Abstract

This paper examines the correlation between volumetric wear loss and the energy expended at the interface of nitrile rubber sliding on steel in the presence of drilling mud and abrasive sand. The measurement of energy expended at the material interface is investigated as an alternative for monitoring the extent of wear damage due to operating conditions. This is contrasted with running hours, as is typical of reciprocating mud pumps used in oil and gas drilling operations. It is found that increased deterioration and wear loss resulted from the combined effects of load and sand. The volumetric wear loss was found to increase at the rate of 16.8 per cent per 1 per cent sand and is specific to the type of sand used and the test configuration employed.

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