ALLOY

1 case · 5 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Product: Drill Collar Microstructure: Granular Capture method: Aspect Before Analysis clear all

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P550 1

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Aspect of the internal side of the drilling tool, after cleaning for inspection. Several regions of corrosion where detected where the drilling mud was adhered and remained uncleaned for a period a little longer than 1 month.
775
VIEW
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 - Internal Surface

More from these cases

ML00135 — MIC of a Non Magnetic Drilling ToolM - High Mn Austenitic SteelP - Tubular ForgingAp - O&G Well DrillingCd - Pitting Corrosion
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
VIEW
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
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.
125
VIEW
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 - Localized Corrosion
Detailed aspect of the corroded region in the external side of the drilling tool, after cleaning .
85
VIEW
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 - Corrosion
Aspect of the internal side of the 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.
48
VIEW
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 - Corrosion