曲流河沉积（meandering river deposit）又称蛇曲河沉积、高弯度河沉积。弯度指数2～13，坡降小，河床稳定，凸岸坝发育，滨河床沙坝不发育，宽深比小（<10）的河流的沉积。 曲流河沉积
研究区沉积相模式与经典的曲流河沉积模式极为相似。
The sedimentary model in study area is similar with classical meandering stream.
储集层主要由馆陶组辫状河沉积砂体和明化镇组曲流河沉积砂体组成；
The reservoir is mainly composed of the braided channel sedimentary sand in Guantao formation and meandering river sedimentary sand in Minghuazhen formation .
上侏罗统为断陷消亡期沉积，形成湿型扇—辫状河—曲流河沉积序列。
The fault subsidence lacustrine died out in late-Jurassic and damp type fan, braided stream and meander river sedimentary sequence was formed.
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