1. ANP. Brazilian statistical yearbook of petroleum, natural gas and biofuels. 2013.
2. Hasan SA, Ghannam MT, Esmail N. Heavy crude oil viscosity reduction and rheology for pipeline transportation. Fuel. 2010;89:1095–100.
3. Brown LD. Flow Assurance: Aπ3 discipline. OTC 14010, 2002.
4. Martinez-Palou R, Mosqueira ML, Zapata-Rendon B, Mar-Juarez E, Bernal-Huicochea C, Clavel-Lopez JC, Aburto J. Transportation of heavy and extra-heavy crude oil by pipeline—a review. J Petrol Sci Eng. 2010. doi: 10.1016/j.petrol.2010.11.020 .
5. Mothé MG, Carvalho CHM, Jossic L, Mothé CG. Rheological behavior of biopolymers on light and heavy crude oils. Int J Rheol. 2013;01:41–3.