Type:
Oil
Facility:
Production
Water Depth:
125
Installed:
2017
meters
Block:
9/2b
Design:
Floating steel
Sub Structure:
0
Topsides Wgt:
16733
tonnes
tonnes
Intro
The Kraken FPSO is a floating production, storage and offloading vessel located in the UK Central North Sea, Block 9/2a. Installed and commissioned in 2017, it provides full processing, storage, and offloading for the Kraken heavy oil field. The FPSO is permanently moored and receives production from a network of subsea wells via flexible risers.
Field
The Kraken oil field lies in the East Shetland Basin and produces heavy oil from Upper Jurassic sandstone reservoirs. Discovered in 1985, the field is characterized by viscous crude and relatively shallow reservoirs. Development uses subsea wells tied back to a central FPSO with shuttle tanker export.
Facilities
The Kraken FPSO supports subsea production and injection wells via risers and umbilicals. Processing facilities include three-phase separation, crude oil heating, stabilization, and produced water treatment. Due to the heavy oil properties, extensive heating and flow assurance systems are installed throughout the processing train. Produced water is treated and reinjected for pressure support. Associated gas is used for fuel, with surplus managed through controlled systems. The FPSO provides large crude storage capacity and offloads stabilized oil to shuttle tankers in tandem configuration. Utilities include power generation, seawater lift, firewater and deluge systems, inert gas systems, chemical injection, and integrated control and safety systems. The vessel is turret-moored, allowing it to weathervane, and is designed for long-term operation in North Sea conditions.
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