1. Maini, B.B.: Foamy Oil flow in heavy oil production. J. Canad. Petrol, Technol. 35(6), 21–24 (1996)
2. Cengiz, S., Carlon, R.: A Study of Heavy Oil Solution Gas Drive for Hamaca Field: Depletion Studies and Interpretations. In: Paper SPE 86967 presented at the SPE International Thermal Operations and Heavy Oil Symposium and Western Regional Meeting held in Bakersfield, California, U.S.A., 16–18 March (2004)
3. Douglas J.R., Belkis, F.: Thermodynamic characterization of a PVT of foamy oil. In: Paper SPE 69724 presented at the SPE International Thermal Operations and Heavy Oil Symposium held in Porlamar, Margarita Island, Venezuela, 12–14 March (2001)
4. Wu, Y., Li, X.: Experimental study on the technical feasibility of secondary foamy oil. In: Paper WHOC16–148 presented at the 8th World Heavy Oil Congress held in Calgary, Canada, 12–14 Oct (2016)
5. Li, X., Wu, Y., Shi, X,, Yang, Z.: New approach to enhance extra-heavy oil recovery through recreation of foamy oil behavior. In: Paper IFEDC20194648 presented at the International Field Exploration and Development Conference held in Xi’an, China, 16–18 Oct (2019)