Lithologic Reservoirs ›› 2009, Vol. 21 ›› Issue (4): 22-27.doi: 10.3969/j.issn.1673-8926.2009.04.004

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Reservoir accumulation conditions and patterns of buried hill in Erlian Basin

JIANG Shuanqi， CHEN Yanjun， ZHAO Zhigang， GAO Shuang， LI Hongen， LI Xiaohong   

  1. Research Institute of Exploration and Development， Huabei Oilfield Company， Renqiu 062552， China
  • Online:2009-12-16 Published:2009-12-16

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Abstract:

There are some features of shallowbury, high production, fine benefit for buried-hill reservoirs. The article analyses the geology of buried-hill reservoirs in Erlian Basin and summarizes five reservoir types. The weathering crust reservoir of carbonate rocks in Carboniferous is the representative. The article indicates that the main system of hydrocarbon migration of buried-hill is fault, its reservoir physical properties are mainly controlled by fault and weathering eluviations. This study provides the guidance to exploration of Erlian Basin and other buried hill reservoirs of similar geologic condition.

Key words: frequency information, carbonate reef flat reservoir, hydrocarbon potential prediction, low frequency shadow, frequency attenuation gradient

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[1] CAI Hanpeng，HE Zhenhua，HUANG Deji. Application of frequency information to the prediction of hydrocarbon potential in carbonate reef flat reservoirs [J]. Lithologic Reservoirs, 2008, 20(4): 113-117.
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