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UNDERGROUND GAS STORAGE

7. Underground Gas Storage

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Page 1: 7. Underground Gas Storage

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UNDERGROUND

GAS STORAGE

Page 2: 7. Underground Gas Storage

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SUMMARY

• Purpose of Underground Gas Storage

• Seasonal swing • Security of supply • Economic aspects • Environmental Aspects

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PRIMARY ENERGY CONSUMPTION - IAE PROJECTION

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Gasverbrauch EU & Herkunft der Reserven

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Erdgasaufbringung (Angaben in %)

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Athen

Kopenhagen

Stockholm

Berlin

London

Lissabon

Algier

Brüssel

Madrid

Paris

Bern

Rom

Dublin

Belfast

Oslo

Helsinki

Wien

Warschau

Belgrad Bukarest

Prag

Bratislava

Budapest

Sofia

Ljubljana

Tunis

Kiew

Täbris

Astrachan

Istanbul

Ankara

Baku

Erzurum

Moskau

Uchta

St. Petersburg

Minsk Orenburg

Jamburg

Taschkent

Akmola

Urengoy

Aschchabad

in Betrieb

in Bau/Planung

Flüssigerdgas (LNG)- Anlandeterminal

in Bau/Planung

vorhanden

Erdgasleitungen

Gas aus Russland für Europa

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Entwicklung des grenzüberschreitenden

Gashandels

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Erdgasimport nach Österreich

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SEASONAL SWING

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in kg CO2/kWh

Brennstoffeinsatz

Erdgas 0.20

Gasöl 0.26

Schweröl 0.28

Steinkohle 0.33

Braunkohle 0.4

Erdgas ist im Hinblick auf Förderung, Transport, Lagerung und

Verbrennung der umweltschonendste und emissionsärmste unter

den fossilen Energieträgern.

Erdgasspeicher Haidach - allgemeine Informationen

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Speicheranlagen - Übersicht

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Speicheranlagen - Ausblick

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ENERGY PRICES

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UNDERGROUND GAS STORAGE

• Legal Permit

• Reservoir

•Facies, Porosity, drive mechanism, fracture gradient, pressure, temperature …)

• Wells

• Surface Facilities

• Pipeline

• Custody transfer

• Contracts

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Speicherarten

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LNG als wichtige Alternative

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UNDERGROUND STORAGE FACILITIES

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ROCK STRESSES

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LEACHING METHODS

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CAVERN SHAPE DELINEATION BY SONIC MEASUREMENTS

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CAVERN SIZE COMPARISON

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AQUIFER STORAGE

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CAVERN SHAPE MONITORING

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201

204

203

102 103

105

104

101

202

205

Erdgasspeicher Haidach - Bohrungen Phase I

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Subsurface: Geologie & Reservoir

Geolog. Model (Petrel) Statisches Model

Dynamisches Model Simulation (Eclips)

PLAN STATUS

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Subsurface: HAIDACH – SSH 40 - 70

-1100 m

-1079 m

initial

sekundär

HAID-001

HAID-002 HAID-SW-001

HAID-004

HAID-005

943 944

1058

993 1050

Base = 1140 m.

ca. 170 m.

Original WC in 1997

WC in March 2005

Well HSP 201 Log data Jan. 2006

WC is ~ 1078m - 1082m

Maximum Aquifer Case

Maximum Reservoir pressure : 187 bar

Maximum Injection THP : 170 bar

Minimum Aquifer Case

Maximum Reservoir pressure : 161 bar

Maximum Injection THP : 143 bar

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Fazies

Net-to-Gross Porosität Permeabilität

Die Lagerstätte Haidach ist das mächtigste Gasfeld des alpinen

Molasse-Vorlandes in Österreich.

Erdgasspeicher Haidach - Lagerstätte Haidach 3D Model

Durchschnittliche Teufe:

TVD = 1850 m

MD = 1600 m

Volumen:

Initial Gas in Place = 4.300 Mio. Nm³

Initialer Druck = 157 bar

Sand:

Porosität = 17 % Net to Gross Ratio = 63 %

Permeabilität = 400 mD Wassersättigung = 30 %

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DRILLING CHALLANGE

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STORAGE WELL DESIGN – GRAVEL PACK

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DELIVERABILITY IMPAIRMENT

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Typische Speicherstation

Erdgasspeicher Haidach - allgemeine Informationen

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Turboverdichter mit Antriebsmotor

ABG

Teich

ca. 1000 m³

Regenerationsgas

Erhitzer: ca. 2,9 MW

Regeneration

Gaskühler

ca. 8 MW therm.

ca. 45 kW elektrisch

Gasaufbereitung

Erdgasspeicher Haidach – Status Inbetriebnahme

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3D - Planning Tool Pictures

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3D - Planning Tool Pictures

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3D - Planning Tool Pictures

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3D - Planning Tool Pictures

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LOST TIME INCIDENT ANALYSIS - Field example

Analyse Beinaheunfälle 2006

15%

21%13%

13%

38%

Sturz und Fall Druck und Temperatur

Hebe/Transportarbeiten Verkehr

Sonstige

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A B C D E

0

50% 1 8

2 8

3 28%

4 1

5 6

22%

6 1

7 2

8 1 3

9

10 2

Sc

hw

ere

gra

d

A Kein bekannter Vorfall in der Industrie

B Bekannter Vorfall in der Industrie

C Vorfall im Betrieb bekannt

D Vorfall hat sich mehrmals im Betrieb ereignet

E Vorfall hat sich häufig ereignet

LTI, MTC, Near Misses – Field example 2006

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Ausblick

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Warum Erdgasspeicherung

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SUMMARY

• Purpose of Underground Gas Storage

• Seasonal swing • Security of supply • Economic aspects • Environmental Aspects

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UNDERGROUND

GAS STORAGE