Test Research on Protection of Root Rocks of the Bank Using Iron Wire Net in the Lower Reaches of Yellow River;

The deposits of mouth bar and lakeshore bar are found at the middle oil-bearing assemblage (Qingshankou and Yaojia formations) in southern and western depositional systems, Songliao basin, characterized by large thickness and wide extension.

Dongying Formation in Shangdian oilfield belongs to lacustrine delta; it is characterized not only with the sedimentary features of river - controlled delta but also the particularity of developed shoreland bar and beach sand.

Stability analysis on ancient landslide of reservoir bank near dam;