6.30.2017: After the successful completion of the Leman Complex remote ICCP retrofit in late 2016, Shell Global Solutions and Deepwater have signed a five-year framework agreement for the engineering and supply of remote ICCP cathodic protection systems for projects worldwide.
LEMAN ALPHA PILOT PROJECT
Shell Leman Alpha Remote Impressed Current Retrofit
Installing traditional galvanic anodes in the fabrication yard is relatively straight forward, however, replacing anodes on a like for like basis subsea can be costly, time consuming and has a number of safety risks due to the weights and attachment methods. With the current low oil price, alternatives to traditional anode retrofits are being sought, and this is where Deepwater’s RetroBuoy Impressed Current Cathodic Protection (ICCP) sled was considered the most cost effective solution for Shell and the Leman Alpha complex. The offshore deployment was completed in 17 days with each RetroBuoys installed in 12 hours each. These three RetroBuoys provide a total of up to 1500 Amps of CP current, the equivalent of hundreds of galvanic anodes.
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