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Innovative materials and designs for long-life high-temperature geothermal wells

Deliverables

Test report on material properties at high temperatures

Task 4.2 Test report on material properties at high temperatures

Report on the status of well integrity and risk assessment methods

Task 6.1. Report of the status on well integrity and risk assessment methods and procedures in geothermal wells today – “Well integrity risk assessment in geothermal wells – status of today”)

Requirements and specifications for HTCC

Task 3.5. List of requirements and specifications for HTCC and chosen thermoplastic composite materials for pipes and connections.

Report on barrier definitions and risk assessment tools for geothermal wells

Task 6.3. A report containing barrier definitions for geothermal wells and corresponding risk assessment tools for the relevant barriers. Risk assessment methods that are developed will be documented in the same report – “Well integrity risk assessment for geothermal wells”

Report on the foundations for well integrity and risk assessment

Task 6.4 A report laying the foundations for geothermal well integrity and risk assessment – “The outline of a European protocol for geothermal well integrity and risk assessment”

Report on evaluating the newly developed materials

Task 6.5. A report evaluating to what degree the newly developed materials can replace existing technology and development of reliability methods for the new technologies – “A risk-based technology assessment of new tubulars and cement for geothermal wells”

Test report on flexible coupling in laboratory

Task 4.1. Test report on flexible coupling in laboratory

Report on well integrity and risk assmenent tools in oil&gas wells

Task 6.2. A report summarizing existing well integrity risk assessment tool used in oil & gas wells and which methods that are recommended to use for geothermal wells – “A roadmap for transferring well integrity risk assessment from oil and gas to geothermal”

Report on combined measurements in a geothermal well

Task 5.2. Report on the combined measurement of temperature, strain and noise in a cemented annulus of a geothermal well and its application to monitor the performance of casing and cement.

Report on candidate materials for coupling and casings

Task 4.2. Report on candidate materials for coupling and casings

Test report of in situ performance of cladded materials

Task 4.3. Test report of in situ performance of cladded materials.

Newsletter No 4

Task 2.3 Newsletters No 4

Mid-term conference

Task 2.5 Mid-term conference

Newsletter No 2

Task 2.3 Newsletters No 2

Website

Task 2.2 Website

Newsletter No 3

Task 2.3 Newsletters No 3

Information sheets, brochures

Task 2.4 Information sheets, brochures

Newsletter No 1

Task 2.3 Newsletter No 1

Final conference

Task 2.5 Final conference

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Publications

Changes in strength, static and dynamic deformation characteristics of cement exposed up to 500°C for geothermal applications

Author(s): Naumann, M., Vrålstad, T., Ter Heege, J.
Published in: 2020

GeoWell - Development, testing and modelling of cements for high temperature geothermal wells

Author(s): Ter Heege, J., Vercauteren, F., Naumann, M., Pipilikaki, P., Wollenweber, J.
Published in: 2018

An EU Initiative to Establish a Risk Assessment Framework for High Temperature Geothermal Wells

Author(s): Majoumerd, M.M., Lohne, H.P., Ford, E.P., Randeberg, E.
Published in: 2018

Reliability-Based Casing Design for Geothermal Wells

Author(s): Lohne, H.P., Skadsem, H.J., Randeberg, E., Aasen, J.A.
Published in: 2019

A New Approach to Mitigate Casing failures in High-Temperature Geothermal Wells

Author(s): Thorbjornsson, I., Kaldal, G.S., Gunnarsson, B.S., Ragnarsson, Á.
Published in: 2017

GeoWell - Innovative materials and designs for long-life high-temperature geothermal wells

Author(s): Ragnarsson, Á.
Published in: 2016

Discrete element modelling of wellbore integrity in high temperature geothermal reservoirs

Author(s): TerHeege, J.H., Orlic, B., Wollenweber, J.
Published in: 2017

Fodringar í ofurheitum borholum: Vandamal og lausnir (in Icelandic)

Author(s): Thorbjornsson, I.
Published in: 2017

Material Challenges for High Temperature Geothermal Wells

Author(s): Vercauteren, F., Pipilikaki, P., Wollenweber, J.
Published in: 2017

Thermal expansion of casings in geothermal wells and possible mitigation of resultant axial strain

Author(s): Skúlason Kaldal, G., Thorbjornsson, I.
Published in: 2016

Preliminary results from the EU-H2020 GeoWell Project

Author(s): Reinsch, T.
Published in: 2016

Integrity for high-temperature geothermal wells

Author(s): Randeberg, E.
Published in: 2016

Raising the standard of well integrity for high-temperature geothermal wells

Author(s): Majoumerd, M.M., Lohne, H.P., Ford, E.P., Randeberg, E.
Published in: 2017

Well integrity for high-temperature geothermal wells

Author(s): Randeberg, E.
Published in: 2016

Flexible coupling concept and material challenges in geothermal environment

Author(s): Skúlason Kaldal, G., Thorbjornsson, I.
Published in: 2017

Impact of in-situ ageing on the mineralogy and mechanical properties of Portland-based cement in geothermal applications

Author(s): Papaioannou, A.
Published in: 2018

Utilizing supercritical geothermal systems: a review of past ventures and ongoing research activities

Author(s): Thomas Reinsch, Patrick Dobson, Hiroshi Asanuma, Ernst Huenges, Flavio Poletto, Bernard Sanjuan
Published in: Geothermal Energy, Issue 5/1, 2017, ISSN 2195-9706
DOI: 10.1186/s40517-017-0075-y

GeoWell – Innovative Materials and Designs for Long-life High-temperature Geothermal Wells

Author(s): Ragnarsson, Á., Durst, P., Randeberg, E., Reinsch, T., Thorbjörnsson, I., Wollenweber, J., De Jong, W., Kampfer, G., Sigurdsson, O., Vercauteren, F.
Published in: Oil Gas-European Magazine, 2018, ISSN 0342-5622
DOI: 10.19225/180301

Gravel Pack Monitoring With a Strain Sensing Fiber Optic Cable

Author(s): Lipus, M. et.al.
Published in: Oil Gas European Magazine, 2018, ISSN 0342-5622
DOI: 10.19225/181202

Real-Time Well Integrity Monitoring using Fiber-Optic Distributed Acoustic Sensing

Author(s): Raab et.al.
Published in: SPE Journal, 2019, ISSN 1930-0220
DOI: 10.2118/195678-pa