Being the biggest base of petroleum producing and processing in China, Daqing Oilfield firmly supports the economy of China.

大庆油田是我国最大的石油生产与加工基地，对国家经济具有强大的支撑作用。

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Sedimentary facies study integrating drilling, log and seismic data and using sequence stratigraphy is a base of petroleum exploration.

综合钻井、测井和地震资料，用层序地层学方法进行沉积相研究是油气勘探的基础。

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Gansu is a newly emerged industrial base, an important base of petroleum industry, nonferrous metals, iron and steel industry and chemical industry.

甘肃是新兴的工业基地，是石油工业、有色金属、钢铁工业和化工工业的重要基地。

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The Potential Gas Committee, a research arm of the natural gas and petroleum industries, has said that this country has a natural gas resource base of nearly 2, 000 trillion cubic feet more than in the last 46 years.

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But if American energy producers are able to tap into even a fraction of this supply, our domestic energy production could well outstrip that of Saudi Arabia, which is currently the largest oil producer and exporter of total petroleum liquids in the world with a reserve base estimated around 260 billion barrels.

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He moved back to the company's base in London and held a series of finance jobs, wedding his knowledge of petroleum engineering to the discipline of return on investment.

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