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Allseas launch first operations in China



The Swiss-based offshore installation contractor Allseas has begun operations on the Lingshui-17-2 gas field in the South China Sea - marking the first time the company has undertaken a project in China. 

Allseas are using two of their vessels to begin pipelay operations on the gas field
(Image via Allseas)

Allseas are conducting pipelaying operations including the installation of a 90km long, 18 inch diameter export line and PLET at the deep end; four 53km long, 10 inch flowlines and 6 PLETs (J-mode); and three 19km long, 4.5inch MEG lines with 6 PLETs (S-mode). The work is being undertaken on behalf of the Chinese Offshore Oil Engineering Company (COOEC). 

The field is located in the East Lingshui Sag area of Qiongdongnan Basin, around 150km south of Hainan Province. Operations are taking place in a water depth of approximately 1,500 metres. CNOOC are operating it with an aim to produce first gas in 2021. It’s expected to produce 3-3.5 billion cubic metres of gas per year. 

The first phase of development will comprise 11 subsea trees tied back to the new gas production semi via four-manifolds. 

A second phase will involved extending the subsea system and piping gas to Hong Kong for power generation via an existing pipeline originating on the Yacheng 13-1 field.

Allseas began the pipelay work using its vessels Audacia and Calamity Jane. 

"Audacia and Calamity Jane have started work on the deep-water Lingshui 17-2 gas field development in the South China Sea – Allseas’ very first job in China. During the project, Audacia will install some 160 km of subsea pipelines and multiple structures in water depths up to 1500 m, with Calamity Jane providing the support," the company said in a statement.

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Recent Comments
Trump kicked (sanctioned) Russki Nord-Stream #2. Good work. Now, even though CHINA is #1 ENEMY for the USA, even to all World, for World-Domination, WHY are we NOT kicking China as well?? Why are we helping them to develop energy, then carriers and nukes?? They get a lot of GAS from Putin, via Siberian pipeline (run by RR gas turbines) and they are in bed with N Koreans. White House, do you hear?? Do you care??
ANDRE GURSES, 10 June 2020
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Allseas launch first operations in China - Time to read 2 min
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