Abstract: With the further exploration，the research on sedimentary facies of distributary channels becomes more and more important. The reservoirs of distributary-channels are of a special hydroearbon pool type．Due to their intense concealment and unique rotating conditions，the study on such reservoirs is very difficult．In this article，we made systematic research on the distributary-channel reservoirs for the second member of Shahejie Formation，eastern Dongying Depression，from the following aspects：sedimentation characteristies ，reservoir characteristies, the 1ogging characteristics，and 3D-seismic coherence analysis．Our study suggests that the sediments of distributary-channels in the eastern Dongying Depression are mainly composed of sand and silt with small amount of mud flasers．The sand and silt are usually wel1 sorted and rounded，and often contain large-scale tabular or trough cross-beddings，parallel 1aminations and masive beddings etc．The distributary-channels are lenticular，with flat-top and convex-bottom in their cross-sections．On the plan, they are fan-shaped with dipping limbs. During low lake level stages, the deposits of distributary-channels move lakeward；and during high lake level stages，hasinward. Such fluctuation of Lake level often leads to formation of distributary-charnnels’sediments largely under subaquatic condition．These reservoirs are mainly composed of cross-stratified diaras and pointbars, with monolayers ranging from 2m to 10m．The spontaneous potential(SP)curves well indlcating the logging characteristics consist of smoothing column，dentate column，dentate funnelshaped，dentate pendulum and smoothing ovum which represent five different positions of distributary-channels from the center to the margin respectively. Their seismic profiles are lenticular or hummocky，with poor continuity，middle-amplitude and oulapping-filling features．Compared with others，these reservoirs in distributary-channels are widespread，complex and thin in vertial direction for their swift wandering. Therefore，we should analyze the data in geology，1ogging，drilling and 3D-seismic materials integratedly to prognose the configuration and distribution of the distributary-channels．The discusion about the recognition methods of distributary-channels in eastern Dongying Depression in this paper is of significance for exploration and development of the subtle reservoirs.