Accepted Manuscript A comprehensive empirical, analytical and tomographic investigation on rheology and formation damage behavior of a novel nano-modified invert emulsion drilling fluid Seyed Hasan Hajiabadi, Hamed Aghaei, Mina Kalateh-Aghamohammadi, Ali Sanati, Amin Kazemi-Beydokhti, Feridun Esmaeilzadeh PII: S0920-4105(19)30675-8 DOI: https://doi.org/10.1016/j.petrol.2019.106257 Article Number: 106257 Reference: PETROL 106257 To appear in: Journal of Petroleum Science and Engineering Received Date: 3 January 2019 Revised Date: 7 July 2019 Accepted Date: 8 July 2019 Please cite this article as: Hajiabadi, S.H., Aghaei, H., Kalateh-Aghamohammadi, M., Sanati, A., Kazemi-Beydokhti, A., Esmaeilzadeh, F., A comprehensive empirical, analytical and tomographic investigation on rheology and formation damage behavior of a novel nano-modified invert emulsion drilling fluid, Journal of Petroleum Science and Engineering (2019), doi: https://doi.org/10.1016/ j.petrol.2019.106257. 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.