|Article # 12_2013|
|17 p.||Petukhov A.V., Vasquez Cardenas L.C., Nazarov A.D.|
|Fields of Samara region - study of rheological properties of high-viscosity and waxy oil|
|The development of heavy high-viscosity oil fields is becoming urgent due to the steady decline of active reserves of light oil. The results of experiments, aimed at determination of rheological properties of high-viscosity and waxy oils from fields of Samara region are presented. It was found that all studied samples of heavy oils from Borovskoe, Buzbashskoe and Perukhnovskoe fields exhibits thixotropic properties; and the intensity of these properties depends mainly on the temperature. With increasing temperature, there is a sharp decrease in oil viscosity due to the destruction of complex spatial structure of coagulation-crystallization type in the oils from Borovskoe, Buzbashskoe and Perukhnovskoe oil fields. The results of provided research substantiate and propose the implementation of effective integrated technology of enhanced oil recovery into the operation of these fields. It is shown that the structure of coagulation and coagulation-crystallization types can form in oils, the destruction of which requires considerably more energy input. Therefore, the application together with the thermal effects of dispersants and solvents will significantly improve the development efficiency of these fields.
Key words: heavy high-viscosity oil, heavy high viscosity oil properties, enhanced oil recovery, rheotest, viscosity, Samara region fields.
|article citation||Roshchin P.V., Petukhov A.V., Vasquez Cardenas L.C., Nazarov A.D., Khromykh L.N Issledovanie reologicheskikh svoystv vysokovyazkikh i vysokoparafinistykh neftey mestorozhdeniy Samarskoy oblasti [Fields of Samara region - study of rheological properties of high-viscosity and waxy oil]. Neftegazovaya Geologiya. Teoriya I Praktika, 2013, vol. 8, no. 1, available at: http://www.ngtp.ru/rub/9/12_2013.pdf|