| 1 | PhD in Petroleum Engineering with Biochemical Engineering | - Delta State University ( DELSU )
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| 2 | PhD in Petroleum Engineering with Chemical Reactions Engineering and Catalysis | - Delta State University ( DELSU )
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| 3 | PhD in Petroleum Engineering with Corrosion Engineering | - Delta State University ( DELSU )
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| 4 | PhD in Petroleum Engineering with Drilling Engineering | - Delta State University ( DELSU )
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| 5 | PhD in Petroleum Engineering with Environmental Engineering | - Delta State University ( DELSU )
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| 6 | PhD in Petroleum Engineering with Fluid Dynamics and Transport | - Delta State University ( DELSU )
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| 7 | PhD in Petroleum Engineering with Materials and Polymer Engineering | - Delta State University ( DELSU )
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| 8 | PhD in Petroleum Engineering with Oil and Gas Production and Fuel Technology | - Delta State University ( DELSU )
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| 9 | PhD in Petroleum Engineering with Petrochemical and Petroleum Refining | - Delta State University ( DELSU )
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| 10 | PhD in Petroleum Engineering with Renewable Energy and Bioenergy | - Delta State University ( DELSU )
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| 11 | PhD in Petroleum Engineering with Reservoir Engineering | - Delta State University ( DELSU )
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| 12 | PhD in Petroleum Engineering with Unit Operations | - Delta State University ( DELSU )
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