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Minimum Intervention Strategy for Inspection (MISI)

Reduce your turnaround time by optimising your inspection scope

Page last modified
Tuesday, March 30, 2021 - 15:49

Minimum Intervention Strategy for Inspection (MISI) is a methodology aimed at reducing turnaround time.
It proposes 4 maturity phases for Risk Based Inspection and focuses on improving the inspection effectiveness as well as the inspection efficiency.

MISI reduces the impact of inspection on:

  • Turnaround scope and duration
  • Up to 50% reduction of intervention costs for preparation of equipment
  • Reduce the HSSE risk of confined space entries


Reduction of turnaround scope and duration
Direct cost reductions
No loss of production
Reduce HSSE impact by minimizing confined space entry
Less people on board of the platform
MISI requires a higher level of Non Destructive Testing knowledge
Needs change support from higher management


Accuracy Effectiveness comparisons conform API.
Areas of Application Pressure vessels, piping, tanks and pipelines.
ATEX certified No
Capabilities Competent staff for Risk Based Inspection, Non Intrusive Inspection, Non Destructive Testing and Robotic Inspection.
Certifications / licences ISO9712 / ASNT TC-1A
Compliance Non destructive testing in compliance with API 510-570-580 codes or equivalent.
In-service inspection possible Online Non-Intrusive inspection.
Inspection Inspection, (A)NDT and robotical.
Repeatability At least at a comparable effectiveness level.
Temperature Inspections at elevated temperature are possible up to 485C (905F).

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About TÜV Rheinland Sonovation

TÜV Rheinland Sonovation is a leading provider of advanced non-destructive testing services worldwide. We have been developing safe and sustainable solutions for the inspection challenges arising in the Oil, Gas & Petrochemical Industries for over 25 years.

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