API

2 cases · 5 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Detail focus: At the Surface clear all

API — sub-branches

5CT 25D 55L 66A 718 29A 1

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Micrography of a longitudinal section of the core wire, 2.0 mm diameter, at the surface of the wire, showing that the wire presents no protective layer (not galvanized nor plated) and the microstructure is strain hardened, aligned.
71
VIEW
ML00117 / Jan.2018
High Carbon Steel Wire Rope
M - High Carbon SteelP - Wire RopeAp - Oil and GasCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - At the Surface
Aspect of the washout in the 5" drill pipe, in the pipe body, before cleaning the surface.
683
VIEW
ML00068 / Sep.2020
Corrosion Fatigue of a 5" Drill Pipe
M - Low Alloy Medium Carbon QTP - Seamless PipeAp - O&G Well DrillingCd - Corrosion Fatigue
Cm - Aspect Before AnalysisDf - At the Surface

More from these cases

ML00117 — High Carbon Steel Wire RopeM - High Carbon SteelP - Wire RopeAp - Oil and GasCd - Typical manufacturing
Micrography of a longitudinal section of the strand internal layer, wire of 2.6 mm diameter, at the surface, showing that the wire presents no protective layer (not galvanized nor plated) and the microstructure is strain hardened, aligned.
31
VIEW
ML00117 / Jan.2018
High Carbon Steel Wire Rope
M - High Carbon SteelP - Wire RopeAp - Oil and GasCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - At the Surface
Micrography of a longitudinal section of the strand external layer, wire 3.8 mm diameter, at the surface, showing that the wire presents no protective layer (not galvanized nor plated) and the microstructure is strain hardened, aligned.
20
VIEW
ML00117 / Jan.2018
High Carbon Steel Wire Rope
M - High Carbon SteelP - Wire RopeAp - Oil and GasCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - At the Surface
ML00068 — Corrosion Fatigue of a 5" Drill PipeM - Low Alloy Medium Carbon QTP - Seamless PipeAp - O&G Well DrillingCd - Corrosion Fatigue
Aspect of the washout in the 5" drill pipe, in the pipe body, after cleaning the surface. The surface presents several parallel tool marks that are not typical in the pipe since the torque is applied in the tool joint.
195
VIEW
ML00068 / Sep.2020
Corrosion Fatigue of a 5" Drill Pipe
M - Low Alloy Medium Carbon QTP - Seamless PipeAp - O&G Well DrillingCd - Corrosion Fatigue
Cm - Surface AspectDf - At the Surface