grame optimized and sustainable reservoir...

GRAME – Optimized and sustainable reservoir

development for geothermal plants in the Bavarian

molasse basin Christian Hecht†, Christian Pletl, Johannes Linde

13.11.2017

SWM internÖffentlich

SWM Business Units

2 2

Power (Production, Distribution, Sales)

District Heating (Production, Distribution, Sales)

Gas (Distribution, Sales, Exploration)

Water (Production, Distribution, Sales)

Public Swimming Pools (Indoor, Outdoor,

Saunas, Ice Skating)

Mobility (MVG: Metro, Tram, Bus)

Telecommunication (Networks, Sales, M-Net)

IEA Asian Workshop on Geothermal Energy; Hanoi 13.11.2017

German heating market: stand still

3

Geman „Energiewende“ – electricity- versus heating market / actual situation

Quelle: BMWi

Quelle: UBA

Share of renewable energy

in the sectors electricity, heating and traffic


SWM: Renewable Energies Expansion Campaign

4

100% Renewable Energy Vision

2015 Power Private Customers

2025 Power All Customers

2040 Munich District Heating


The SWM district heating system

fully renewable from 2040

SWM: District Heating Vision

5

To achieve this vision, SWM aims at the continuous

development of deep geothermal resources


Geothermal – M-Energy Geological Conditions

6

Malm

Thermal Water Reservoir

Fractures, Karst, Facies

100

°C


7

Energy Supply SWM

7 IEA Asian Workshop on Geothermal Energy; Hanoi 13.11.2017

„ Optimized and Sustainable Reservoir Development for Deep Geothermal Plants in the

Bavarian Molasse Basin

Design of a 50 MWel Powerplant and Development of 400 MWth for the Munich District

Heating“

In Zusammenarbeit mit:

(joint)-research project GRAME (FKZ: 0325787A)

Costs [in €]

SWM: 1.071.000 €

third party: 5.610.000 € 1)

Total: 6.681.000 €

Funding BMWi: 3.340.500 €

Dates

Project started 19.01.15

Project end 31.09.18

Partners Erdwerk GmbH

Lehrstuhl für Energiesysteme TUM

Geophysik Geotechnik Leipzig GGL

Leibnitz-Institut für Angewandte Geophysik LIAG 1)


1) LIAG Project „GeoParaMoL“ within the joint program with own budget 1,2 Mio. € and 100% funding

Seismic-Survey (GRAME and Freiham)

in Munch and (possible) Projects


3D-Seismic

Freiham 2012

Freiham

Riem

GRAME-3D-Seismic

2015/16

Project

HKW Süd

10

Seismic Survey Design


Seismic Campaign 2015-2016

Surveys Parameters

3 D Seismic 170 km², 7587 Vibro Points, 35 Vibro Lines, Line Spacing 400 m in the

Northwest, 500 m in the Southeast

2 D Seismic 4 Lines of 6 km, Distance of Vibro Points 50 m

Sheawave

experiment

35 Vibro Points, 4 Vibro-Trucks, Distance of Vibro Points 500 m

Check-Shot-

Surveys

In the Riem Th1 and Freiham Th1 Wells, Distance of Measurement

Points 25 m, 130 Depth Levels, one external Vibro-Truck


Seismic Execution Scheme

12


Results:Interpretaion


Location

• required space

• infrastructure

• project development

Connection

• directly to network

• at a heat plant

• at a heat&power plant

Network

• existing assets

• new developments

• operations

Customer

• supply temperature

• return temperature

• LT network development

EcCalc

• value proposition

• optimization

Heat Concept Development


Freiham – the youngest City District of Munich

Injection Well

Prodution WellHeat Plant

A 99

B2

S8

Neu

au

bin

g

S4

Connection Pipe Produktion Well to

Heat Plant, Length approx. 205 m

Connection Pipe Heat Plant to Injection

Well, Length approx. 2.620 m

15

Freiham TH 1

Depth (TVD): 2518

Length (MD): 3132 m

Deviation: North

Freiham TH 2

Depth (TVD): 2457 m

Length (MD): 2600 m

Deviation: North


2500 m1

Production Well190°C

90l/s

2

2

ESP2

Heat Exchanger3

Injection Well4

Circulation Pump5

Peak Load Boiler6

6

5

3

6

48°C

4

3

5

HT-Heating Network

75-90°C/45°C

Gas Supply

Customer

35°C

60°C

LT-Heating Network 30°C

38°C

4

555°C

3

Functional Scheme Freiham

16IEA Asian Workshop on Geothermal Energy; Hanoi 13.11.2017

Testing Results Wells Freiham

17

Freiham TH1: 27.11.- 9.12.2015

Temperature: 90°C (Plan > 80°C)

Flow Volume: 90 l/s (Plan > 80 l/s)

Freiham TH2: 12.02.- 20.02.2016

Temperature: 90°C (Plan > 80°C)

Flow Volume: 100 l/s (Plan > 80 l/s)


Integration into the Seismic-Survey


vertical seismic profiling (31.03./01.04.)

Geothermal Plant „Schäftlarnstraße“ at power plant „Süd“

heat storage

Integration of

geothermal energy

capacity 2.000 MWh

geothermal plant

6 wells

spudding early 2018

commisioning 2019

Leistung 50 MW

district cooling

Ground water and

chillers

Einbindungsgebäude

Speicher und Geothermie

HD-Anlage

(stillgelegt)

heat storage

geothermal plant GuD2GuD1

GMH

d. cooling

Quelle: Google Earth

Isar Channel

Isar

)

19 IEA Asian Workshop on Geothermal Energy; Hanoi 13.11.2017

Work in Progress


drill pad under construction

spudding early in 2018

extensive logging (coreing) program

=> GRAME follow up GeoMaRe

Thanks for your attention!

grame optimized and sustainable reservoir...

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