Ganat, T. and Ridha, S. and Hrairi, M. and Arisa, J. and Gholami, R. (2019) Correction to: Experimental investigation of high-viscosity oil�water flow in vertical pipes: flow patterns and pressure gradient (Journal of Petroleum Exploration and Production Technology, (2019), 9, 4, (2911-2918), 10.1007/s13202-019-0677-y). Journal of Petroleum Exploration and Production Technology, 9 (4). p. 2919. ISSN 21900558