The Iraqi Journal of Oil and Gas Research (IJOGR) allows authors to deposit pre-print in an institutional repository and non-commercial subject-based repositories or to publish it on Author''s personal website (including social networking sites, such as ResearchGate,, etc.) and/or departmental website, at any time after acceptance for publication Full bibliographic information (authors, article title, journal title, volume, issue, pages) about the original publication must be provided and a link must be made to the article''s DOI.