TAPS CORROSION-CONCLUSION INHIBITOR-INJECTION PROGRAM SHOWING EARLY PROMISE

Peter M. Ricca Alyeska Pipeline Service Co. Anchorage The treatment system implemented last year at TransAlaska Pipeline's pump stations has employed chemical inhibitors in a large-scale, corrosion-mitigation program. Ultrasonic inspection in 1988 revealed internal corrosion predominantly in low-velocity piping. There, emulsified water had precipitated out of the crude oil and supported microbial corrosion.