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Laboratory evaluation of water additives for petroleum displacement

The use of a nonionic detergent and citric acid for improving cleanout procedures of water-input wells in secondary oil-recovery projects

The effectiveness of sodium tripolyphosphate for improving injection rates of waterfloods

Published Year

• 1950-1959 (2)
• 1960-1969 (1)

Subject

• Oil field flooding (3) *
• Phosphates (1)
• Secondary recovery of oil (1)
• Sodium compounds (1)
• Water--Analysis (1)

Author

• Johansen, Robert T. (3) *
• Dunning, H. N. (2)
• Heemstra, R. J. (1)
• Powell, J. P. (1)

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