Reservoir characteristics of Archean magmatic rocks in Dongying Sag

  • LIU Hailei ,
  • DAI Junsheng ,
  • YIN He ,
  • JIA Kaifu
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  • 1. Southwest Petroleum University, Chengdu 610500, China; 2. Research Institute of Geologic Exploration and Development, Chuanqing Drilling Engineering Company Ltd., Chengdu 610051, China; 3. Research Institute of Exploration and Development, Bohai Oilfield, Tianjin Branch of CNOOC, Tianjin 300452, China; 4. Research Institute of Exploration and Development, Daqing Oilfield Company, Ltd., PetroChina, Daqing 163712, China)

Online published: 2011-08-20

Abstract

Based on core, rock slice, cast andmercury penetration data, the rock types, reservoir space types and reservoir properties of Archean magmatic rock reservoir in Dongying Sag are studied. It is considered that Archean magmatic rock reservoirs are mainly composed of brittle granide, dioritoid and dike rock, the reservoir spaces are mainly fractures, followed by dissolved pores and caverns, and the porosity and permeability both are low. So it belongs to pore-fractured reservoir with lowporosity and lowpermeability. The reservoir space ofmagmatic rock reservoir is mainly controlled by lithology, tectonic disruption and atmospheric fresh water leaching.

Cite this article

LIU Hailei , DAI Junsheng , YIN He , JIA Kaifu . Reservoir characteristics of Archean magmatic rocks in Dongying Sag[J]. Lithologic Reservoirs, 2011 , 23(4) : 48 -32 . DOI: 10.3969/j.issn.1673-8926.2011.04.009

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