Halliburton is one of the world’s leading provider of technology covering the entire value chain of oil and gas exploration to production. Established in 1919, working in more than 80 countries and employing over 70,000 people of over 140 nationalities…
See full profile..Schlumberger is the world’s leading provider of technology for reservoir characterization, drilling, production, and processing to the oil and gas industry. Working in more than 85 countries and employing approximately 100,000 ….
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