Maintenance Program - GRTgaz...W25 et 26 Pigging inspection in 2008 Fos 2 - St Martin DN 1100 – 27 km W41 and 42 GUYENNE 2 DN 900 – 125 km W 43 and 44 SERPAIZE – LES HAIES DN

CENTRE ACHEMINEMENTS ET MOUVEMENTS DE GAZDEPARTEMENT GESTION OPERATIONNELLE DES CONTRATS

Maintenance Program2008, February 6th


Agenda

Introduction

Let’s have a look back at 2007

ECT - The available tools

2008 works schedule presentation

A plan to reduce works schedule impacts

Visit of Cuvilly


GRTgaz network well placed as gateway to the French and European markets

Highly interconnected network with international gas infrastructures


Capacity developments

Before 2009 As of 2009

GRTgaz’ balancing zone reduction : 4 2

310 M€


A large-scale 10 year investment

program


Maintenance programFocus on 2007


2007: status of capacities more reduced than initially planned


2007: status of capacities less reduced than initially planned


How to use ECT for maintenance work

Section Maintenance Schedule

Includes all paths and all periods

Includes paths and periods selected by

the shipper


How to use ECT for maintenance work

Total firm capacity which could be

subscribed

Total firm capacity already subscribed Capacities minimum and maximum

available during the maintenance

Restriction rates depends on capacities→ allows to calculate your available capacity in case of restriction1- If CFS is available (after 20th M-1), best information is « Reduction CFS »2- If CFS is not available (before 20th M-1), first information is « Reduction CFC »

Information regarding this

maintenance task


Important points in 2007

Planned maintenance works vs actual maintenance works assessment: • willingness to keep reliable the initial information

Improving the “design” of ECT data


Work scheduling management


Obligations & Recommandations

Transmission contract• Best efforts to minimize reduction in capacities• Publication of engineering works schedules at least 2 months in advance• Impact evaluation at least 5 days before engineering work starts

Guidelines from ERGEG• Coordination with other TSO and french Storage & LNG Operator in

order to minimize impact• Publication of the whole program with capacity reductions, at least once

a year


Main Steps in the engineering works programListing of works • June for the work with the significant impact on capacities• September-October for all works from the Operating Divisions

Schedule planning : October-December• Dialogue with other TSO and french Storage & LNG Operators to coordinate

operations that with have an impacts on the interconnections

Evaluation of capacity availability and validation of programfeasibility : December-January

End of January: first draft of works program sent to shippers• Description of day to day capacity available for each contractual path

Any remarks to be received by the end of February

Reference Works Schedule is official at the beginning of March


Discussion with shippers

This year we sent the first information on the program in August, followed by 2 other sendings in December and mid-January

Final draft version of the work schedule sent at the end of January

GRTgaz’s expectations• Remarks and questions from shippers in february => possibility to organize

bilateral meetings (call your operational usual contact)• Important in case of adaptation needed• Difficulties to adapt the program after the beginning of march


Coordination

Meeting with adjacent operators• Between october and december year N-1• Storage and LNG terminal operator : several working meetings are required• Gassco• Fluxys• Eon Gas Transport• Transitgas• TIGF


Method of evaluation of capacityrestrictions


Principle used to calculate capacity

The tariff scheme represents the physicalconstraints on the network

Contractual capacity is a maximum flow in a pipe or the sum of flows in several pipes

A capacity is associated with a set direction


Physical vs Contractual(Tariff zones)

DUNKERQUE

MONTOIR

EAG Sud OuestIZAUTE

TAISNIERES

OBERGAILBACH

FOS

OLTINGUE

ENAGAS

North - West

Capacity North - East = Q MNE+ Q Lorraines +Q Seine

East - South

West - Center + West - South

Center – South + West - South

West

TIGF Castillon

TIGF Cruzy

South

East

North


Principle used to calculate capacity

Capacity depends on:• Upstream and downstream saturation• consumption• nominations

Firm capacity :• is calculated with the most restrictive scenario, for consumption and

nominations• To determine the flow guaranted in all circumstances excepted works

and « force majeure »

Interruptible capacity:• Corresponds to the technical limits under favourable situation


Physical versus Contractual

DUNKERQUE

MONTOIR

EAG Sud OuestIZAUTE

TAISNIERES

OBERGAILBACH

FOS

OLTINGUE

ENAGAS

WEST

TIGF Castillon

TIGF Cruzy

SOUTH

EAST

NORTH

Impact on theEast-South path

WORK


DUNKERQUE

MONTOIR

EAG Sud OuestIZAUTE

TAISNIERES

OBERGAILBACH

FOS ?

OLTINGUE

ENAGAS

WEST

TIGF Castillon

TIGF Cruzy

SOUTH

EAST

NORTH

Impact ?WORK

Physical vs Contractual

Hérault ?


