Client
• Investor •
North Oil Company
• EPC •
PTSC Mechanical and Construction Joint Stock Company (PTSC M&C)
Daewoo Shipbuilding & Marine Engineering (DSME)
Year
2022
Location
Qatar
Scope
Fabrication
Item
Tubular members of an offshore jacket structure
Thickness
100 – 120 mm
Weight
9,000 tons
Material
ASTM A6/A6M
Project
The Gallaf 3 Oil Rig project is the next phase of development of the Al-Shaheen field, located offshore the coast of Qatar. The Al Shaheen Oil Field is a production oil and gas field off the northeast coast of Qatar in the Persian Gulf, 80 kilometers (50 mi) north of Doha. The oil field lies above the North Gas Field, one of the largest gas fields in the world. The field has been operated by Maersk Oil Qatar AS of Denmark until July 2017 under a production-sharing agreement with QatarEnergy, on behalf of the state of Qatar. As of June 2016, QatarEnergy and the French major TotalEnergies established a new company known as North Oil Company. The new company is 70% owned by QatarEnergy and 30% by TotalEnergies. North Oil Company took over field operations on 14 July 2017.
Item
CNI has a proven track record as a contractor for fabricating and installing oversized steel structures, serving both offshore and onshore projects. Our expertise extends to a wide range of structures, including but not limited to offshore modules and onshore industrial facilities. Our state-of-the-art facilities, advanced fabrication techniques, and skilled workforce enable us to deliver customized solutions that meet the most demanding project needs while adhering to rigorous quality standards and regulatory requirements. Oversized steel structures refer to large-scale steel components or assemblies that exceed standard size specifications. These structures are characterized by their substantial dimensions and are often used in industrial, commercial, and infrastructure projects where strength, stability, and durability are paramount. Fabricated from high-quality steel materials, oversized steel structures can include beams, columns, trusses, frames, and other elements tailored to accommodate specific design requirements and engineering specifications.
Tubular members are integral components of offshore structures, which are essential for supporting offshore platforms in marine environments. These members consist of cylindrical or tubular steel sections that form the framework of the structure, providing strength, stability, and load-bearing capacity. Tubular members are designed to withstand the harsh conditions of the offshore environment, including wave action, wind loads, and corrosion. They are typically fabricated from high-strength steel alloys to ensure structural integrity and longevity. Tubular members are interconnected using various welding techniques to create a robust and durable offshore structure capable of withstanding the forces exerted by ocean currents and environmental factors.
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