新疆石油地质

新疆石油地质 ›› 2002, Vol. 23 ›› Issue (5): 380-381.

• 油气勘探 • 上一篇    下一篇

准噶尔盆地腹部、南缘温压场与油气成藏

曲江秀, 查明, 张卫海   

  1. 石油大学(华东)地球资源与信息学院,山东 东营 257061
  • 收稿日期:2002-03-05 出版日期:2002-10-01 发布日期:2020-08-11
  • 作者简介:曲江秀（1974-）,女,山东荣城人,在读博士研究生,现从事油气成藏与分布研究。联系电话：0546-8393483

The Temperature and Pressure Fields and Related Hydrocarbon Reservoirs in Southern Margin and Hinterland of Junggar Basin

QU Jiang-xiu, ZHA Ming, ZHANG Wei-hai   

  • Received:2002-03-05 Online:2002-10-01 Published:2020-08-11
  • About author:QU Jiang-xiu (1974-), Female, Doctor Candidate, Petroleum Geology, Institute of Earth Resources and Information, University of Petroleum (East China), Dongying, Shandong 257061, China

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摘要： 准噶尔盆地腹部和南缘普遍发育异常高压,但由于沉积及构造背景的差异,其成因也不尽相同,其中腹部以成岩作用和烃类生成作用为主控因素,南缘则以欠压实作用和构造抬升作用为主。区域地质构造控制了盆地的地温,而岩石物性、火山活动、断裂作用等仅对局部地温分布有着重要的影响。通过分析盆地温压场特征,认为异常温压抑制了有机质的热演化,在很大程度上控制着油气成藏与分布。

关键词: 准噶尔盆地, 异常压力, 压力系数, 温度分布, 油气成藏

Abstract: Although abnormal high pressure is widely developed in the center and the south of Junggar basin, theforming mechanisms are different due to the discrepancies in sedimentation and tectonics. In the central part, diagenesis and hydrocarbon generation are the key controlling factors. Correspondingly, the main influence elements in the south are under compaction and tectonic uplift. In addition,regional structure controls the distribution of temperature,but lithology, volcanic activity, rifting and suchlike only have important effect on local distribution of temperature. According to the analysis of pressure and temperature fields, it was shown that anomalous temperature and pressure restrain the thermal evolution of organic matters and control the forming and distribution of hydrocarbon.

Key words: Junggar basin, abnormal pressure, pressure coefficient, temperature distribution, reservoir formation

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