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目前油田使用的分层注水工艺管柱种类很多,有空心分注工艺管柱、液力投捞斜井分注工艺管柱、同心集成分层注水工艺管柱、偏心分注工艺管柱、旋压分注工艺管柱、桥式偏心分注工艺管柱、恒流量分注工艺管柱和压控开关分注工艺管柱。
At present, there are many kinds of stratified water injection process columns used in oilfields, such as hollow dispensing process column, hydraulic dumping inclined shaft dispensing process column, concentric integrated stratified filling process column, eccentric dispensing process column, spin Pressure dispensing process column, the bridge eccentric dispensing process column, constant flow dispensing process column and pressure control switch dispensing process column.