AGH UST experience in modelling of CO2 injection into saline aquifers and hydrocarbon reservoirs

Stanisław NAGY, Łukasz KLIMKOWSKI,

Jacek BLICHARSKI, Szymon KUCZYNSKI,

Czesław RYBICKI, Rafał SMULSKI, Tomasz WLODEK,

Warsaw, 11th September, 2013

Carbon Capture & Storage

• CO2 emissions responsible for the greenhouse effect

• CO2 capture and storage – option to alleviate this effect

• Underground storage in oil and gas reservoirs, coal-seams or saline aquifers.

Faculties of AGH UST related to CO2 sequestration

•Faculty of Drilling, Oil and Gas •Faculty of Energy and Fuels •Faculty of Mining and Geoengineering • Faculty of Geology, Geophysics and Environment Protection

AGH UST – Activity in CO2 Projects

• National Program (2008-2012):

Recognition of structures and formations for safe geological storage of CO2 with monitoring program

Consortium: PiG, AGH, GIG, IGSMiE, INiG, PBG

Zaosie-Budzieszewice Structure - Potential Storage Site for Bełchatów Powerplant

static geological model of the formation

Zaosie-Budzieszewice Structure - Potential Storage Site for Bełchatów Powerplant

CO2 injection modelling

CO2 plume dynamics

Stezyca Gas Field – CO2-EGR

Rozansko Gas Field – H2S-EGR

AGH UST – Present Activity in 7FP

• Full title: Characterisation of European CO2 Storage

• Acronym: SiteChar

• Duration: 2011-2013

• Type of funding scheme: Collaborative Project

• Work programme topics addressed:

ENERGY.2010.5.2.1 – CCS- storage site

characterisation

• Name of the coordinating person:

Florence DELPRAT-JANNAUD

Partners in „SiteChar” project

Participant no. Participant legal name Country

1 (Coordinator) IFP IFP-Institut Français du pétrole France

2 - TNO Nederlandse Organisatie voor Toegepast Natuurwetenschappelijk Onderzoek

Netherlands

3 - SINTEF PR SINTEF Petroleumsforskning AS Norway

4 - GFZ Helmholtz-Zentrum Potsdam Deutsches GeoForschungsZentrum Germany

5 - NERC Natural Environment Research Council United Kingdom

6 - GEUS The Geological Survey of Denmark and Greenland Denmark

7 - AGH Akademia Gorniczo-Hutnicza im. Stanisbawa Staszica w Krakowie Poland

8 - UfU Independent Institute for Environmental Concerns Germany

9 - ECN Stichting Energieonderzoek Centrum Nederland Netherlands

10 - IMPERIAL Imperial College of Science, Technology and Medicine United Kingdom

11 - OGS Instituto Nazionale di Oceanografia e di Geofisica Sperimentale – OGS Italy

12 - UniRoma1-CERI Università Degli Studi di Roma La Sapienza Italy

13 - Vattenfall Vattenfall Research and Development AB Sweden

14 - PGNiG Polskie Górnictwo Naftowe i Gazownictwo SA Poland

15 - Enel Enel Ingegneria e Innovazione S.p.A Italy

16 – Statoil Statoil Petroleum AS Norway

17 – SG Scottish Government United Kingdom

SiteChar project actions

Zalecze-Zuchlow Depleted Gas Fields – Polish Site in SiteChar

• The Zuchlow-Zalecze (85-90% depleted gas field) cluster of fields are located in Western Poland: distances to CO2 production centers: Poznan ca 100 km (N), Wroclaw ca 100 km (S), Kedzierzyn Power station ca 200 km (SE).

• Both fields are located in Zielona Gora Basin on Presudetic Monocline. This tectonic structure had been formed in late Carboniferous period. Basin is filled by Permian and Mesozoic deposits. Gas field is located in Rotliegend inland deposits, eolian in upper parts. Both field are formed in small anticlines, storage complex scale is located at the depth of ca 1300 m; the reservoir (effective) thickness is about 130 m.

• Thickness of the structure ca 160 m.

• Area of Zalecze field: 20.3 km2

and area of Zuchlow field: 25.8 km2.

• Initial geological reserves are: Zalecze field – 22 Bcm, Zuchlow – 25Bcm. Both fields have aquifers connectivity – a very good isolation of reservoir is done by Zechstein evaporates.

• The reservoir rocks consist of conglomerates, sandstones, eolic sandstones.

• Mean porosity: 15%, mean permeability: ca 400 mD, faults and fractures – not discovered,

• Pressure: initial – ca 15 MPa, present – 2.3 – 3.0 MPa, Temperature: ca 47 oC.

• Seal type: Zechstein evaporates – salts, anhydrites, gypsum, and thickness - 250 m – 550 m. Outcrops, analogs – Cooper Mines – ca 30 km SW

Zalecze-Zuchlow Fields

SiteChar WP5: Characterisation of an onshore gas reservoir, Poland

Task 5.1: Data collection and verification of the data quality

Task 5.2: Construction of the static model at basin and reservoir scale

Task 5.3: Flow simulation and elements of geomechanics

Task 5.4: Study of permeability changes during injection / reactive flow simulation scale

Task 5.5: Identifying the key risk factors with FEP and scenario analysis

Task 5.6: Integrity analysis of all existing wells

Example of simulations results

Offshore CO2-EOR project (NCBiR project 2009-2013)

Oil stauratin in 1995

Oil sauration in 2012

Selection of wells for WAG injection

Example of calibration of reservoir model

Example of CO2/EOR simulation results

Software we use

CMG (Computer Modelling Group) simulators package:

• Builder – pre-processor for preparing the reservoir model

• WinProp - equation of state multiphase equilibrium property package – generates fluid model for all CMG’s simulators

• GEM – advanced general equation-of-state compositional simulator with special GHG calculation modules

• IMEX – blackoil model

• STARS – three-phase multi-component thermal and steam additive simulator with geomechanical model

• Results 3D-Graph-Report – post-processors

others:

• PETREL

• ECLIPSE

Laboratory Infrastructure

Permanent development of the laboratory infrastructure

• low permeability measurements

• treshold pressure

• geochemical reactions

Main research topics related to problem of safe CO2 storage in Poland

1. Screening criteria for CO2 storage site location

2. Safe transport of CO2 – requirements and recommendations for possible usage of working pipeline network

3. Risk analysis - multidisciplinary team approach

4. Risk analysis related to drilling into partially depleted oil/gas reservoirs

5. Pilot projects of safe CO2-EGR process

6. Pilot project of safe CO2-EOR process

Main research topics related to problem of safe CO2 storage in Poland– cont.

7. Caprock integrity studies

– Seismic 3D analysis – Local trap for CO2 storage closure analysis – Geo/Hydrochemical analysis – Hydrodynamic analysis (vertical interference

tests) – Pilot CO2 injection and monitoring – Geomechanical analysis – Cement carbonization problems – prevention

8. Pilot project of safe CO2 storage in deep saline aquifer

9. Mixing CO2/CH4 analysis for usage of CO2 as a

cushion in a classical underground gas storage

Thank You

For Your Attention!

stanislaw.nagy@agh.edu.pl