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Article Navigation >  PETROLEUM GEOLOGY & EXPERIMENT  > 2002  >  24(6): 512-516
LIU Guang-xiang, TAO Jing-yuan, PAN Wen-lei, LÜ Jun-xiang. GENETIC TYPES OF THE NATURAL GAS IN THE NORTHEAST AND THE EAST OF SICHUAN BASIN[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2002, 24(6): 512-516. doi: 10.11781/sysydz200206512
Citation: LIU Guang-xiang, TAO Jing-yuan, PAN Wen-lei, LÜ Jun-xiang. GENETIC TYPES OF THE NATURAL GAS IN THE NORTHEAST AND THE EAST OF SICHUAN BASIN[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2002, 24(6): 512-516. doi: 10.11781/sysydz200206512
shu

GENETIC TYPES OF THE NATURAL GAS IN THE NORTHEAST AND THE EAST OF SICHUAN BASIN

doi: 10.11781/sysydz200206512
  • 1.

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

  • 2. West east lake TV University, Wuhan, Hubei 430040, China

  • Received Date: 2001-12-25
  • Rev Recd Date: 2002-08-20
  • Publish Date: 2002-11-25
    Abstract
  • Based on study of the component and its carbon isotope of natural gas samples from the Northeast and the East of Sichuan Basin,the genetic types of the natural gas in different regions are different.Natural gas in the Northeast was mainly derived from the over matured source rocks with type Ⅱ-Ⅲ1 kerogen;besides,it is supposed that type Ⅱ-Ⅲ1 organic matter makes more contribution than that of type Ⅰ1-Ⅰ2 type kerogen in this region.However,natural gas samples from Jiannan gas field(Upper Permian and Lower Triassic)showed that they were mainly generated by over matured source rocks with kerogen typesⅠ1-Ⅰ2 and part of gas showed characteristic of sapropelinite and humic organic matter origin.Furthermore,natural gas in Carboniferous pool was from the secondary cracking of oil derived from Silurian source rocks.

     

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