EIWAA Oil and Gas Services is a Storage tank Inspection Service provider for issuing fitness certification whether the storage tank is Inservice or out of service condition. Above Ground Storage tank Inspection Services as per API 650/API 653 Standards includes NDT Testing, Hydro Testing, Shell and Floor of tank settlement Survey, Storage tank Dimensional control by 3D Laser Measurement Services and Fitness Certification issuance.



Storage Tank Settlement Survey in Saudi Arabia

During the time of storage tank hydro testing, Settlement survey shall be performed in accordance with the requirements of API 650 & API 653 Standards. Storage tank Settlement Survey covers the scope of Storage tank shell and floor settlement at various stages of hydro testing according to the code requirements. Storage tank settlement survey shall be performed by Total station survey and 3D Scanner.

Storage tank settlement Survey covers the following storage tanks as per the local regulations and API Inservice storage tank inspection codes.

  • Fuel Oil storage tank
  • Fixed Cone roof storage tank
  • Floating roof tank
  • Water tank

All the Surveying Engineering of storage tank shall be performed by authorized Surveyors in presence of API 653 Inspection Engineers.

Storage Tank Dimensional Survey in Saudi Arabia 

Storage tank dimensional Survey shall be performed by advanced total station and 3D Scanner in order to determine the Storage tank dimensional measurements. It is a remote sensing measurement services by LiDAR Scanning and 3D Measurement. By Laser Measurement Services, we can find out the following dimensional measurements of storage tank .

  • Storage tank Verticality
  • Ovality and Roundness
  • Tank Straightness
  • Tank Alignment Survey
  • Tank Tiltness Survey
  • Storage tank Peaking and Banding Survey
  • Tank Floor Waviness measurements

All the storage tank dimensional services shall be performed by authorized dimensional inspectors in presence of API 653 Inspection Engineers.

Storage Tank Inservice and out of Service Inspection

Our Storage tank Inservice/Out of Inspection Covers the scope of NDT Inspection, Corrosion Survey, Hydro testing and certification, Settlement Survey and Storage tank Dimensional Measurements. Non Destructive Testing covers the scope of MPI Inspection, DP Test, Vacuum Box Testing, Leak testing, MFL Inspection and Ultrasonic thickness Gauging of tank shell, roof  etc. Storage tank Dimensional control by remote 3D Laser measurement service can find out tank verticality, tank tiltness, Peaking/banding and tank ovality checking by external inspection.

As a part of storage tank Inservice inspection and certifications as per API 653, storage tank inspection and remaining life assessment shall be provided at periodic interval. Inservice Inspection and Certification includes the following,

  • Non-Destructive Testing
  • Hydro Testing
  • Storage tank Settlement Survey
  • Safe Fill Height calculation
  • Remaining Life Assessment
  • Fit to Use Evaluation.

All the storage tank inspection and certification shall be in compliance with API 650/API 653 Standards as well as local regulations by API 653 Inspection Engineers and ASNT/PCN NDT Technicians.