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Article Navigation >  PETROLEUM GEOLOGY & EXPERIMENT  > 2007  >  29(2): 116-119
Cheng Tongjin, Li Guangzhi, Chen Yinjie. NEW EXTRACTION TECHNIQUE OF ADSORPTION HYDROCARBON GAS AND ITS ROLE IN SURFACE OIL AND GAS GEOCHEMICAL EXPLORATION[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2007, 29(2): 116-119. doi: 10.11781/sysydz200702116
Citation: Cheng Tongjin, Li Guangzhi, Chen Yinjie. NEW EXTRACTION TECHNIQUE OF ADSORPTION HYDROCARBON GAS AND ITS ROLE IN SURFACE OIL AND GAS GEOCHEMICAL EXPLORATION[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2007, 29(2): 116-119. doi: 10.11781/sysydz200702116
shu

NEW EXTRACTION TECHNIQUE OF ADSORPTION HYDROCARBON GAS AND ITS ROLE IN SURFACE OIL AND GAS GEOCHEMICAL EXPLORATION

doi: 10.11781/sysydz200702116
  • 1.

    Wuxi Research Institute of Petroleum Geology, SINOPEC, Wuxi, Jiangsu 214151, China

  • 2. Hefei Research Institute of Petroleum Geochemical Exploration, SINOPEC, Hefei, Anhui 230022, China

  • Received Date: 2006-12-06
  • Rev Recd Date: 2007-02-09
  • Publish Date: 2007-03-28
    Abstract
  • A degassing apparatus has been developed based on vertical hydrocarbon migration theory and material adsorption principle,thus a new extraction and detection method of adsorption hydrocarbon gas has been established.The apparatus is scientifically structured and easy to operate.It is suitable to be used in in situ hydrocarbon analysis in the filed.The technical elements of this detection method ensure that the adsorption hydrocarbon gas can be degassed completely,so that the full hydrocarbon components can be detected by means of this method.It is regarded that the hydrocarbon gas extracted by acid extraction method,which is commonly used in the current oil and gas geochemical exploration practices,can not be defined as "adsorption hydrocarbon gas" because of the basic principle and extraction process of this method.Therefore,it is often difficult to distinguish anomalies of reservoir-sourced acid extraction hydrocarbon from those of in situ inherent hydrocarbon.The uncertainty of hydrocarbon sources influences the application effect of acid-extraction method.The newly developed adsorption method of hydrocarbon,with its ability to acquire the dynamic information of a given oil and gas system,can remedy the insufficiency of the commonly used hydrocarbon detecting method,and improve the effect of oil and gas geochemical exploration.

     

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