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Article Navigation >  PETROLEUM GEOLOGY & EXPERIMENT  > 2008  >  30(5): 532-536
Chen Zhechun, Tang Yuping, Cheng Tongjin, Jiang Tao, Huang Xin, Liu Xinhua. STUDY OF THE EFFECTIVE GEOCHEMICAL EXPLORATION METHODS AND INDICATORS USED IN GOBI AREAS[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2008, 30(5): 532-536. doi: 10.11781/sysydz200805532
Citation: Chen Zhechun, Tang Yuping, Cheng Tongjin, Jiang Tao, Huang Xin, Liu Xinhua. STUDY OF THE EFFECTIVE GEOCHEMICAL EXPLORATION METHODS AND INDICATORS USED IN GOBI AREAS[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2008, 30(5): 532-536. doi: 10.11781/sysydz200805532
shu

STUDY OF THE EFFECTIVE GEOCHEMICAL EXPLORATION METHODS AND INDICATORS USED IN GOBI AREAS

doi: 10.11781/sysydz200805532
  • 1.

    Wuxi Research Institute of Petroleum Geology, Research Institute of Petroleum Exploration and Production, SINOPEC, Wuxi, Jiangsu 214151, China

  • 2. Logging Company of Great Wall Drilling Engineering Branch, CNPC, Panjin, Liaoning 124010, China

  • Received Date: 2007-09-10
  • Rev Recd Date: 2008-08-25
  • Publish Date: 2008-09-28
    Abstract
  • An experimental study has been made by the different geochemical methods(heat-released hydrocarbon,physically absorbed gas,and wire-absorbed gas,etc) in the selected existing well(Well Chaican 1) area.The area selected for studying the geochemical methods,as well as the effective para-meters and indicators is a Gobi area in Chaiwobao,the Junggar Basin.The study of comparability and the effectiveness of the geochemical indicators in the known oil-and gas-well(Well Chaican 1) was made by the sampling collection techniques and sample testing techniques of the various geochemical methods.The results showed that the physically absorbed gas(or free gas) and the heat-released hydrocarbon could be used as the main geochemical methods in the selected Gobi area.Some indicators have halo anomaly patterns,consistent well with the existing oil and gas well(Well Chaican 1) area,such as physically absorbed gas C2+ and C4+5,and the acid-extraction C1.The ratio of the physically absorbed gas,eg.iC4/nC4,has a apical anomaly pattern,consistent well with the known oil and gas area.

     

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