Analysis of the reliability of hoisting units at well-workover operation

Authors: S.A. Savin, M.M. Ivankiv, S.G. Schergin (Surgutneftegaz OAO), A.S. Kuznetsov (Tyumen State Oil and Gas University)
The causes of well-workover crews downtimes are given, and also the causes of failures of hoisting units, used at wellworkover carrying out, are analyzed. The obtained data can be used for updating the standards of operational capability of hoisting units, as well as for the formation of reusable components and mechanisms for their repair.

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