Demonstrating Capability: Integrating the Old with the New · Terminal Server Overview ... regardless of new MCS, umbilical and distribution, ... t he economic conditions of the regions

© 2018 Aker Solutions

Demonstrating Capability: Integrating the Old with the New

Subsea Expo, Aberdeen, 8 February, 2018Meir Greenfeld | Chief Technical AdviserRichard Carter | Product Manager


Field Extension and Preservation, Backward Compatibility■ The challenges:

■ There is a large installed base of SCMs worldwide■ Expected life of field is upwards of 25 years■ Operators may wish to extend their fields

■ and may require more instrumentation with more data■ Operators may also wish to extend their fields’ life.

■ The constraints:■ In electronics,

■ what was new fewer than 5 years ago,is often obsolete today

■ Therefore, it is difficult to maintain the old and provide new equipment compatible with the old

■ Old infrastructure does not support high speeds.

■ And the solutions are…

05 February 2018 Slide 2

© 2018 Aker Solutions 05 February 2018 Slide 3

Generations of SCM and SEM

1980s

1990s

2000s

2010s

3rd

Gen

4th

Gen5th

Gen(iCon)

LP SEMASE3000FSK@1200

ASE4000FSK@1200

ASE3000FSK@1200(can be used with inductive couplers)

ASE3000ASE4000ASE5000IEC870ModbusTCPFSK & OFDMFibre Optic(i.e. all previous protocols)


Generations of Subsea Electronics


XMTXMT MPFMMPFM

Infield umbilical New Hub(SRM)

MCS

Subsea Distribution

XMT XMT XMT

Umbilical


What the Industry RequiresOperator needs the Existing Field

The SRM is not only for adding XMTs,it also allows new instruments with heavy

communication/data demands

Existing Field(legacy equipment)

MCS

Subsea Distribution

XMT XMT XMT

Umbilical

+ new well sets or more data, or both


What Does Aker Solutions Bring to the Market?

5 February, 2018 Slide 6

■ Decades of subsea controls experience

■ Global installed base

■ Leading provider of subsea controls,■ with the combined synergies of our entire SPS portfolio

■ Previous Subsea Controls experience to be draw from.

■ Knowledge of original system and its analysed limitations

■ Backwards compatibility

■ Integration of an SRM system or components■ providing packaged solution being part of SPS portfolio.

■ We understand our customers’ requirements■ We have the relationships■ We have the resources to deliver a technology.


Terminal Server

(Multiplexed = superimposition of higher carrier frequencies on the umbilical cores which carry the slower existing legacy communication signals)

■ Fear of interfering with existing system/production

■ Extensive analysis and testing would be needed to “sell” the client a technology that is viable.

■ Co-existence by multiplexing is tempting■ The ‘new’ is pseudo independent from the ‘old’

■ But there are risks of consequential interference

■ And there are limitations imposed by the umbilical■ e.g.

for a legacy 1.2 kBaud system,superimposing a new ~40 kBaud system is achievable,

■ but for a legacy 9.6 kBaud system – practically nothing.


MCS

SCM SCM

SCM

SCM

?

Fieldextension

SDU

■ Operators can be wary of multiplexed communications on the production communications lines


Terminal Server

■ Aker Solutions’ Terminal Server removes these limitations

■ It provides a reliable technology

■ It is built from Aker Solutions’ existing portfolio of field proven technology

■ Hardware is a fully qualified serial communications board,■ which is already used as part of the Aker Solutions

SEM technology.


MCS

SCM SCM

SCM

SCM

?

Fieldextension

SDUTerminalServer


MCSExisting FSK Modems


Existing technology Limited bandwidth ASE3000 and iCon SCMs

(or older SEM generation)

Existing Legacy System

Existing FSK Modems

Existing SCM

Existing FSK Modems

Existing SCM

Existing FSK Modems

Existing SCM

EDB




Existing technology Limited bandwidth ASE3000 and iCon SCMs

(or older SEM generation)

