A brand new technological commonplace for low-emission drilling on the Norwegian Continental Shelf. This is Maersk Drilling’s bold goal for the ultra-harsh surroundings jack-up rig Maersk Intrepid which is coming into a sequence of upgrades to transform it to a hybrid rig with low ranges of NOx emissions, including information intelligence to additional cut back power consumption and CO2 emissions. The upgrades are being carried out in cooperation with Maersk Intrepid’s present buyer, Equinor, which has launched compensation codecs to stimulate emission reductions.
The first improve of Maersk Intrepid would be the set up of batteries for the hybrid energy resolution which is predicted to be accomplished in July this 12 months. The full implementation of all low-emission upgrades is predicted to be accomplished by the top of 2019, and Maersk Drilling will use the learnings from Maersk Intrepid to guage learn how to proceed with potential upgrades to scale back emissions from different Maersk Drilling rigs.
Low-emission upgrades for Maersk Intrepid
The low-emission bundle launched on the rig consists of three upgrades in whole:
– Hybrid energy
The power use on board a rig is characterised by excessive peak hundreds throughout sure operations. By putting in power storage by use of batteries, the rig can have energy immediately accessible when wanted, that means that fundamental power necessities might be met by fewer engines working at increased depth – which is each extra environment friendly and reduces CO2 emissions.
– Energy Emission Efficiency software program
The cloud-based Energy Emission Efficiency (EEE) software program developed by Maersk Drilling makes use of real-time information to watch all power use on board the rig, which permits for steady optimisation, for instance by switching off engines when they don’t seem to be wanted. Live assessments of EEE have demonstrated a double-digit power saving potential underneath take a look at situations.
– SCR models to scale back NOx emissions
Selective Catalytic Reduction (SCR) techniques seize NOx exhausts and use ammonia injections to transform the fuel into innocent water and nitrogen. By putting in SCR models on all of the rig’s engine exhaust pipes, Maersk Drilling expects to have the ability to cut back NOx emissions by greater than 90%, whereas additionally decreasing soot emissions considerably.
(Source: Maersk Drilling)


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