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Article Navigation >  PETROLEUM GEOLOGY & EXPERIMENT  > 2005  >  27(3): 288-292
Ma Anlai, Zhang Shuichang, Zhang Dajiang, Jin Zhijun, Chen Zhilin. RUTHENIUM-IONS-CATALYZED OXIDATION OF AN ASPHALTENE OF A BIODGRADED OIL FROM CAOQIAO OIILFIELD, DONGYING DEPRESSION, BOHAIWAN BASIN-THE DISTRIBUTION OF BIOMARKERS AND THE GEOLOGICAL SIGNIFICANCE[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2005, 27(3): 288-292. doi: 10.11781/sysydz200503288
Citation: Ma Anlai, Zhang Shuichang, Zhang Dajiang, Jin Zhijun, Chen Zhilin. RUTHENIUM-IONS-CATALYZED OXIDATION OF AN ASPHALTENE OF A BIODGRADED OIL FROM CAOQIAO OIILFIELD, DONGYING DEPRESSION, BOHAIWAN BASIN-THE DISTRIBUTION OF BIOMARKERS AND THE GEOLOGICAL SIGNIFICANCE[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2005, 27(3): 288-292. doi: 10.11781/sysydz200503288
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RUTHENIUM-IONS-CATALYZED OXIDATION OF AN ASPHALTENE OF A BIODGRADED OIL FROM CAOQIAO OIILFIELD, DONGYING DEPRESSION, BOHAIWAN BASIN-THE DISTRIBUTION OF BIOMARKERS AND THE GEOLOGICAL SIGNIFICANCE

doi: 10.11781/sysydz200503288
  • 1.

    Research Institute of Petroleum Exploration and Production, SINOPEC, Beijing 100083, China

  • 2. China University of Petroleum, Beijing 102200, China

  • 3. Research Institute of Petroleum Exploration and Development, PetroChina, Beijing 100083, China

  • 4. Research Institute of Geological Sciences, Shengli Oilfield, SINOPEC, Dongying, Shandong 257015, China

  • Received Date: 2004-02-27
  • Rev Recd Date: 2005-04-27
  • Publish Date: 2005-05-25
    Abstract
  • The asphaltene of a biodegraded oil from Caoqiao oilfield,Dongying depression,Bohaiwan Basin has been investigated by ruthenium-ions-catalyzed oxidation technique (RICO).The products of asphaltene RICO included n-alkanoic acids,dialkanoic acids,tricyclic terpernoid acids,hopanoic acids,gammacerane carboxylic acids,pregnanoic acids,sterane carboxylic acids and so on.The biomarkers were bounded on the asphaltene with specific carbon position respectively.The high ratios of gammacerane carboxylic acids to C30 hopanoic carboxylic acids and a complete series of 4-methyl,4,4-dimethyl steranoic acids indicated that the oil is a mixing oil originated from Es4 and Es3 source rock.The low isomerization of the biomarker acids showed that the maturity of the oil is low.Ruthenium-ions-catalyzed oxidation of the asphaltene provided a new pathway for the oil-oil correlation and oil-source correlation of heavily biodegraded oil.

     

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