Project Overview:
Al-ansar, in partnership with Rumaila Al-Khair Oil Services Company, participated in the construction of the 56-inch Dezful–Kuhdasht segment of the Sixth National Gas Transmission Line.
With a total length of 159 kilometers, the pipeline was designed to increase capacity within the national network and ensure stable energy supply.
Due to the urgency of operational readiness, the project timeline was reduced from 20 months to just 11 months.
Technical Specifications:
– Pipeline Diameter: 56 inches
– Project Length: 160 kilometers
– Contract Type: PC (Procurement & Construction)
– Steel Grade: API 5L X70
– Pipe Wall Thickness: 0.780”, 0.812”, 0.938”, 1.062”, and 1.125”
Execution Activities:
– Construction of operational and support buildings related to the facilities
– Development of structures for gas compression and pressure control stations
– Fabrication and outfitting of auxiliary facilities including control rooms, telecom systems, and cathodic protection units
– Installation of safety systems and related mechanical and electrical infrastructure
Project Facilities Include:
– 6 intermediate block valve stations
– 1 pig launcher station and 1 pig receiver station
– 2 interconnection tie-ins
– 2 cathodic protection stations
– 30 kilometers of power transmission line
– 160 kilometers of fiber optic cable
Key Challenge:
– Managing and resolving right-of-way conflicts along the pipeline route