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柴达木盆地北缘地区构造应力场、流体势场对油气运聚的控制作用
  
关键词:tectonic stress field  fluid potential field  migration and accumulation of oil-gas
基金项目:中国石油青海油田公司勘探事业部科技项目《柴北缘地区构造应力场,流体势场对油气运聚的控制作用》(编号:2004/20)，中国地质调查局地调项目《西部地区主要沉积盆地形成演化及油气资源富集成藏规律综合研究》(编号:资(2006)036-01)，国家油气专项《柴达木盆地油气资源战略调查及评价》(编号:XQ-2004-01)
作者单位E-mail
王小凤 中国地质科学院地质力学研究所，北京，100081 wxf@cags.net.cn 
武红岭 中国地质科学院地质力学研究所，北京，100081  
马寅生 中国地质科学院地质力学研究所，北京，100081  
王连庆 中国地质科学院地质力学研究所，北京，100081  
张西娟 中国地质科学院地质力学研究所，北京，100081  
陈宣华 中国地质科学院地质力学研究所，北京，100081  
田晓娟 中国地质科学院地质力学研究所，北京，100081  
李会军 中国地质科学院地质力学研究所，北京，100081  
彭德华 中国石油青海油田公司，甘肃敦煌，736202  
汪立群 中国石油青海油田公司，甘肃敦煌，736202  
尹成明 中国石油青海油田公司，甘肃敦煌，736202  
刘云田 中国石油青海油田公司，甘肃敦煌，736202  
高荐 中国石油青海油田公司，甘肃敦煌，736202  
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摘要:
Tectonic Stress and Fluid Potential Fields and Their Controls over the Migration and Accumulation of Petroleum and Natural Gas in Northern Qaidam Basin
      On the basis of the fluid-solid coupling analysis, several numerical models were used to simulate the tectonic stress and fluid migration potential fields in northern Qaidam Basin. As a result, some migration and accumulation regularities of petroleum and natural gas in this area have been revealed: ①The main lower stress areas are controlled by regional NWW-striking tectonic belts. The sub-lower stress belts are distributed at the locations having relatively complex tectonics. They are mostly at intersecting positions between the NNE- or EW-striking faults and the NW- or NWW-striking faults. ②The NE- and EW-striking lower tectonic pressure belts tend to enlarge with depth. ③The areas with relatively low tectonic stress shown by arrows of fluxion vectors in various structural layers usually indicate places of accumulation of petroleum and natural gas.
WANG Xiao-feng,WU Hong-ling,MA Yin-sheng,WANG Lian-qing,ZHANG Xi-juan,CHENG Xuan-hua,TIAN Xiao-juan,LI Hui-jun,PENG De-hua,WANG Li-qun,YIN Cheng-ming,LIU Yun-tian,GAO Jian.2006.Tectonic Stress and Fluid Potential Fields and Their Controls over the Migration and Accumulation of Petroleum and Natural Gas in Northern Qaidam Basin[J].Acta Geoscientica Sinica,27(5):419-423.
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