新疆石油地质 ›› 1994, Vol. 15 ›› Issue (2): 142-146.

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正、异构烷烃在加水热解实验中的演化特征

陈传平, 梅博文, 贾发敬   

  1. 江汉石泊学院 湖北江陵 434102
  • 收稿日期:1994-01-22 出版日期:1994-06-01 发布日期:2021-01-19
  • 作者简介:研究生 石油地球化学

CHARACTERISTICS OF NORMAL AND ISOMERIC ALKANE EVOLUTION DURING HYDRO-PYROLYSIS EXPERIMENT

Chen Chuanping, Mei Bowen, Jia Fajing   

  1. Jianghan Petroieum Insiuuie, Jiangling Hubei 434102
  • Received:1994-01-22 Online:1994-06-01 Published:2021-01-19
  • About author:Fosigrauaie, Petroleum Geochernitstry

摘要: 塔里木盆地轮南地区三叠系低成熟生油岩干酪根进行加水热解后的产物中饱和烃分布参数与未热解生油岩相比,发生了较大变化:异构烷烃比值上升;加人蒙脱石的样品正构烷烃碳敷分布范围前移:引人注目的是,生油岩抽提物中的姥鳗烷优势热解后转变为植烷优势。

关键词: 生油岩, 加水热解, 正构烷烃, 异构烷烃, 姥植比

Abstract: Hydro-pyioiysis experiment was made with low mature source rock (Triassic) in Luranan area of Tarim basin. Results showed that greater changes occurred for its distribution parameters ot saturated hydrocarbon ollipared with that of originai source rock. The percentage of isoalkane increased in pyroiysed sampies, distribution range of carbonriumber of norrnai aikane moved forward for samples added with montmorilonite. Conspicuously, Prisane predominace in extracts of source rock was changed into that of phytane following pyrolysis.

Key words: Source tock, Hydro-pyrolysis, Normal alkane, Isoalkane, Pristane/phytane ratio