How to distribute the capacity restrictions ?

Order of priority :• Links• Entry points• Transport Storage Interface Points

The aim of distributing impact is :• To minimize the inconvenience caused by the work• To maximize flows• To conduct works in good conditions

The same restriction rate is applied to all the shippers


In case of work

Unsold daily firm

Sold firm

Sold Interruptible

Unsold InterruptibleMax.

(daily, monthly or yearly)Sold

unsold

Capacity


In case of work

Unsold daily firm

Sold firm

Sold Interruptible

Max.


unsold

Capacity


In case of work

Sold firm

Sold Interruptible

Max.


Capacity


In case of work

Sold firm

Max.


Capacity

Reduction of firm capacity


Example of work


Stopple

Heavy technical operation

To avoid a complete interruption of the flux

Movie


T-stopple fitting (1)


T-stopple fitting (2)


Pipelines inspection & repair 2008 program


Bouc - AubagneDN400 – 27 km

W14 and 15

AUVERS - CHERREDN 900 – 83,5km

W16 et 17

Saint–Clair - AncemeauvilleDN 600

W14 et 15

TERSANNE – LA BEGUDEDN 600 – 77 km

W18 and 19

TERSANNE – GRANGES LES BEAUMONTDN 800 – 21 km

W 27, 28

GUYENNE DN 600 – 255 km

W39, 40, 41 and 42

GOURNAY ARLEUX DN 800 – 86 km

W14 and W21 and 22

Seine (Evry- Villius)DN 750 – 60 km

W21 et 22

Ancemeauville – Seine NordDN 450 58 km

W16 et 17

Saint Laurent - VindecyDN 250 – 59 km

S25 et 26

Fos - Courthezon DN 600 – 50 km

W23 and 24

Lorraine 1 (Aubenton – Avrima)DN 250 – 59 km

W 17 and 18

Nord 2 Taisnières - GournayDN 900 – 122 km

W25 et 26

Pigging inspection in 2008

Fos 2 - St Martin DN 1100 – 27 km

W41 and 42

GUYENNE 2DN 900 – 125 km

W 43 and 44

SERPAIZE – LES HAIESDN 600

W 36 and 37


What is a Pig ?


Repairs and safety control on the Network 2008

national Network

Regional network


Investment programworks in 2008

Courthezon

Dierrey

Fos Cavaouconnection

Evry-GregyNozay

Auvers le Hamon

Laneuvelotte 2

Nord Est 2 pipelineBeauce 2

Taisnières B

Guyenne 2


Main entry points firm capacities in 2008

(Dunkerque, Taisnières H, Obergailbach)


Dunkerque firm capacity with works

0

100

200

300

400

500

600

01/01

/2008

15/01

/2008

29/01

/2008

12/02

/2008

26/02

/2008

11/03

/2008

25/03

/2008

08/04

/2008

22/04

/2008

06/05

/2008

20/05

/2008

03/06

/2008

17/06

/2008

01/07

/2008

15/07

/2008

29/07

/2008

12/08

/2008

26/08

/2008

09/09

/2008

23/09

/2008

07/10

/2008

21/10

/2008

04/11

/2008

18/11

/2008

02/12

/2008

16/12

/2008

30/12

/2008

Date

Cap

acity

(GW

h/da

y)

