SHAFT PREMATURE FAILURE ANALYSIS IN ELECTRICAL SUBMERSIBLE PUMP SYSTEM: A CASE STUDY FROM MUARA ENIM, SOUTH SUMATERA, INDONESIA

The shaft is a critical component in ESP. In many cases, dismantle analyses cannot identify definitive root cause for failure. Several hypotheses have been studied to explain This paper will review typical failure modes; more specifically, the power source and consequence of be discussed. An analysis premature used an electrical submersible pump (ESP) lifting oil has carried out. During root-cause analysis, mechanical components primary focus. Chemical microstructure characterization, fractography, hardness test were used. addition, running stress possibility condition (the possible broken approached using finite element analysis). It was concluded that material defects prime shafts'