Experimental Study on Wettability of Xinjiang Oilfield Crude Oil on Two Kinds of Non-Metallic PipesYan Wu, Yu Li, Xinjun Gu, Ziyan Wen, Zhian Deng and Kai YiITM Web Conf., 26 (2019) 03009DOI: https://doi.org/10.1051/itmconf/20192603009