Abstract: Based on electri-chemical survey technique, wear experimental method
and the improvement of tester and experimental procedure, this paper pre-
sents a quantitative analysis method of abrasive-corrosive wear
by measu-ring and wear corrosion simultaneously.The results from a number of tests show that there exists some inter-
action of abrasive and corrosive in various media. The total wear of
material is not a linear sum but an increment produced.The increment
resulted from abrasive-corrosive interaction in drilling fluid amounts to
about 20% of the total wear, The increment for alkaline medium is about
5%，for salt medium is about 12%，and for acid medium with PH 5 is
as high as 80%.In such a case, the wear resistance of high-chromium cast
iron can even not be qualfied for such drilling condition as HZS formation,
Therefore, the development of ceramic liner is of practical significance,

Key words: wear of material Corrosive Mud pump Liner