Damage

3 cases · 3 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Standard: 5D Capture method: Fracture Surface Aspect clear all

Damage — sub-branches

Corrosion 2Ductile Behavior 1Hydrogen 2

Results

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View of the fracture. The internal green coating was removed only close to the fracture.
29
VIEW
ML00169 / Nov.2020
Drill Pipe Fracture in the Pipe Body
M - Low Alloy Medium Carbon QTP - Drill PipeAp - O&G Well DrillingCd - Corrosion Fatigue
Cm - Fracture Surface AspectDf - Fracture
Macroscopic detail of the fracture surface with a starting point at the external surface of the pin.
82
VIEW
ML00009 / Sep.2017
Hydrogen Cracking of a 5" Drill Pipe S135
M - Low Alloy Medium Carbon QTP - Drill PipeAp - SubseaCd - Hydrogen Embrittlement
Cm - Fracture Surface AspectDf - Brittle Fracture
Detail of the flat fracture surface of the pin, after disassembling from the TJ box. ID in the top and OD in the bottom of the figure. Radial marks are clear in the fracture surface.
57
VIEW
ML00088 / Dec.2017
Hydrogen Cracking of an API 5D S135 Drill Pipe
M - Low Alloy Medium Carbon QTP - Drill PipeAp - SubseaCd - Hydrogen Embrittlement
Cm - Fracture Surface AspectDf - Brittle Fracture