Firm capacity with works Firm capacity

Block valves test on the Hauts de France

i

Block valves test on the Nord 1 and 2 i

Intelligent pig on the Nord 2 pipe

Works on Morelmaison t ti

Block valve tests on Hauts de France pipe (2nd) and on Cuvilly station

Maintenance on Pitgam

2nd Block valve tests on Nord 1

and 2 pipes

Block valve tests on

Plateaux du V i i


Taisnières H firm capacity with works

200

250

300

350

400

450

500

550

600

650

01/0

1/20

08

15/0

1/20

08

29/0

1/20

08

12/0

2/20

08

26/0

2/20

08

11/0

3/20

08

25/0

3/20

08

08/0

4/20

08

22/0

4/20

08

06/0

5/20

08

20/0

5/20

08

03/0

6/20

08

17/0

6/20

08

01/0

7/20

08

15/0

7/20

08

29/0

7/20

08

12/0

8/20

08

26/0

8/20

08

09/0

9/20

08

23/0

9/20

08

07/1

0/20

08

21/1

0/20

08

04/1

1/20

08

18/1

1/20

08

02/1

2/20

08

16/1

2/20

08

30/1

2/20

08

Date

Cap

acité

s G

Wh/

j

Firm capacity with works Firm capacity

Block valve test on Plateau du Vexin pipe

Maintenance and block valve test at Taisnières H TROLL-EKOFISK

Block valve test on Nord 2 pipe

Intelligent pig on Lorraine 1

Intelligent pig on artère de Seine

Works on Nord 2 pipe at Taisnières Station

Works on Artère de Beauce

Works on Morelmaison compression station

Works on Artère de Beauce 2

Works on Taisnières odorization

Works on Nord 2 pipe


Obergailbach firm capacity with works

0

100

200

300

400

500

600

01/01

/2008

15/01

/2008

29/01

/2008

12/02

/2008

26/02

/2008

11/03

/2008

25/03

/2008

08/04

/2008

22/04

/2008

06/05

/2008

20/05

/2008

03/06

/2008

17/06

/2008

01/07

/2008

15/07

/2008

29/07

/2008

12/08

/2008

26/08

/2008

09/09

/2008

23/09

/2008

07/10

/2008

21/10

/2008

04/11

/2008

18/11

/2008

02/12

/2008

16/12

/2008

30/12

/2008

Date

Cap

aciti

es G

WH

/day

Firm capacity withworksFirm capacity

No dehydratation system at Obergailbach weeks 38, 39, 42 and 43

Obergailbach new installation testT-stopples installation

AT Obergailbach

works on electric network at laneuvelotte

ESD0 at Laneuvelotte

Maintenance at Laneuvelotte station

Instrumented pigging on Artère de Seine Safety repairs on artère de

Seine

works on Laneuvelotte

Bourgogne pipe repairs

Maintenance at Voisines station


Capacities with works at the Fos LNG terminalaccording to the consumpion and Herault nominations probability

0

100

200

300

400

500

600

01/01

/2008

15/01

/2008

29/01

/2008

12/02

/2008

26/02

/2008

11/03

/2008

25/03

/2008

08/04

/2008

22/04

/2008

06/05

/2008

20/05

/2008

03/06

/2008

17/06

/2008

01/07

/2008

15/07

/2008

29/07

/2008

12/08

/2008

26/08

/2008

09/09

/2008

23/09

/2008

07/10

/2008

21/10

/2008

04/11

/2008

18/11

/2008

02/12

/2008

16/12

/2008

30/12

/2008

date

Cap

aciti

es (G

Wh/

Day

)

Maximum Minimum

Repairs on the midi pipe

Intelligent pigging on Rhône pipe between Tersanne and la Bégude

Intelligent pigging on Rhône pipe between Fos and Courthezon

Works on Courthezon station

Intelligent pigging on Rhône pipe between Tersanne and Granges

Safety control after intelligent pigging between Fos and Courthezon

Safety control after intelligent pigging between Tersanne and la Bégude

Repairs on the Provence pipe


Capacities with works at the Montoir LNG terminalaccording to the consumpion probability

0

50

100

150

200

250

300

350

400

450

500

01/01

/2008

15/01

/2008

29/01

/2008

12/02

/2008

26/02

/2008

11/03

/2008

25/03

/2008

08/04

/2008

22/04

/2008

06/05

/2008

20/05

/2008

03/06

/2008

17/06

/2008

01/07

/2008

15/07

/2008

29/07

/2008

12/08

/2008

26/08

/2008

09/09

/2008

23/09

/2008

07/10

/2008

21/10

/2008

04/11

/2008

18/11

/2008

02/12

/2008

16/12

/2008

30/12

/2008

date

Cap

aciti

es (G

Wh/

day)

Maximum Minimum

Intelligent pigging on the Maine pipe

Works on Nozay and Auvers

stations

Repairs on Loire pipe

Works on Nozay

Safety control on Maine pipe

Works on Auvers station

Works on Cherré station


Prospects

Customers input and feedback

GRTgaz sells a commodity but is also an industrial company

The constraints are becoming even tougher• Changes in French rules • Heavy investments in the network

We are looking at all ideas to reduce impacts• Reduce physical impacts • Design of the Sales offering • Level of Information to manage the restrictions• ….


Prospects

Maintenance schedule is identified as a strategic component in GRTgaz activity

Contribution of shippers and exchanges

Communication on the subject

If any of you are particularly interested in the subject

• E-mail : [email protected]


Visit of Cuvilly Compressor Station

Cuvilly is strategically located on the GRTgaz network : gaz coming in from Dunkerque and Taisnieres


Tour of Cuvilly Compressor Station

A new station• Works completed in 2007• Investments : 45 M€

Power : 2 x 7MW (+1 optional)

Max compression : 3 000 000 (n) m3/h from 58 to 67 bars

No operational teams on the plant • Automatic station• Remotely controlled from Paris



Cuvilly – a very recent plant


Documents

Maintenance Program - GRTgaz...W25 et 26 Pigging inspection in 2008 Fos 2 - St Martin DN 1100 – 27 km W41 and 42 GUYENNE 2 DN 900 – 125 km W 43 and 44 SERPAIZE – LES HAIES DN