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| Oil & Gas Journal |
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| The Oil & Gas Journal is the world's most widely read and respected petroleum industry publication. OGJ Online is Oil & Gas Journal in electronic form, but it's also much more. OGJ Online assembles the strength of the entire PennWell Energy Team - the world's leading provider of high-value information to the energy industry - to deliver a powerful tool for solving technical and business problems. |
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| Oil & Gas Journal |
| Houston , Texas |
| USA |
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