摘要

The differences of remaining oil distribution between two types of braided river are studied. WCNB braided river is mainly composed of the tongue-like bars and wide channels. The width ratios of wide channels and the tongue-like bars are relatively large. And the length ratio of the long axis and short axis of the tongue-like bars is large. The mud interlayers of the tongue-like bars aslant space downstream one after one. The distribution range and the angle of the mud interlayers of tongue-like bars are large.The NCWB braided river is characterized by the narrow braided channel and oval bars. The width ratios of narrow braided channels and oval bars are small. And the length ratio of the long axis and short axis of the oval bars are relatively small. The mud interlayers of the oval bars overlap space vertically one by one. The distribution range and the angle of mud interlayer of oval bars are small.

  • 出版日期2018-4
  • 单位中国石油天然气股份有限公司勘探开发研究院