Qatar Petroleum is a state owned public company specializing in all aspects of petroleum and natural gas exploration and production.
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YPF S.A. is a vertically integrated Argentine energy company, engaged in oil and g...
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Founded in 1919, Halliburton celebrates its 100 years of service as one of the wor...
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KARR as a growing company with a vision to the future, we are committed to reversi...
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