Oil and gas upstream activities market in this report is segmented into crude oil & natural gas, oil and gas wells drilling services, and oil and gas supporting activities.

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The oil and gas upstream activities market is valued at $3 trillion in 2017 due to greater stability in crude oil prices and increased demand from developing nations will drive the oil and gas market growth.
Asia Pacific was the largest geographic region accounting for one-third of the global market due to high demand and consumption of energy from world's economic growth engines China and India.
The market is split into segments: crude oil & natural gas and oil & gas wells drilling services and oil and gas supporting activities.

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The USA was the largest country accounting for one-fifth of the market share. This is because the country is the largest energy consumer due to the large and mature industries present.
The major competitors in the market are Saudi Aramco, Kuwait Petroleum Corp., Rosneft OAO, Iraq Ministry of Oil, National Iranian Oil Company, Exxon Mobil Corp., Statoil ASA, Royal Dutch Shell PLC, BP Plc And Chevron Corp. Saudi Aramco company is an integrated energy and chemicals company in Saudi Arabia. The company is engaged in the exploration, production, refining, distribution, shipping, and marketing of hydrocarbons; production of petrochemical products; and production and export of crude oil and natural gas liquids.

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