API QUTE case studies
API QUTE · Put your knowledge to work in context.
API QUTE is listed as an API Individual Certification Program (ICP) within the American Petroleum Institute's Global Industry Services portfolio. That portfolio is described by API as driving "safety and efficiency within the oil and gas industry through standards, certifications, assessments, training and more," and it sits alongside API's other certification, assessment, and training offerings. The API QUTE case studies are 5 cases and about 1,916 words.
1Scope Decision for a Pressure Vessel in a Mixed-Service Unit
An owner operates a hydrocracking unit with a 4.2 m diameter, 18 m tall carbon-steel reactor that has been in service 22 years. During a turnaround the inspector finds a 40 mm long, 3 mm deep surface-breaking crack in a longitudinal weld on the shell.
462 words, about 2 min2Certification Body Dispute Over an Inspector's Qualification
A contract inspection company assigns an inspector to perform API 510 inspections at a refinery. The inspector holds a valid API 510 certification but has not performed an in-service inspection in 14 months and has never inspected a coke drum.
367 words, about 2 min3Repair Procedure Approval Under Time Pressure
A tank maintenance crew discovers a 300 mm long, full-thickness crack in the shell-to-bottom weld of an aboveground storage tank during an internal inspection. The tank is 30 m diameter, in gasoline service, and the owner wants it back in service in 5 days because of a supply commitment.
362 words, about 2 min4When a Standard's Edition Matters
An engineering firm designs a new pressure vessel for a client. The purchase order cites an API standard but does not specify an edition.
347 words, about 2 min5Deferring Inspection on a Corroding Line
A refinery has a carbon-steel process line in wet sour service. Corrosion rates from the last three inspection intervals were 0.15, 0.20, and 0.28 mm/yr, trending upward.
378 words, about 2 min