Existing Legacy System with Backward Compatible Wellset

MCS software extended to add new SCMs

Existing FSK Modems

Existing SCM

Existing FSK Modems

Existing SCM

Existing FSK Modems

Existing SCM

EDB

Backwards Compatible

SEM and Modem

SCM




Terminal Server – Umbilical Communications Upgraded

■ Same MCS■ New Windows OS driver■ New modems, utilising –

■ Same umbilical cores faster communication■ or fibre optic communication

■ New Terminal Server module■ Retrievable electronics

Existing FSK Modems

Existing SCM

Existing FSK Modems

Existing SCM

Existing FSK Modems

Existing SCM

Terminal Server Driver SoftwareFast Modems

SRM

Terminal Server Electronics

Fast Modems

FSK Modems EDB


Terminal Server – Upgraded Communications System

■ MCS software extendedto add new SCMs / instruments

■ New and legacy subseatechnologies co-exists

■ MPFM possible on the new SCMs

■ Existing equipmentcontinues to operate

Existing FSK Modems

Existing SCM

Existing FSK Modems

Existing SCM

Existing FSK Modems

Existing SCM

Fast Modems

New SCM

Fast Modems

New SCM

Fast Modems

New SCM

SRM

MCSTerminal Server Driver SoftwareFast Modems

FSK Modems


Fast Modems

EDB


Terminal Server – Upgraded Communications System

Existing FSK Modems

Existing SCM

Existing FSK Modems

Existing SCM

Existing FSK Modems

Existing SCM

SCMs can be upgraded to newer technology one at a time

SRM

MCSTerminal Server Driver SoftwareFast Modems

FSK Modems


Fast Modems

EDB

Fast Modems

New SCM

Fast Modems

New SCM

Fast Modems

New SCM

Fast Modems

New SCM


Terminal Server Overview■ Utilizes standard low power serial board (field proven)

■ with Modified Software.

■ Topside to subsea communication

■ either DSP electrical communication (OFDM)■ or through optical fibres.

■ Communication to subsea legacy device

■ via Serial FSK modems.

■ Hardware can be installed within a subsea pod

■ SCM, MCM, SRM■ or can be a separately retrievable sea washed canister.



Demonstrating Experience



SDM

MCS

Example 1: BP Quad 204■ Background – aging Schiehallion field

■ ~30 wells with 3rd gen. SEMs■ 1.2 kBaud FSK comms.

■ Client requirements:■ Extend field life■ ~20 additional well sets■ New FPSO with new MCS■ New umbilical and new distribution■ But Keep existing subsea infrastructure,

■ i.e. not recovering XMTs/SCMs.

■ The solution implemented:■ New MCS communicating DSP OFDM■ Terminal Server at the subsea SDM■ communicating FSK to the legacy SEMs.

■ For new wells, there is a choice:■ Quad 204, FSK communication■ Future wells, we have more options.


DSP Modem

MCSA

MCSB

DSP Modem

Terminal Server

FSK Modem

DSP Modem

Original SCMs

3rd Gen. SEM

FSK Modem

SCM(Schiehallion)

3rd Gen. SEM

FSK Modem

SCM(Schiehallion)

FSK Modem

SCM(Quad204)

5th Gen. SEM(iCon)

Quad204 SCMs

DSP Modem

SCM(future)

5th Gen. SEM(iCon)

DSP Modem

SCM(future)

6th Gen. SEM(Vectus)

Future Options

DSP Modem

Terminal Server

FSK Modem


Example 2: UK North Sea (Company ‘A’)

■ Client requirements:■ Additional backward compatible well-sets■ No enhanced speed required.

■ By analysis, however, Aker Solutions knows■ that doing so would imbalance the communication system■ Such system with additional backward compatible SEMs

would not work.

■ Aker Solutions are thus offering a Terminal Server solution:■ The terminal server in this case is performing the function

of a repeater/multiplexer■ Plus, it reconstitutes and retransmit the signals■ Hence, achieving a viable solution without reflections and

distortions.


Existing Legacy SCMs

Backward Compatible SCMs

MCSExisting ModemsExisting FSK Modems

SRM

FSK Modems


DSP Modems

Terminal Server Driver Software

DSP Modems

EDB


Example 3: UK North Sea (Company ‘B’)■ Client requirements:

■ New umbilical, length exceeding comms. capability■ Existing communication speed is 9.6 kBaud, FSK

■ EFLs from subsea distribution to wells, kms long■ Client’s existing stock of Aker iCon SEMs, to be used

(a good recycling / environmentally friendly requirement).

■ Aker Solutions’ analysis, however, shows that■ regardless of new MCS, umbilical and distribution,

■ the required distances exceed the range ofthe existing legacy equipment.

■ Therefore, the solution is:■ The new MCS to communicate DSP OFDM■ New umbilical (copper communication)■ Terminal Server subsea, communicating:

■ DSP OFDM with the MCS■ FSK at 9.6 kBaud to the SEMs.



Extending the Life of the UKCS


■ Demonstrated through projects such as BP Quad 204,the Aker Solutions ‘Subsea Terminal Server’:■ offers upgrade of communication speeds through existing umbilicals■ allows adding modern, data intensive instrumentation■ facilitates backward compatible tie-in of legacy control modules.

■ Our experience and learning is taken to the broader market,■ to support life of field extension in the UKCS,

regardless of the generation of subsea equipment.

■ Furthermore, for the local market,■ significant investment in the refurbishment and expansion of the

service facility in Aberdeen reaffirms Aker Solutions’ commitment to provide the best possible service and upgrade of capability.

■ In a mature basin, the viability of legacy control systems is always at question.

■ None of Aker Solutions’ global installed base dating from the 1980s are obsolete !



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Demonstrating Capability: Integrating the Old with the New · Terminal Server Overview ... regardless of new MCS, umbilical and distribution, ... t he economic conditions of the regions