creates value for oil and gas producers by providing practical technology to find, develop, produce and manage petroleum reservoirs.

We will attract and retain the best people and foster an environment throughout our organization of openness and trust which empowers all of us to contribute to our full potential. (from the BJ Services Company Mission Statement)

Chevron is the fifth-largest integrated energy company in the world. Headquartered in San Ramon, California, and conducting business in approximately 180 countries, the company is engaged in every aspect of the oil and natural gas industry, including exploration and production; refining, marketing and transportation; chemicals manufacturing and sales; and power generation.

JSC "LUKOIL-AIK" was incorporated in 1993 by OJSC "Kogalymneftegas" (General Director S.M. Weinstock), LUKOIL-Israel Limited Company (President I. Moore), and Limited Liability Partnership "APEX" (General Director V.S. Stanev). The company is headquartered in Kogalym, the Khanty-Mansi Autonomous Area of the Tyumen Region. The company has been conducting commercial operations since 1995 and is invariably named among the three leading joint ventures with foreign investors in terms of oil output. The company holds a license to develop the Kogalym oil and gas fields. In 2001, it produced more than two million tons of oil and over 143 million cubic metres of natural gas.

DeGolyer and MacNaughton performs a variety of services related to the upstream sector of the petroleum industry, including evaluation of the hydrocarbon potential of exploration areas, estimation and classification of reserves to be recovered from new discoveries, verification of hydrocarbon reserves, production forecasting, and appraisal of properties for prospective acquisition, divestiture, issuance of securities, or financing purposes.

GCA is an independent, international advisory firm focused on the provision of integrated technical and managerial advisory services to all sectors of the oil and gas industry. For over forty years GCA has provided both broad-based and detailed advice resulting in solutions-orientated, commercially viable and practical results designed to meet our client's specific requirements. GCA's across the board expertise - upstream, mid-stream and downstream - combined with the use of multidisciplinary teams encourages flexibility and responsiveness that adds value to all our clients and projects.

Founded in 1919, Halliburton is one of the world's largest providers of products and services to the oil and gas industries. The Company adds value through the entire lifecycle of oil and gas reservoirs.

With locations in more than 70 countries, M-I SWACO is a worldwide company representing a wide array of businesses involved in drilling, reservoir drill-in and completion fluids and associated services for the petroleum industry.

Modeling Technologies Center provides petroleum engineering software and associated consultancy for E&P business.

Rosneft is a centralized holding company with a single industrial and financial policy. As a vertically integrated oil company, Rosneft performs the complete production cycle - from geological prospecting and the production of hydrocarbons through to sales of end-user products.

For over a decade, PetroAlliance Services Company Limited has occupied a prominent position in the service sector of the oil and gas industry. Combining advanced technologies and "state-of-the-art" equipment made by the oil industries leading manufactures and adapting to local well and reservoir conditions and work processes, PetroAlliance's highly skilled specialists offer reliable and competitive services. PetroAlliance is committed to maintain and enforce an effective Health, Safety and Environmental plan that applies to all employees. Today PetroAlliance is one of Russia's largest service companies, providing a broad range of exploration and development services for oil and gas fields in line with world standards.

PowerWell Services is leading the way, breaking new ground and setting a higher standard (OR challenging the standard, discovering new paths). We are committed to raising industry standards in flow management. As the safety, performance and reliability of equipment, personnel and data continue to play a vital role in the success of the oil and gas industry, PowerWell Services is positioned to excel in all these areas.

Salym Petroleum Development N.V. (SPD) is a Joint Venture set up in 1996 with a view to develop the Salym group of oilfields in Western Siberia. SPD was established on a 50:50 basis by Shell Salym Development B.V. and OAO NK Evikhon (now a subsidiary of Sibir Energy plc).

Schlumberger is the leading oilfield services provider, trusted to deliver superior results and improved E&P performance for oil and gas companies around the world. Through our well site operations and in our research and engineering facilities, we are working to develop products, services and solutions that optimize customer performance in a safe and environmentally sound manner.

TNK-BP is a major Russian vertically integrated oil company, established in September 2003 as a result of the merger of Russian companies TNK (Tyumen Oil Co.) and SIDANCO with the majority of BPs Russian oil assets.

TRACS Consult provides technical consulting and training services in the field of oil and gas exploration, development and production. In January 2002 TRACS Consult was registered in Moscow. TRACS Consult is an affiliate of TRACS International (Aberdeen and Guildford) which has been working in Russia and in the CIS countries since 1994, providing services to numerous foreign and Russian clients.

Wintershall specialises in energy and is a wholly owned subsidiary of BASF AG, based in Ludwigshafen. Together with its affiliates, Wintershall is active in exploration, production and trading of crude oil and natural gas. In addition the Kassel-based company markets capacities for crude oil and natural gas storage, natural gas transportation and optical fibres.

There are three key challenges for any reservoir-oriented seismic survey: broadband resolution of the final data, reliability of the measurements, and repeatability of each survey. WesternGeco Q-Technology is leading the industry in meeting these challenges to make reservoir-oriented seismic data a viable, valuable, and reliable business tool for the E&P asset team.

Weatherford International Ltd. is one of the leading oilfield service companies in the world. Since its beginning in 1941 as the Weatherford Spring Company, we have maintained a culture of service and innovation. Our capabilities span the drilling, completion and production cycles of oil and gas. In total we employ more than 17,000 people in more than 500 locations across more than 100 countries.