GENERATION AND EVOLUTION MODEL OF BIOGENIC GAS

doi:10.7623/syxb199703005

Editorial office of ACTA PETROLEI SINICA ›› 1997, Vol. 18 ›› Issue (3): 31-36.DOI: 10.7623/syxb199703005

• Petroleum Exploration • Previous Articles Next Articles

GENERATION AND EVOLUTION MODEL OF BIOGENIC GAS

Guan Deshi¹, Qi Houfa¹, Qian Yibo², Zhang Hui², Zhang Xiang³, Huang Baojia⁴

1. Scientific Research Institute of Petroleum Exploration and Development, Beijing;
2. Chengdu Institute of Marsh Gas;
3. Qinghai Petroleum Administration;
4. Research Institute of Petroleum Exploratin and Development, WPC, Nanhai

Received:1996-02-27 Online:1997-07-25 Published:2013-07-08

生物气的生成演化模式

关德师¹, 戚厚发¹, 钱贻伯², 张辉², 张祥³, 黄保家⁴

1. 石油勘探开发科学研究院北京;
2. 农业部成都沼气科学研究所;
3. 青海石油管理局石油勘探开发研究院;
4. 南海西部石油公司勘探开发科学研究院

作者简介:关德师,1983年毕业于西安矿业学院.地质系煤田地质及勘探专业.现从事石油与天然气地质研究工作,高级工程师.通讯处:北京市910信箱邮政编码:100083

Abstract

Abstract: Biochemical process has the characteristics of zoning,which can be divided into aerobiotic belt,sulfate reduced belt and carbonate reduced belt(methane produced belt).It is difficult to divide them belt by belt.Every belt has a dominant bacteria population.A bacteria kind and its activity is determined by geological condition and nutrition type.The producing rate of biogenic gas gradually becomes high from small with the rising of temperature,but small again when it reaches a peak value which is the first hydrocarbon generating peak appeared in the evolutionary process of organic matter.The producity range of biogenic gas should be 40-100m 3 every ton organic matter.The gas generated belt of biogenic gas is in the range from 80 to 85℃.The major gas generated belt from 25 to 65℃.

Key words: biogenic gas, gas-generated model, gas-generated belt, major gas-generating belt

摘要： 生物化学作用具有分带性,可分为好氧带、硫酸盐还原带和碳酸盐还原带(产甲烷带),带与带之间有时并不是可以截然分开的,各带中具有优势的细菌种群,地质条件及营养类型决定细菌的种类及其活性.生物气的产率随温度升高由小到大,达到一个峰值后又变小,这是有机质演化过程中出现的第一个生烃高峰;生物气产率范围值应为40～100m³/t有机质;生物气的成气带在温度小于80～85℃范围内,主生气带在25～65℃之间.

关键词: 生物气, 成气模式, 成气带, 主生气带

Guan Deshi, Qi Houfa, Qian Yibo, Zhang Hui, Zhang Xiang, Huang Baojia. GENERATION AND EVOLUTION MODEL OF BIOGENIC GAS[J]. Editorial office of ACTA PETROLEI SINICA, 1997, 18(3): 31-36.

关德师, 戚厚发, 钱贻伯, 张辉, 张祥, 黄保家. 生物气的生成演化模式[J]. 石油学报, 1997, 18(3): 31-36.

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GENERATION AND EVOLUTION MODEL OF BIOGENIC GAS

生物气的生成演化模式

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