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2 cases · 2 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Product: Tubular Forging clear all

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Aspect of the external side of the nominal diameter 6 3/4" drilling tool, after cleaning for inspection. Several regions of corrosion where detected where the drilling mud was adhered and remained for a period a little longer than 1 month. This tool is a high strength steel, cold worked.
163
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ML00135 / May.2018
MIC of a Non Magnetic Drilling Tool
M - High Mn Austenitic SteelP - Tubular ForgingAp - O&G Well DrillingCd - Pitting Corrosion
Cm - Aspect Before AnalysisDf - General View
Longitudinal cracks in the surface of the pin, detected by dye check, after high pressure hydrostatic test.
657
VIEW
ML00110 / Jan.2018
Non Conformance in Spray and Fuse Pin
M - Low Alloy Medium Carbon QTP - Tubular ForgingAp - O&G Well DrillingCd - Heat Treatment Defect
Cm - Aspect by NDTDf - General View