The asphaltene of a biodegraded oil from Caoqiao oilfield, Dongying depression, Bohaiwan Basin has been investigated by ruthenium-ions-catalyzed oxidation technique (RICO).

• 运用钌离子催化氧化技术(RICO)研究了渤海湾盆地东营凹陷草桥油田生物降解原油沥青质。