METHOD OF CLEANING AND DEHYDRATING SCREENING RESIDUAL

申请公布号：JPS5469251(A)

申请号：JP19770137064

申请日期：1977.11.14

申请公布日期：1979.06.04

申请人：

HITACHI KIDEN KOGYO KK

发明人：MUTOO EIICHI

分类号：C02F11/12

主分类号：C02F11/12

DETERMINATION AND CONTROL OF WELLBORE FLUID LEVEL, OUTPUT FLOW, AND DESIRED PUMP OPERATING SPEED, USING A CONTROL SYSTEM FOR A CENTRIFUGAL PUMP DISPOSED WITHIN THE WELLBORE

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