Accepted Manuscript Experimental Study of Drag Reduction of Polymer-Polymer Mixtures in Hori- zontal Dispersed Oil–Water Flow M. Eshrati, T. Al-Wahaibi, A.R. Al-Hashmi, Y. Al-Wahaibi, A. Al-Ajmi, A. Abubakar PII: S0894-1777(17)30006-7 DOI: http://dx.doi.org/10.1016/j.expthermflusci.2017.01.006 Reference: ETF 8985 To appear in: Experimental Thermal and Fluid Science Received Date: 25 December 2015 Revised Date: 20 December 2016 Accepted Date: 8 January 2017 Please cite this article as: M. Eshrati, T. Al-Wahaibi, A.R. Al-Hashmi, Y. Al-Wahaibi, A. Al-Ajmi, A. Abubakar, Experimental Study of Drag Reduction of Polymer-Polymer Mixtures in Horizontal Dispersed Oil–Water Flow, Experimental Thermal and Fluid Science (2017), doi: http://dx.doi.org/10.1016/j.expthermflusci.2017.01.006 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.