石油学报 ›› 1991, Vol. 12 ›› Issue (3): 7-16.DOI: 10.7623/syxb199103002

• 地质勘探 • 上一篇    下一篇

生物甲烷形成试验与生物气聚集的有利地质条件探讨

陈安定1, 刘桂霞1, 连莉文1, 钱贻伯2, 张辉2   

  1. 1. 长庆石油勘探局勘探开发研究院;
    2. 成都沼气科学研究所
  • 收稿日期:1989-12-11 出版日期:1991-07-25 发布日期:2013-07-08

AN EXPERIMENT ON THE FORMATION OF BIOGENIC METHANE AND A DISCUSSION OF THE FAVORABLE, GEOLOGIC CONDITIONS OF THE ACCUMULATION OF BIOGENIC NATURAL GAS

Chen Anding1, Liu Guixia1, Lian Liwen1, Qian Yibe2, Zhang Hui2   

  1. 1. Reseach Institute of Petroleum Exploration and Development, Changqing Petroleum Exploration Bureau;
    2. Research Institute on Marsh Gas, Chengdu
  • Received:1989-12-11 Online:1991-07-25 Published:2013-07-08

摘要: 为研究地质有机物成因的生物甲烷,我们从不同地区采集了若干泥炭、现代淤泥、岩心、褐煤和植物样品等进行生化发酵试验、厌氧菌调查和地球化学分析等.试验结果表明,柴达小盐地第四系残留有饥质生化甲烷的潜量最高,植物和淤泥有机质次之,泥炭和褐煤有机质最低.对比分析说明,原始生物甲烷潜量与生源构成及水溶性有机物比例有关,残留生物甲烷潜量则主要与那些在地表和浅埋时能够抑制有机质生化发酵一产甲烷作用所必需的特殊地质条件有关.

关键词: 生物成因气, 甲烷, 天然气成因, 有机质含量, 有机质演化, 样品分析, 实验室试验, 气源对比, 油气聚集

Abstract: In order to study the 6iogenic methane generated by subsurface orgonic matter,a series of biochemical fermenting test,investigation on anaerobic bacterium and the geochemical analysis etc.on some peat,nlud,core,brown coal and plant samples from different regicans have been carried out.Organic matters in quaternary sediments in Chaidanzu basin where a large amount of biogenic gas is accumulated has a high biogenie methane potential (BMP),a middle BMP in the plants,and in mud,and a low BMP in the peats and brown coals.The sdudies shown that:original BMP in all types of organic matter is correlated to the living things from wltich they are originatedrespectivlv and the ratio of water soluble organic matter in them,while for remaining BMP,it is related to the special geological environmentswhich inhibite the bioebemical fermenting and methane generatin of organic matters at surface or shallowly buried.