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Keywords: drag reduction
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Proceedings Papers

Publisher: BHR Group
Paper presented at the 17th International Conference on Multiphase Production Technology, June 10–12, 2015
Paper Number: BHR-2015-D1
... drag-reducing polymer substantially decreased the frictional pressure gradients with drag reductions at the upward inclinations higher than those at downward inclination. The upward inclinations also increased the drag reductions at water-continuous dispersed flow regions while the reverse was the case...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 16th International Conference on Multiphase Production Technology, June 12–14, 2013
Paper Number: BHR-2013-G3
... the pressure drop by about 40% polymer amplitude multiphase flow upstream oil & gas interfacial wave usw 0 enhanced recovery bhr group 2013 oil-water flow international journal production control flow pattern map pressure drop drag reduction production monitoring reduction polymer...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 15th International Conference on Multiphase Production Technology, June 15–17, 2011
Paper Number: BHR-2011-C1
... with diameter 25.4 and 19.0mm was investigated. Mineral oil and co-polymer (Magnafloc 1035) were used. Polymer concentrations between 2 to 30 ppm were investigated. The results showed that pipe diameter has significant effect on drag reduction. Drag reduction of up to 60% was observed in the 25.4 mm pipe while...
Proceedings Papers

Publisher: BHR Group
Paper presented at the 15th International Conference on Multiphase Production Technology, June 15–17, 2011
Paper Number: BHR-2011-C2
... polymers a higher superficial liquid velocity, U SL , needed to convert a stratified flow to pseudo-slug or pseudo-slug to slug flow pattern and also a higher superficial gas velocity, U SG , is needed to convert stratified to annular. Most importantly it has been noticed that the maximum drag reductions...

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