9Burke N E, Hobbs R E, Kashou S F. Measurement and modeling of asphahene precipitation [ J ]. Journal of Petroleum Technology, 1990(11) :1440-1447.
10Sivaraman A. Acoustic resonance:an emerging technology to identify wax and asphaltene precipitation onset in reservoir fluids[ A]. 48th Annual Technical of the Petroleum Society in Calgary, Canada, 1997.