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{{advert|date=November 2014}}
{{advert|date=November 2014}}
{{Infobox company
{{Infobox company
| name = GA Drilling
| name = GA Drilling
| logo = GA_Drilling_logo.png
| logo = GA_Drilling_logo.png
| logo_size = 220
| logo_size = 220
| founder = Igor Kocis (CEO), Tomas Kristofic (CTO), Ivan Kocis (Chief Scientist), Dusan Kocis (COO)
| founder =
| location = Bratislava, Slovakia
| key_people = Igor Kocis (CEO)<br>Tomas Kristofic (CTO)<br>Ivan Kocis (Chief Scientist)<br>Dusan Kocis (COO)
| industry = Geothermal energy, deep drilling
| location = Vapenka 4, 841 07 Bratislava, Slovakia / London, UK / Houston / USA
| homepage = {{URL|http://www.gadrilling.com}}
| industry = Cutting and Milling tools, Drilling systems
| homepage = {{URL|http://www.gadrilling.com}}
}}
}}


'''GA Drilling''' (former Geothermal Anywhere) is a high technology company headquartered in Bratislava (Slovakia) with branches in Bristol and Aberdeen (UK) and Abu Dhabi (UAE). The company was founded in 1994 and rebranded as GA Drilling in August 2013.<ref>[http://www.energia.sk/weekly-energy-review/vsetky-sekcie/geothermal-anywhere-announces-rebranding-to-ga-drilling/10295/ Geothermal Anywhere announces rebranding to GA Drilling ]. Energia.sk. May 10, 2013. Retrieved on November 22, 2013</ref> GA Drilling is developing and commercializing PLASMABIT technology platform which provides drilling and milling tool for challenging the most comprehensive industry issues. PLASMABIT is based on high-energy [[Plasma deep drilling technology|electric plasma]] enabling to operate at a constant speed with no need for changing tool. PLASMABIT applications are primarily addressed to [[Petroleum industry|oil and gas]], [[Geothermal power|geothermal energy]] and [[Underground mining (hard rock)|mining]] industries. Technology development is assisted by companies operating in oil and gas business. Main actors are identified as O&G Operators, Oilfield Service Providers, Energy Utilities and companies providing decommissioning of oil and gas structures. GA Drilling is also active within drilling community through participation at several industry events.<ref>[http://www.gadrilling.com/ga-drilling-exhibits-at-iadc-world-drilling-2014-conference-exhibition-in-vienna-austria/ GA Drilling exhibits at IADC World Drilling 2014 Conference & Exhibition in Vienna, Austria]. GA Drilling website. June 23, 2014. Retrieved on July 14, 2014</ref>
'''GA Drilling''' (formerly ''Geothermal Anywhere'') is a drilling and geothermal energy company in [[Bratislava|Bratislava, Slovakia]] with branches in [[Bristol]] (UK), [[Abu Dhabi]] (UAE), and headquartered in [[Houston]] (US). The company was founded in 1994 and rebranded as GA Drilling in August 2013.<ref>[http://www.energia.sk/weekly-energy-review/vsetky-sekcie/geothermal-anywhere-announces-rebranding-to-ga-drilling/10295/ Geothermal Anywhere announces rebranding to GA Drilling ] {{Webarchive|url=https://web.archive.org/web/20140714234444/http://www.energia.sk/weekly-energy-review/vsetky-sekcie/geothermal-anywhere-announces-rebranding-to-ga-drilling/10295/ |date=2014-07-14 }}. Energia.sk. May 10, 2013. Retrieved on November 22, 2013</ref> GA Drilling is also active within the drilling community through participation in several industry events.<ref>[http://www.gadrilling.com/ga-drilling-exhibits-at-iadc-world-drilling-2014-conference-exhibition-in-vienna-austria/ GA Drilling exhibits at IADC World Drilling 2014 Conference & Exhibition in Vienna, Austria]. GA Drilling website. June 23, 2014. Retrieved on July 14, 2014</ref>


==Projects==
== Technology ==

GA Drilling is applying for grants from public sources in order to create complementary environment for solving industrial challenges. Company is active in [[Horizon 2020]], Framework Programme 7 (FP7) Integrated projects, Cross-border, National projects and Structural funds of the European Union.<ref>[http://thinkgeoenergy.com/archives/3676/ Drilling technology firm Geothermal Anywhere receives US$3.7m EU funding]. Thinkgeoenergy. February 11, 2010. Retrieved on May 5, 2010</ref>
[[Image:PLASMABIT Drilling tool.jpg|thumb|PLASMABIT Drilling, suitable mainly in a hard rock environment]]'''Plasmabit''' is a pulsed plasma drilling system. A rotating [[plasma torch]] uses ionized gas at 6,000 °C (10,800 °F) to crack and weaken the rock, while high-pressure water mechanically removes rock chips and flushes them to the surface.<ref name=":0">{{Cite web |last=Blain |first=Loz |date=2023-06-07 |title="Walking" anchor and plasma drill promise cheap, deep geothermal power |url=https://newatlas.com/energy/ga-drilling-deep-geothermal/ |access-date=2023-06-08 |website=New Atlas |language=en-US}}</ref>

