渤海湾盆地陈家庄油田陈22块微生物异常分布研究

杨帆; 沈忠民; 汤玉平; 许科伟; 顾磊

doi:10.11781/sysydz201701141

渤海湾盆地陈家庄油田陈22块微生物异常分布研究

doi: 10.11781/sysydz201701141

杨帆^1,2,
沈忠民^1, ,,
汤玉平²,
许科伟²,
顾磊²

1.
成都理工大学油气藏地质及开发工程国家重点实验室, 成都 610059
2. 中国石化石油勘探开发研究院无锡石油地质研究所, 江苏无锡 214126

基金项目: 国家自然科学基金“典型油气藏上方气态烃氧化微生物类群分布异常的深度解析”（41202241）资助。

详细信息

作者简介:
杨帆(1983-),男,硕士,工程师,从事油气地球化学及油气微生物勘探研究。E-mail:yangfan.syky@sinopec.com。

通讯作者:
沈忠民(1954-),男,教授,博士生导师,从事油气成藏与储层地质学研究。E-mail:szm313@cdut.edu.cn。

中图分类号: TE132.4
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出版历程
- 收稿日期: 2015-12-24
- 修回日期: 2016-11-30
- 刊出日期: 2017-01-28

Microbial anomaly distribution in Chen22 block, Chenjiazhuang oil field, Bohai Bay Basin

1.
State Key Laboratory of Oil-Gas Reservoirs Geology and Exploitation, Chengdu University of Technology, Chengdu, Sichuan 610059, China
2. Wuxi Research Institute of Petroleum Geology, SINOPEC, Wuxi, Jiangsu 214126, China

摘要

摘要: 为探索油气藏上方微生物异常分布，按照从线到面的研究思路，采集渤海湾盆地陈家庄油田陈22块油气藏上方土壤样品469个，采用MPN法检测出样品中油气指示微生物的数量并研究其分布特征。结果显示，在联井剖面上，甲烷氧化菌和烃氧化菌2种油气指示微生物异常区与对应油井位置有很高的吻合度，呈顶端异常，剖面南北两端具有明显的背景区，表明了2种油气指示微生物对油气藏烃类微渗漏的指示性是有效的。进一步对本区块油气微生物进行了面上精查，结合地质和钻井信息，解析了微生物异常与下覆油气藏分布的响应关系，结果表明地表土壤中油气微生物对下覆油气藏的分布有很好的指示作用，同时对钻井部署也有一定的参考价值。
- 甲烷氧化菌 /
- 烃氧化菌 /
- 热释烃 /
- 微生物勘探 /
- 陈家庄油田 /
- 渤海湾盆地
Abstract: We collected 469 soil samples above Chen22 block in Chenjiazhuang oil field in the Bohai Bay Basin in order to study the microbial anomaly distribution above oil reservoirs. Methane-oxidizing bacteria and hydrocarbon oxidizing bacteria in the soil samples were cultured, and the number of bacteria detected was counted by using the MPN method. There was a good alignment between the upper abnormalities of the two indicative microorganisms and the position of wells on the connecting-well profile which had an obvious background area on the north and south ends. It showed that the two kinds of microorganism were effective indicators for the hydrocarbon microseepage of reservoirs. Combined with geological and drilling information, the response between the abnormal distribution of microorganisms and the underlying reservoir was researched by an accurate survey on the area. The distribution of underground reservoirs could be predicted by detecting microbiological anomalies, which also had a certain guiding significance to well drilling.
- methane-oxidizing bacteria /
- hydrocarbon-oxidizing bacteria /
- pyrolysis-desorbed hydrocarbon /
- microbial prospecting /
- Chenjiazhuang oil field /
- Bohai Bay Basin

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