Clean LNG on rise

Pilbara News - - News - Peter Long Peter Long is the City of Kar­ratha Mayor

The Siem Thi­ima is a boat — a ship re­ally. It weighs some 5500 tonnes empty, is 90m long and 19m wide, and it is now based at Dampier.

Thi­ima means ship in our lo­cal Ngar­luma lan­guage and it has been com­mis­sioned by Wood­side and the North West Shelf Ven­ture as a plat­form sup­ply ves­sel.

It takes food and sup­plies out to the North Rankin Plat­forms, Good­wyn, An­gel and Okha. What is also spe­cial about the Siem Thi­ima is that it runs pri­mar­ily on liq­ue­fied nat­u­ral gas.

Wood­side is devel­op­ing a new mar­ket — the sale of LNG for trans­port — and is con­vert­ing all of its ves­sels to this new, clean fuel.

Ships, trains, trucks: most things can run on LNG, but most of them use diesel or heav­ier hy­dro­car­bon fu­els.

So Wood­side can see both an en­vi­ron­men­tal ad­van­tage and an op­por­tu­nity for its busi­ness.

Die5sel and heav­ier fu­els have sig­nif­i­cant dis­ad­van­tages.

They have a high sul­phur con­tent and dis­charge par­tic­u­lates, toxic gases, CO2 and odour on com­bus­tion.

LNG burns very cleanly: there are no dirty par­tic­u­lates, neg­li­gi­ble amounts of sul­phur and mer­cury and it pro­duces 40 per cent less green­house gas emis­sions than diesel.

Let’s hope we can con­vert the Pil­bara to the use of gas.

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