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RBI, CMP & OSI Study at Shaybah NGL


Location:
Kingdom of Saudi Arabia
Client:
Saudi Aramco
Region:
Middle-East
Services:
Risk Based Inspection (RBI) Corrosion Management Program (CMP) Study On-Stream Inspection (OSI) Program
OBJECTIVE
RBI Study
  • Establish the current risk levels for equipment items and in-plant piping in order to reduce risk through inspection.
  • Improve cost-effectiveness of inspection resources.
  • Provide recommendations and propose improvements to manage the operational risk to acceptable industry levels; ALARP (As Low As Reasonably Practical) and optimized future inspection plans.
CMP Study

Development of an Effective corrosion management strategy that results in:

  • Improved plant integrity and safety.
  • Reduced corrosion failures.
  • Optimized mitigation, monitoring and inspection expenditure.
OSI Program

The main objectives of establishment/optimization of the OSI Program are:

  • To validate if all equipment items and piping systems (included under RBI assessment) are covered in the OSI program as per applicable P&IDs.
  • Review and validate the OSI program based on API RBI study and applicable damage mechanisms.
  • Identify existing gaps, and then give suggestions to revise or update the OSI program.
Scope of Work

RBI, CMP & OSI Study was to be performed for the Equipment Items and Piping Systems of following units in Shaybah NGL Plant:

  • Power Generation and Heat Recovery Unit
  • NGL Recovery
  • Gas Treating
  • Utilities
  • Residual Gas Compression
  • Launcher and Receiver Area
  • NGL Storage and RMU
  • Acid Gas Compression
  • Inlet Area
Deliverables

Comprehensive RBI Program, along with Results and Conclusions

  • Corrosion Loop Drawings and Description
  • Inventory Group Drawings
  • Inspection Plan
  • Risk Analysis
  • API RBI Software Databases
  • RBI Report

Detailed Corrosion Control Document

  • Detailed Process Description
  • Major Corrosion Challenges
  • Corrosion Control Methodology
  • Corrosion Monitoring Strategy and Integrity Operating Window

Established OSI Program

  • OSI Drawings for Equipment and Piping
  • OSI Register detailing CML Points as per RBI Risk
  • Presentation and Reporting of OSI Program through OSI
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