Detection of water in petroleum inclusions and its implications

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• 作者：Jian Cao (1)
  Suping Yao (1)
  Wenxuan Hu (1)
  Yijie Zhang (2)
  Xulong Wang (3)
  Yueqian Zhang (3)
  Yong Tang (3)
  
• 关键词：water in petroleum inclusions ; forming mechanism of inclusions ; episodic migration and accumulation of hydrocarbons ; FTIR microspectroscopy ; Junggar Basin
• 刊名：Chinese Science Bulletin
• 出版年：2006
• 出版时间：June 2006
• 年：2006
• 卷：51
• 期：12
• 页码：1501-1507
• 全文大小：2834KB
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• 作者单位：Jian Cao (1)
  Suping Yao (1)
  Wenxuan Hu (1)
  Yijie Zhang (2)
  Xulong Wang (3)
  Yueqian Zhang (3)
  Yong Tang (3)
  
  1. State Key Laboratory for Mineral Deposit Research, Department of Earth Sciences, Nanjing University, Nanjing, 210093, China
  2. Research Institute of Exploration and Development, PetroChina, Beijing, 100083, China
  3. Research Institute of Exploration and Development, Xinjiang Oilfield Company, PetroChina, Karamay, 834000, China
  
• ISSN：1861-9541

文摘

FTIR spectra of inclusions sampled from fault-zone reservoirs of the northwestern Junggar Basin show that water, with different abundances, does exist in petroleum inclusions. It is thus implied that petroleum inclusions can seldom form without water. Different inclusions hosted in one single grain, and formed in one oil charging phase, have a largely varied ratio of water to oil and slightly changed CH3/CH2 ratio. This likely provides evidence for fault-related episodic migration and accumulation of hydrocarbons.