RETRACTED ARTICLE: Oil soluble polymers as a viscosity-reducing agent for super heavy oil

Statement of RetractionWe, the Editor and the Publisher of Petroleum Science and Technology, have retracted the following article:Li-Yan Pan, Guo-Qing Feng, Jin-cheng Mao & Hai-Bin Wang. “Oil soluble polymers as a viscosity-reducing agent for super heavy oil,” Petroleum Science and Technology, Volume 35, 2017, Issue 8, pages 747–753. doi:10.1080/10916466.2016.1273240We are now cognizant of the fact that the above article has substantial text-matching with the following article, to which no attribution was made:Jincheng Mao, Jiawei Liu, Haibin Wang, Xiaojiang Yang, Zhaoyang, Bo Yang & Jinzhou Zhago. “Novel terpolymers as viscosity reducing agent for Tahe super heavy oil,” RSC Advances, Volume 7, 2017, Issue 31, pages 19257–19261.It is therefore not deemed to be an original contribution. We note the breach of warranties made by the authors with respect to originality and provenance, and of our policy on publishing ethics and integrity. We note that we received, peer-reviewed, accepted, and published the article in good faith based on these warranties, and censure this action.We have been informed in our decision-making by our policy on publishing ethics and integrity and the COPE guidelines on retractions. The retracted article will remain online to maintain the scholarly record, but it will be digitally watermarked on each page as “Retracted”.