Effects of microscopic pore structure heterogeneity on the distribution and morphology of remaining oil
作者: Junjian LIYang LIUYajun GAOBaoyang CHENGFanle MENGHuaimin XU
作者单位: 1State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum, Beijing 102249, China
2CNOOC Research Institute Co. Ltd., Beijing 100028, China
刊名: Petroleum Exploration and Development Online, 2018, Vol.45 (6), pp.1112-1122
来源数据库: Elsevier Journal
DOI: 10.1016/S1876-3804(18)30114-9
关键词: SandstoneWaterfloodingCT scanImage processingMicroscopic pore structureReservoir heterogeneityRemaining oil distribution
原始语种摘要: Abstract(#br)Waterflooding experiments were performed using Micro-CT on four cores of different pore structures from Donghe sandstone reservoirs in the Tarim Basin. The water, oil and grains were accurately separated by the advanced image processing technology, the pore network model was established, and parameters such as the number of throats and the throat size distribution were calculated to characterize the microscopic heterogeneity of pore structure, the flow of oil phase during displacement, and the morphology and distribution of remaining oil after displacement. The cores with the same macroscopic porosity-permeability have great differences in microscopic heterogeneity of pore structure. Both macro porosity-permeability and micro heterogeneity of pore structure have an influence...
全文获取路径: Elsevier  (合作)

  • remaining 剩余
  • heterogeneity 不均匀性
  • distribution 分布
  • morphology 形态学
  • structure 构造
  • small 小的
  • microscopic 微观的
  • established 确定
  • processing 加工
  • porosity 孔隙率