Projects
Over the years, OIS has successfully delivered inspection, Non-Destructive Testing (NDT), corrosion control, and asset integrity services for leading operators and EPC contractors across Algeria’s oil and gas industry. Our experience covers pipelines, production facilities, LNG plants, gas processing units, storage tanks, and industrial installations.
Our Experience at a Glance
- 18 major projects successfully completed across Algeria.
- 17+ years of industry experience supporting the oil and gas sector.
- Extensive expertise in Radiographic Testing (RT), Ultrasonic Testing (UT), Magnetic Particle Testing (MT), Penetrant Testing (PT), Magnetic Flux Leakage (MFL), Time of Flight Diffraction (TOFD), Long Range Ultrasonic Testing (LRUT), corrosion monitoring, and asset integrity management.
- Proven track record with leading clients including SONATRACH, SAIPEM, SNC-Lavalin, JGC, GCB, ENTREPOSE, SINOPEC, KANAGHAZ, CTCO, and Groupement Touat Gaz (GTG).
Some Completed Projects & References
| Project | Client | Location | Period | Scope of Work |
| In Salah Gas Project | CTCO | Krechba | 2009 | Radiographic Testing (RT) of welded joints |
| Rhourde Nouss Field Redevelopment (CTH & Rhourde Chouff) | ENTREPOSE | Rhourde Nouss | 2009–2011 | NDT for 59 km of pipeline, 33 wells, and 8 manifolds |
| MLN Field Redevelopment (MLN P3) | ENTREPOSE | MLN | 2010–2012 | NDT for 44 km of pipeline, 14 wells, and 2 manifolds |
| Rhourde Nouss Quartzite Gas Processing Facilities | SNC-Lavalin | Rhourde Nouss | 2010–2013 | Radiographic inspection (RT) of pipeline welds |
| New LNG Train Project | ENTREPOSE | Skikda | 2012–2013 | X-ray radiographic inspection of field-erected storage tanks and piping |
| Sonatrach GK3 Project | SAIPEM | Tamlouka | 2012–2013 | Radiographic Testing (RT) of welded joints |
| MLE–BLEC Block 405B | SAIPEM | MLE | 2011–2013 | Radiographic inspection (RT) of pipeline welds |
| Hassi Messaoud – Ouargla Gas Pipeline (2″ & 6″) | KANAGHAZ | Hassi Messaoud | 2014 | Non-Destructive Testing (NDT) services |
| Hassi Messaoud – Ouargla Gas Pipeline (4″) | KANAGHAZ | Hassi Messaoud | 2014 | Non-Destructive Testing (NDT) services |
| CPF Ultrasonic Inspection | JGC | Bir Seba | 2014–2015 | Ultrasonic Testing (UT) of process facilities |
| Tidikelt – Tamanrasset 16″ Gas Pipeline | GCB | Tidikelt – Tamanrasset | 2014–2017 | Radiographic Testing (RT) |
| Illizi – Djanet 10″ Gas Pipeline | GCB | Illizi – Djanet | 2016–2018 | Radiographic Testing (RT) |
| Bir Seba Corrosion Control Project | JGC | Bir Seba | 2014–2015 | Corrosion monitoring and integrity assessment |
| Hassi Messaoud Oilfield Inspection Services | SONATRACH | Hassi Messaoud | 2017–2019 | Conventional and advanced NDT inspection, project supervision, and integrity assessment |
| Hassi Messaoud Oilfield Inspection Services | SONATRACH | Hassi Messaoud | 2020–2023 | Conventional and advanced NDT inspection, project supervision, and integrity assessment |
| Hassi R’Mel Oilfield Inspection Services | SONATRACH | Hassi R’Mel | 2021–2023 | Conventional and advanced NDT inspection, project supervision, and integrity assessment |
| Touat Gaz Corrosion Monitoring & Maintenance | Groupement Touat Gaz (GTG) | Oued El Zine, Adrar | 2022–2025 | Corrosion monitoring, maintenance follow-up, and integrity management |
| FGL Unit Integrity Assessment | SINOPEC | In Amenas | 2024 | Structural integrity assessment and inspection in accordance with API 510, API 570, and API 653 |
Some projects details
Contract for the provision of services for the execution of construction work in mechanics,
electricity and instrumentation

Installation of a gas lift network on the Hassi-Messaoud field,
Connection of twenty (20) Gas-Lift wells

Connection and repair work on the collection network
in the Hassi Messaoud area

Installation of a gas lift network on the Hassi Messaoud field
Connection of 25 wells

Connection of gas injection wells to
the Hassi-Messaoud field

HMD South Satellites Revamping
(SUBMANIFOLD WORKS)

Hassi-Messaoud Cis Revamping Project

OIS remains committed to delivering safe, reliable, and high-quality inspection and integrity solutions that support the operational excellence of Algeria’s energy infrastructure.
