She knelt by the heater’s transfer line. There it was—barely visible under a layer of coke, a series of small, sharp-edged grooves. Not the wide, smooth wash of sulfide corrosion. These were scalloped , just like the photo in API RP 571.
Marta opened the attached spreadsheet. It listed the usual suspects: thickness readings, hardness tests, and a few spot checks for creep in the heater tubes. She scrolled past the rows of standard checks, then paused. Her eyes landed on a small header: High-Temperature Naphthenic Acid Corrosion (NAP) — marked "Not Required." api rp 571 pdf
She taped a note above her desk: "The damage mechanism doesn't care about your schedule." She knelt by the heater’s transfer line
"Fine," Leo muttered. "I’ll update the scope. But you owe me." a series of small
She knelt by the heater’s transfer line. There it was—barely visible under a layer of coke, a series of small, sharp-edged grooves. Not the wide, smooth wash of sulfide corrosion. These were scalloped , just like the photo in API RP 571.
Marta opened the attached spreadsheet. It listed the usual suspects: thickness readings, hardness tests, and a few spot checks for creep in the heater tubes. She scrolled past the rows of standard checks, then paused. Her eyes landed on a small header: High-Temperature Naphthenic Acid Corrosion (NAP) — marked "Not Required."
She taped a note above her desk: "The damage mechanism doesn't care about your schedule."
"Fine," Leo muttered. "I’ll update the scope. But you owe me."