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Article Navigation >  PETROLEUM GEOLOGY & EXPERIMENT  > 2016  >  38(1): 32-39
Niu Zicheng, Liu Guangdi, Cao Zhe, Wang Peng, Chang Junhe, Zhang Kaidi. Reservoir characteristics and hydrocarbon accumulation in Chagan Sag, Yingen-Ejinaqi Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2016, 38(1): 32-39. doi: 10.11781/sysydz201601032
Citation: Niu Zicheng, Liu Guangdi, Cao Zhe, Wang Peng, Chang Junhe, Zhang Kaidi. Reservoir characteristics and hydrocarbon accumulation in Chagan Sag, Yingen-Ejinaqi Basin[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2016, 38(1): 32-39. doi: 10.11781/sysydz201601032
shu

Reservoir characteristics and hydrocarbon accumulation in Chagan Sag, Yingen-Ejinaqi Basin

doi: 10.11781/sysydz201601032
  • 1.

    College of Geosciences, China University of Petroleum, Beijing 102249, China

  • 2. State Key Laboratory of Petroleum Resource and Prospecting, China University of Petroleum, Beijing 102249, China

  • 3. Exploration and Development Research Institute, SINOPEC Zhongyuan Oilfield Branch Company, Puyang, Henan 457001, China

  • Received Date: 2014-12-25
  • Rev Recd Date: 2015-11-24
  • Publish Date: 2016-01-28
    Abstract
  • The Chagan Sag is an important hydrocarbon exploration area in the Yingen-Ejinaqi Basin. Oil has been discovered in multiple formations including the Bayingebi, Suhongtu and Yingen formations in the Lower Cretaceous. Reservoirs were found mainly in the Wuliji and the central structural belts. Hydrocarbons generated from source kitchens migrated for a short-distance and accumulated in surrounding traps. Hydrocarbon generation, charging and accumulation time analysis showed that accumulation can be divided into three stages:the second member of Suhongtu Formation, the Yingen Formation and the Neogene. Different stages of hydrocarbon accumulation resulted in various physical properties, maturities and biomarkers of crude oils.

     

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