--- title: Automatic welding by Oilserv Nigeria on AKK Gas Pipeline Project description: Completed a 62km, 48 inch diameter gas pipeline welding project in Nigeria with Oilserv Nigeria, showcasing our expertise in gas pipeline welding. --- [info@qapqa.com](mailto:info@qapqa.com)[Linkedin](https://www.linkedin.com/company/qapqa/)[+31 (0) 321 38 66 77](tel:+31(0)321386677)[Contact us](https://qapqa.com/contact-us/) [Contact us](https://qapqa.com/contact-us/)[info@qapqa.com](mailto:info@qapqa.com)[+31 (0) 321 386 677](tel:+31(0)321386677)[Linkedin](https://www.linkedin.com/company/qapqa/)[YouTube](https://www.youtube.com/@QapqaGroup) [![Qapqa-logo-CMYK_incl JS kleur](https://qapqa.com/hs-fs/hubfs/Qapqa-logo-CMYK_incl%20JS%20kleur.png?width=1894&height=816&name=Qapqa-logo-CMYK_incl%20JS%20kleur.png "Qapqa-logo-CMYK_incl JS kleur")](https://qapqa.com/) [![Qapqa joining solutions automatic welding technology logo grey orange](https://qapqa.com/hs-fs/hubfs/Qapqa-logo-CMYK_incl%20JS%20kleur.png?width=1894&height=816&name=Qapqa-logo-CMYK_incl%20JS%20kleur.png "Qapqa joining solutions automatic welding technology logo grey orange")](https://qapqa.com/) - [Services](https://qapqa.com/services) - [Equipment](https://qapqa.com/equipment) - [Projects](https://qapqa.com/references/) - [Reference letters](https://qapqa.com/reference-letters) - [Solutions](https://qapqa.com/solutions/) - [Industries](https://qapqa.com/industries) - [News](https://qapqa.com/news-events) - [About us](https://qapqa.com/about-us/) [Contact](https://qapqa.com/contact-us/) [Contact](https://qapqa.com/contact-us/) - [Services](https://qapqa.com/services) - [Equipment](https://qapqa.com/equipment) - [Projects](https://qapqa.com/references/) - [Reference letters](https://qapqa.com/reference-letters) - [Solutions](https://qapqa.com/solutions/) - [Industries](https://qapqa.com/industries) - [News](https://qapqa.com/news-events) - [About us](https://qapqa.com/about-us/) [Contact](https://qapqa.com/contact-us/) # Oilserv - AKK Gas Pipeline Project ![Company](https://qapqa.com/hubfs/svg-gobbler.svg) **Company:** Oilserv Company: Oilserv ![Type](https://qapqa.com/hubfs/svg-gobbler%20(3).svg) **Type:** Gas pipeline Type: Gas pipeline ![pipeline project](https://qapqa.com/hubfs/Qapqa_April2024/images/pipeline%20project.svg) **Project:** AKK pipeline Project: AKK pipeline ![Client](https://qapqa.com/hubfs/svg-gobbler%20(4).svg) **Client:** NNPC Client: NNPC ![svg-gobbler (2)](https://qapqa.com/hubfs/svg-gobbler%20(2).svg) **Material:** X70 Material: X70 ![Country](https://qapqa.com/hubfs/svg-gobbler%20(1).svg) **Country:** Nigeria Country: Nigeria ![diameter icon](https://qapqa.com/hubfs/diameter%20icon.svg) **Diameter:** 40 - 42” **WT:** 17 - 24 mm Diameter: 40 - 42” WT: 17 - 24 mm ![Distance](https://qapqa.com/hubfs/svg-gobbler%20(5).svg) **Distance:** 300km Distance: 300km Characteristics - Automatic welding of the root-pass without copper backing. - Filling/capping with Advanced Pulse (P-GMAW)  - **HDD **crossings ## Oilserv and NNPC – AKK Gas Pipeline Project in Nigeria In 2020, **Oilserv**, an indigenous Nigerian EPC company, was awarded the contract by the **Nigerian National Petroleum Corporation (NNPC)** to construct a 303 km section of the [Ajaokuta–Kaduna–Kano (AKK) Gas Pipeline.](https://en.wikipedia.org/wiki/Ajaokuta%E2%80%93Kaduna%E2%80%93Kano_Natural_Gas_Pipeline)This strategic project, part of Nigeria’s Gas Master Plan, is designed to establish a nationwide gas transmission backbone, reduce gas flaring, and support industrialization across northern Nigeria. ## About Oilserv **Oilserv** is a Nigerian-owned energy services company specializing in **pipeline and gas infrastructure development**. With decades of engineering expertise, Oilserv has delivered world-class EPC projects that strengthen Nigeria’s energy security, support sustainable development, and create skilled local jobs. ## AKK Gas Pipeline Project Details The **AKK Gas Pipeline** is one of the most ambitious energy infrastructure projects in West Africa. Oilserv is constructing 303 km of pipeline, extending from Ajaokuta in Kogi State to the Kaduna State–Niger State border. This section is part of the 614 km mega-project that will ultimately connect Ajaokuta to Kano through Abuja and Kaduna. - **303 km of X70 high-strength steel pipeline** (40–42” diameter, 17–24 mm wall thickness) - Integration of **gas stations, pigging stations, block valve stations, and terminal facilities** - Successful **[River Niger](https://www.thisdaylive.com/2025/06/26/in-key-breakthrough-2-8-billion-akk-pipeline-crosses-problematic-river-niger/) crossing (2 km wide)** using horizontal directional drilling (HDD), a rare global engineering feat - Additional HDD crossing of the Pi River completed with minimal environmental impact - Deployment of the [PWT XCS automatic welding system](https://qapqa.com/equipment/xcs-welding-system/), ensuring consistent, high-quality welds with maximum efficiency - Overcoming complex terrain challenges, including solid rock trenching up to 4 meters deep The **AKK Gas Pipeline** will significantly boost Nigeria’s gas supply capacity, providing cleaner fuel for power generation, industry, and households. Beyond the engineering, the project strengthens Nigeria’s ability to harness its abundant natural gas resources, reduces environmental impact by curbing flaring, and establishes the backbone for future gas distribution networks. Oilserv’s successful delivery of this project highlights Nigeria’s growing capacity to execute complex, world-class energy infrastructure. 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