According to seismic, well logging and production data, the relationship between moniliform seismic-facies Ordovician carbonate reservoirs and efficient wells is studied in the west of Tazhong Uplift, Tarim Basin. It is proved that carbonate reservoirs mostly develop in those strong seismic-facies beads that is characterized by the basic factors:(1) peak to trough amplitude index more than 17000, (2) developing associated faults, (3) in relatively high locations of fractured-vuggy system, and (4) the well trajectory of target zone at the tops of reservoirs. These are the important pre-requisites for keeping long period of high and stable yield.