Seawater Intake System Design, Engineering, Procurement, Construction, and Installation
South Pars Gas Field Development – Phase 12
Delta Offshore Technology proudly contributes to the development of the South Pars Gas Field –
Phase 12, delivering advanced engineering and construction solutions for the seawater intake
system. Commissioned by Daelim-Kayson-Sazeh JV (DSK), this critical infrastructure project
supports the cooling operations for the largest gas development phase in the South Pars field,
located south of Iran, east of Kangan Port.
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As a trusted leader in offshore engineering, Delta Offshore Technology
executed the design, procurement, construction, and installation of the offshore components with precision
and efficiency. The project highlights Delta’s ability to integrate innovative engineering techniques
with environmental protection, ensuring operational excellence while minimizing ecological impact.
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With a focus on cutting-edge technology, sustainable practices, and technical excellence, Delta Offshore
Technology continues to drive successful delivery of complex offshore infrastructure projects, reinforcing
its position as an industry leader.
Project Overview
Project Overview
As part of the South Pars Phase 12 development, located south of Iran, east of Kangan Port,
Daelim-Kayson-Sazeh JV (DSK) began constructing a cutting-edge seawater intake system to
supply cooling water for onshore facilities.
Found out more
Read more . . .
Delta Offshore Technology, one of Iran’s premier offshore contractors, successfully executed
the design, procurement, construction, and installation of the offshore components of the
seawater intake system. This sophisticated system was engineered to minimize environmental
impact while meeting the cooling requirements of the largest gas development phase in the
South Pars field.
Seawater Intake System Design
Seawater Intake System Design
- Intake Pipelines: Seawater is drawn through two 2-meter diameter, 1,200-meter-long HDPE pipelines, ensuring a continuous and reliable supply of clean seawater to the onshore intake basin. Found out more Read more . . .
- Outfall Pipeline: Warmed discharge water is returned to the sea via a 2-meter diameter, 200-meter-long HDPE outfall pipeline, maintaining environmental balance. Read more . . .
- Environmental Protection: Advanced filtration systems are employed to prevent the intake of marine life and particles, ensuring that only clean seawater is drawn from the seafloor, minimizing impact on the marine ecosystem.
Innovative Engineering and Installation Techniques
Innovative Engineering and Installation Techniques
Delta Offshore Technology utilized advanced engineering solutions to improve both the efficiency and reliability of the seawater intake system:
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Grout-Injected Ballasting System:
- Grout was injected into core-tube pipes within the HDPE pipelines to provide evenly distributed ballast weight.
- This method reduces drag forces and minimizes the pulling force needed during installation, in contrast to traditional ballast weights that exert localized pressure, potentially compromising pipeline integrity.
Found out more
Read more . . .
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Float-and-Sink Installation Method:
The HDPE pipelines were fabricated onshore, floated to the installation site, and then precisely sunk into position using the float-and-sink technique.
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Trenching and Backfilling:
The pipelines were placed in pre-constructed trenches and backfilled to safeguard against external threats, such as ship anchor drag or other seabed hazards.
Project Outcome
Project Outcome
Delta Offshore Technology completed the project on schedule, adhering to the highest technical and environmental standards. The seawater intake system now ensures a reliable and efficient water supply for cooling operations at South Pars Phase 12, while safely returning discharge water to the sea.
Found out more Read more . . .Key Benefits of the Project:
- Environmental Compatibility: Advanced filtration and non-invasive designs minimized impact on the marine ecosystem.
- Enhanced Pipeline Stability: The evenly distributed ballast weight increased pipeline durability and reduced operational risks. Read more . . .
- Operational Efficiency: Innovative installation techniques lowered operational loads and boosted long-term system performance.
This project underscores Delta Offshore Technology’s expertise in providing innovative, sustainable, and reliable solutions for large-scale offshore infrastructure, cementing its position as a leader in marine pipeline engineering and installation.