© SGEM2018. Heavy crudes and natural bitumen might present one of the accessible energy resources for the period of time necessary for the adoption of novel energy technologies of the future. Their development is characterized ...

© 2015 Akadémiai Kiadó, Budapest, Hungary. Asphaltenes of four Russian and Kyrgyzstan crude oils were investigated with calorimetry, gas chromatography and X-ray diffraction analysis. It was established that asphaltenes ...