Dyelkyen Integrated Limited has delivered project management, pipeline construction, intelligent pigging, and pre-commissioning/commissioning services across critical oil and gas assets in Nigeria.
A snapshot of recent work across piping fabrication, intelligent pigging, and pre-commissioning & commissioning campaigns.
Client: NNPC / NEDOGAS / XENERGI | Scope: Pre-commissioning & Commissioning
Dewatering, swabbing, drying, nitrogen purging and gas-in operations for a 48" × 47.5 km gas transmission pipeline (KP64.5–KP17), supporting safe start-up of national gas infrastructure.
Client: NNPC / NEDOGAS / XENERGI | Scope: Drying & Commissioning
Drying, nitrogen purging and commissioning of the KGG plant and associated 10" × 6 km gas pipeline, bringing new gas capacity safely into service.
Client: ND Western / Pipeline Infrastructure / Enikkom JV | Scope: ILI
Full intelligent pigging (ILI) run on a 10" × 12 km crude pipeline to assess condition, integrity and cleaning performance, supporting long-term asset reliability.
Client: NDPHC / CMES / Enikkom Construction Ltd | Scope: ILI
Intelligent pigging of an 18" × 1.5 km gas pipeline to confirm wall condition and support operational and integrity decisions for the HDD section.
Client: CSR Energy Services for CCM Pipelines/NAOC | Scope: Structural, Piping & HIPPS Installation
Structural platform and crude piping fabrication, installation of a 15,000 PSI High Integrity Pressure Protection System (HIPPS) package, and commissioning activities.
Client: CSR Energy Services for BGT/OANDO | Scope: Above-Ground Piping
Procurement and fabrication of above-ground piping to support modification works at the Ogbainbiri gas plant, improving facility performance and maintainability.
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Beyond the highlighted projects above, Dyelkyen has delivered a range of pipeline, facility and integrity projects for major IOCs and Nigerian operators.
Client: International Oil Company (IOC) | Scope: Cleaning & Gauging Pigging
Multi-run pigging campaign using cleaning, gauging and drying pigs to remove debris, confirm internal bore and restore hydraulic efficiency ahead of recommissioning.
Client: Nigerian Operator | Scope: Hydrotest & Leak Checks
End-to-end hydrotesting of an 18" crude trunk line, including test pack preparation, pressurisation, hold-period monitoring and final leak checks to certify line integrity.
Client: Independent Gas Producer | Scope: Structural, Mechanical & Piping
Fabrication and installation of new above-ground piping, supports and platforms to integrate additional process skids into an existing gas plant without disrupting production.
Client: Major IOC | Scope: ILI Support & Defect Repairs
Field support for intelligent pig runs on multiple lines, followed by localised defect repairs, clamp installation and verification tests to extend asset life.
Client: Gas Transmission Company | Scope: Design, Fabrication & Installation
Design and installation of temporary pigging facilities on an existing gas network, enabling safe cleaning and inspection of previously un-piggable sections.
Client: Joint Venture Operator | Scope: Commissioning & HSE Oversight
Start-up support for a new gas evacuation line, including procedure development, commissioning supervision and HSE oversight to meet client and regulatory requirements.
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