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Transient fluid flow in the Binbei district of the Songliao Basin, China: Evidence from apatite fission track thermochronology
  • ISSN号:1000-7849
  • 期刊名称:《地质科技情报》
  • 时间:0
  • 分类:P618.13[天文地球—矿床学;天文地球—地质学] TH133.3[机械工程—机械制造及自动化]
  • 作者机构:[1]State Key Laboratory for Petroleum Resource and Prospecting, China University of Petroleum, Beijing 102249, China, [2]College of Geosciences, China University of Petroleum, Beijing 102249, China, [3]Department of Earth & Oceanic Sciences, University of Waikato, Hamilton 3105, New Zealand, [4]Prospecting and Exploration Institute of Daqing Oil Field, Heilongjiang 163458, China
  • 相关基金:The authors are grateful to the Daqing Oilfield Company, CNPC, for supporting the field work and providing the original geologic data. The samples were prepared and analyzed under the instruction of Prof. Yuan Wanming from China University of Geosciences. Valuable suggestions from two anonymous reviewers are greatly appreciated. This work was supported by the National Natural Science Foundation of China (Grant Nos. 40872097 and 41272161) and the Major National Science & Technology Program (Grant Nos. 2011ZX05006-005 and 2011ZX05006-006). The field trip is partly funded by the State Key Laboratory for Petroleum Resource and Prospecting (Grant No. KYJJ2012-01-12).
中文摘要:

Songliao 盆以 Daqing 油矿著名,在中国最大。然而,没有经济烃水库在东北 Binbei 区域被发现了。它的热历史,为烃产生和移植很重要,与磷灰石分裂轨道被学习(在船尾) thermochronology。有迟了的白垩纪(10873 妈) 的 depositional 年龄的样品被分析。在船尾,从水库的样品的年龄摇(depositional 年龄 > 76.1 妈) 在迟了的白垩纪之间的秋天(72 ? 湅楰杮匠条愠摮瀠楯瑮摥琠?? 敮 ? 楤敲瑣潩 ? 潦 ? 桴 ? 票牤 ' 夷典?硥汰牯瑡潩 ?湩琠敨猠畴祤愠敲 a

英文摘要:

The Songliao Basin is famous for the Daqing Oilfield, the biggest in China. However, no economic hydrocarbon reservoir has been found in the northeastern Binbei district. Its thermal history, which is of great importance for hydrocarbon generation and migration, is studied with apatite fission track (AFT) thermochronology. Samples with depositional ages of the late Cretaceous (-108-73 Ma) are analyzed. The AFT ages of the samples from reservoir rock (depositional age 〉 76.1 Ma) fall between the late Cretaceous (724-5 Ma) and the early Eocene (414-3 Ma) period, indicating their total annealing after deposition. In contrast, two samples from the main seals of the Qingshankou (depositional age 〉 89.3 Ma) and the Nenjiang Formation (depositional age 〉 73.0 Ma) are not annealed or partially annealed (AFT ages of 974-9 Ma and 704-4 Ma, respectively). Because the maximum burial temperature (〈90 ℃) evidenced by low vitrinite reflectance (Ro〈0.7) is not high enough to account for the AFT total annealing (110-120 ℃), the transient thermal effect arising from the syntectonic fluid flow between the late Cretaceous and the early Eocene is proposed. Transient thermal effects from fluid flow explains the indicated temperature discrepancies between the AFT thermometer and the Ro thermometer because the transient thermal effect from the fluid flow with a temperature high enough (110-120 ℃) to anneal the AFT thermometer does not last long enough (104-105 yrs.) for an enhancement of the Ro (minimum 106- 107 yrs. under the same temperature). This indicates that dating thermal effect from fluid flow might be a new means to reconstruct the tectonic history. It also answers why the samples from the main seals are not annealed because the seals will prohibit fluid flow and supply good thermal insulation. The large-scale fluid flow in the Binbei district calls for a new idea to direct the hydrocarbon exploration.

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期刊信息
  • 《地质科技情报》
  • 北大核心期刊(2011版)
  • 主管单位:教育部
  • 主办单位:中国地质大学(武汉)
  • 主编:姚书振
  • 地址:湖北武汉市鲁磨路388号中国地质大学
  • 邮编:430074
  • 邮箱:kjqb@cug.edu.cn
  • 电话:027-67885048
  • 国际标准刊号:ISSN:1000-7849
  • 国内统一刊号:ISSN:42-1240/P
  • 邮发代号:38-130
  • 获奖情况:
  • 湖北省优秀期刊(各届,共4届)
  • 国内外数据库收录:
  • 俄罗斯文摘杂志,美国化学文摘(网络版),荷兰文摘与引文数据库,美国地质文献预评数据库,中国中国科技核心期刊,中国北大核心期刊(2004版),中国北大核心期刊(2008版),中国北大核心期刊(2011版),中国北大核心期刊(2014版),英国英国皇家化学学会文摘,中国北大核心期刊(2000版)
  • 被引量:15734