Page 32: of Marine Technology Magazine (May 2022)

RENEWABLES CARBON CAPTURE & STORAGE

What about CCS? L10-A, L10-B and L10-E areas. pressurization of a pipeline packed with

Neptune also has plans for large-scale Speaking at a Subsea Pipeline Technol- dense phase CO , which could result in a 2

CCS in the Dutch North Sea. There’s ogy webinar, Cooper said CO is a more blocked line. 2 some experience in the area, such as the “pipeline friendly” gas, without the em- Another is corrosion, if water gets into

Snohvit project offshore Norway. Over brittlement problem and ? ows nicely the mix, which means ensuring no water 14 years, Neptune has been reinject- when in the right condition, i.e. into the gets in. Running ductile fracture is also ing CO into a gas ? eld from its K12-B dense phase. However, the tiniest of im- an issue, said Cooper. “This is the ten- 2 platform offshore the Netherlands. Now, purities impact where phase transitions dency of a longitudinal defect, to open it’s conducting a study, assessing the occur and very speci? c compressors need up and leak and then run along a very feasibility of injecting between 5 and 8 to be used. While these two issues are long length very fast in the direction of million tonnes of CO annually into the “very solvable”, there are “other com- the internal pressure.” While this is a fa- 2 depleted gas ? elds around our operated plications”, he said. One is sudden de- miliar issue that’s dealt with for dry gas,

The proposed H2opZee process.

Photo courtesy Neptune Energy 32 May/June 2022

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