© ABB Group 7. april 2023 | Slide 1

New Frontier: SubseaLonger Deeper Colder

ABB, 2012

© ABB GroupApril 7, 2023 | Slide 2© ABB Group April 7, 2023 | Slide 2

Offshore electrificationEnergy Efficient O&G Production

HVDC

HVDC

HVDCAC

AC

© ABB Group April 7, 2023 | Slide 3

Today

© ABB Group April 7, 2023 | Slide 4

Tomorrow

© ABB GroupApril 7, 2023 | Slide 5

18%

=

Subsea opportunityMarket growing at 18% CAGR reaching ~$100Bn by 2020

• Eliminate costly topside solutions• Deeper, longer distance, marginal fields• Increased recovery at falling pressure

Subsea drivers

Towards subsea factories - - by 2020

© ABB Group April 7, 2023 | Slide 6

Statoil/Aasgard subsea compression projectA critical step towards the subsea factory

Key success factors

Subsea gas compression

Subsea separation

Long subsea power transmissions

© ABB GroupApril 7, 2023 | Slide 8

Subsea today

Subsea equipment Electrical systems/power modules

Topside systems Flow assurance Topside control Topside electrical distribution

SURF AC/DC subsea power cables

© ABB GroupApril 7, 2023 | Slide 9

Evolvement of subsea power distributionTowards longer step-out

Long step-out drive system

Cable transfer ~50km

Cu

rrent S

tatus

Tyrihans (2009)2*Pumps (seawater

injection)4 MVA70 Hz31 km tie-in

ACS MV converter

K-lab (Åsgard qualification)

Compressor15 MVA / 8 MW200 Hz47 km cable sim.

© ABB GroupApril 7, 2023 | Slide 10

Reliable subsea power distributionWhere is the industry today as technology suppliers?

Cable transfer M

Subsea transformer

Pressure compensatedDepths: 3000m70 MVA qualified>200 MVA possibleLong Reference list

Power Cables

Static and dynamicIncreasing depthsAC and DC typesReferences:

Troll, ValhallGjøaGoliat

Cu

rrent S

tatus

© ABB GroupApril 7, 2023 | Slide 11

Reliable subsea power distributionBeen there, done that!?

Cable transfer M

Troll Pilot - Subsea Electrical Power DIStribution (SEPDIS -> 2002)

Subsea distribution systemFrequency converter:

1 atm chamber

1.5 to 3 MVA

Passive cooling

Redundant controlShallow water tests

successfully completed

© ABB GroupApril 7, 2023 | Slide 12

Reliable subsea power distributionFocus competence to solve the new subsea challenge

Cable transfer M

Domain knowledge•Oil and gas process understanding•Subsea•Safety•Marinization

ABB’s global competencies geared towards subsea power distribution

…

R&D •Power Electronics•Material science•Switching technology•Complex systems

Project execution•Large offshore electrification, automation and telecom projects•Advanced VSD & power electronics systems for subsea•Life cycle services

Products •Transformers•Power Cable•Motors•Switchgear•Flow Assurance

• Insulation• Magnetics• Semiconductors• Control & sensors

• Drives (LV, MV)• HVDC• IGBTs, IGCTs…• Process ctrl&Safety• Condition Monit.

© ABB Group April 7, 2023 | Slide 14

The New Subsea Initiative

Stepdown DC

M

DC transmission

Stepdown AC

M

AC transmission

Subseadrive

Highspeedmachine

Highspeedmachine

Subseadrive

M

Topsidedrive

Step-Uptransformer

Step-downtransformer

Long AC cables

Highspeedmachine

To

psid

e/sh

ore

Su

bs

ea

Today Ongoing FutureToday Future

Platform/floaters based

O&G processing

Power supply

Platform based power generation or power

from shore

Long distance power from shore

ABB investing in subsea electrification & automation solutions to enable future subsea processing

Subsea

+ Subsea O&G processing

+ No platforms/floaters

+ One cable over many

+ Longer distance

– Limited distance

Subsea AC

+ Subsea O&G processing

– Platforms/floaters needed

– Many cables needed

– High OPEX, CAPEX

– People safety procedures

– Environmental impact

– Limited step-out distance

+ Subsea O&G processing

+ No platforms/floaters

+ One cable

+ Cheaper cable

+ Longest distance

+ Common DC: no rectifiers

Topside AC Subsea DC

© ABB GroupApril 7, 2023 | Slide 15

+Subsea O&G processing - Platforms/floaters needed- Many cables needed- High OPEX, CAPEX- People safety procedures- Environmental impact- Limited step-out distance

Subsea power and automationInvesting in the subsea vision

+ Subsea O&G processing+ No platforms/floaters+ One cable over many+ Longer distance– Limited distance

+ Subsea O&G processing+ No platforms/floaters+ One cable+ Cheaper cable+ Longest distance+ Common DC: no rectifiers

Today Ongoing Future