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Client:
ARCO and Pertamina
Location:
Indonesia
ARCO Pertamina Ardjuna Offshore NGL Recovery Plant - EPC
Offshore NGL Recovery Plant EPC
Fluor first performed a feasibility study and then provided engineering, procurement, and construction management to Atlantic Richfield Company (ARCO) and Pertamina for the world’s first totally offshore NGL recovery plant in the North Java Sea in Indonesia.
 
The project was performed on a seismically active seabed in water depths up to 145 feet with 28-foot storm waves.
 
Client's Challenge
Offshore Natural Gas Plant EPC

ARCO and Pertamina joined to build a totally offshore NGL facility in the Java Sea.

The plant includes systems for gas gathering, gas compression, dehydration, chilldown and turboexpansion, fractionation and LPG treating, spiking excess gas liquids back into the crude, and product shipping facilities.

The facility consists of two interconnected eight-pile platforms for the NGL process plant, one four-pile platform for crew quarters, four four-pile compressor station platforms, flare platforms and bridges, 40 miles of submarine pipeline and a single-point mooring system for a 375,000 bbl capacity refrigerated storage barge.

 
Fluor's Solution
Offshore NGL Plant Construction Management
A plant of this size would normally require five acres on land, yet Fluor engineered it to function on only one acre of platform deck space. Fluor used modular construction of 21 prefabricated single lift modules for total plant assembly.
 
The modules included a refrigeration unit, five piperack modules, six air cooler modules, and a dehydrator. The outlying gas compressor stations provide 40,000 hp of natural gas compression. The plant’s turbine generators and compressors use methane fuel derived from natural gas on the job site.
 
Conclusion
Offshore NGL Recovery Plant EPC
Offshore Natural Gas Plant Engineering, Procurement, Construction Management
Fluor first performed a feasibility study to determine whether the NGL recovery plant could be built in the seismically active area.
 
Fluor performed engineering, procurement, and construction management using a modular construction approach to assemble the world’s first totally offshore NGL recovery plant.
 
The project also included construction of a submarine pipeline and single-point mooring system.
 
Technologies
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