Energy is the foundation of PennWell`s history. First printing our flagship publication - the Oil & Gas Journal - in 1902, our petroleum group covers the topics, issues, challenges and solutions most critical to the international petroleum industry. With a network of global events located throughout the world, PennWell collectively reaches more than 135,000 petroleum professionals in 75 countries, providing unparalleled reach of the international petroleum market.
By PennWell Corporation based in Tulsa, OKLAHOMA (USA).
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