Author's Accepted Manuscript Comprehensive water-alternating-gas (WAG) injection study to evaluate the most effective method based on heavy oil recovery and asphaltene precipitation tests Yaser Ahmadi, Seyed Ehsan Eshraghi, Peyman Bahrami, Mahdi Hasanbeygi, Yousef Kazemza- deh, Atena Vahedian PII: S0920-4105(15)00194-1 DOI: http://dx.doi.org/10.1016/j.petrol.2015.05.003 Reference: PETROL3054 To appear in: Journal of Petroleum Science and Engineering Received date: 27 December 2014 Revised date: 3 April 2015 Accepted date: 8 May 2015 Cite this article as: Yaser Ahmadi, Seyed Ehsan Eshraghi, Peyman Bahrami, Mahdi Hasanbeygi, Yousef Kazemzadeh, Atena Vahedian, Comprehensive water-alternating-gas (WAG) injection study to evaluate the most effective method based on heavy oil recovery and asphaltene precipitation tests, Journal of Petroleum Science and Engineering, http://dx.doi.org/10.1016/j.petrol.2015.05.003 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 galley proof before it is published in its final citable 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. www.elsevier.com/locate/petrol