'''Anchorbit''' progressively moves the borehead deeper into the well. It consists of two stacked collar sections behind the drill bit. Each section has four ranks of pistons that can extend and grip the bore shaft. The sections can move independently. While one section grips the bore, the other moves closer to the drill bit. Then the moving section grips while the other moves down. Drilling continues throughout the cycle. The company claims that it doubles the drilling rate through hard rock while doubling drill bit lifespan.<ref name=":0" />


==Patent portfolio==
==Patent portfolio==
GA Drilling owns 23+ intellectual property rights (IPR‘s) for technologies in deep drilling and material disintegration in distinct patent zones (Patents were issued by the US Patent and Trademark Office, European Patent Office, GA Drilling Intellectual Property Office of Slovak Republic)<ref>[https://patents.google.com/patent/WO2014098776A2/en/ Multimodal rock disintegration by thermal effect and system for performing the method]. Google Patents. June 26, 2014. Retrieved on June 26, 2014</ref>
[[Image:PLASMABIT Drilling tool.jpg|thumb|PLASMABIT Drilling, suitable mainly in a hard rock environment]]
GA Drilling owns 16 intellectual property rights (IPR‘s) for technologies in the deep drilling and material disintegration in distinct patent zones (Patents were issued by US Patent and Trademark Office, European Patent Office, Intellectual Property Office of Slovak Republic)<ref>[http://www.google.com/patents/WO2014098776A2?cl=en/ Multimodal rock disintegration by thermal effect and system for performing the method]. Google Patents. June 26, 2014. Retrieved on June 26, 2014</ref>


==Partner network==
==Partner network==


=== R&D network ===
'''R&D network'''


GA Drilling has created or is a co-founder of the network of technology organizations in European Union, mainly in the Central European region.<ref>[http://www.energia.sk/weekly-energy-review/vsetky-sekcie/technology-company-from-slovakia-visited-australia/1588/ CASE: Geothermal Anywhere on official visit in Australia]. Energia.sk. December 7, 2010. Retrieved on May 5, 2010</ref> Its partner network consists of Slovak ([[Slovak University of Technology]], [[University of Zilina]], [[Comenius University]], institutes of the [[Slovak Academy of Sciences]]) and European organisations ([[Weatherford International|Weatherford UK Ltd]],<ref>[https://www.innovateuk.org/press-releases/-/asset_publisher/u5igfmj8gOAf/content/smes-to-help-oil-and-gas-sector-to-innovate?redirect=https%3A%2F%2Fwww.innovateuk.org%2Fpress-releases%3Fp_p_id%3D101_INSTANCE_u5igfmj8gOAf%26p_p_lifecycle%3D0%26p_p_state%3Dnormal%26p_p_mode%3Dview%26p_p_col_id%3Dcolumn-1%26p_p_col_count%3D1%26_101_INSTANCE_u5igfmj8gOAf_advancedSearch%3Dfalse%26_101_INSTANCE_u5igfmj8gOAf_keywords%3D%26_101_INSTANCE_u5igfmj8gOAf_delta%3D20%26p_r_p_564233524_resetCur%3Dfalse%26_101_INSTANCE_u5igfmj8gOAf_cur%3D6%26_101_INSTANCE_u5igfmj8gOAf_andOperator%3Dtrue SMEs to help oil and gas sector to innovate]. Innovate UK. October 11, 2012. Retrieved on July 14, 2014</ref> [[Imerys]],<ref>[http://www.stoicism.eu/members Members]. Stoicism FP7 project. March 1, 2013. Retrieved on July 14, 2014</ref> EGS Energy<ref>[http://thinkgeoenergy.com/archives/6265/ UK: Egs Energy Forms Alliance With Slovakian Drilling Technology Pioneers]. Thinkgeoenergy. October 29, 2010. Retrieved on May 5, 2010</ref>, Altus Intervention UK<ref>[https://www.gadrilling.com/building-service-alliance-plug-abandonment-north-sea/ Building our Service Alliance for Plug and Abandonment in the North Sea]. www.gadrilling.com</ref>). GA Drilling is also a member of European Geothermal Energy Council (EGEC), European Technology Platform on Renewable Heating and Cooling (ETP-RHC), Decom North Sea (DNS), as well as European Technology Platform on Sustainable Mineral Resources (ETP-SMR).
GA Drilling has created or is a co-founder of the network of technology organizations in the European Union, mainly in the Central European region.<ref>[http://www.energia.sk/weekly-energy-review/vsetky-sekcie/technology-company-from-slovakia-visited-australia/1588/ CASE: Geothermal Anywhere on an official visit in Australia] {{Webarchive|url=https://web.archive.org/web/20101228171601/http://www.energia.sk/weekly-energy-review/vsetky-sekcie/technology-company-from-slovakia-visited-australia/1588/ |date=2010-12-28 }}. Energia.sk. December 7, 2010. Retrieved on May 5, 2010</ref> Its partner network consists of Slovak ([[Slovak University of Technology]], [[University of Zilina]], [[Comenius University]], institutes of the [[Slovak Academy of Sciences]]) and European organisations ([[Weatherford International|Weatherford UK Ltd]],<ref>[https://www.innovateuk.org/press-releases/-/asset_publisher/u5igfmj8gOAf/content/smes-to-help-oil-and-gas-sector-to-innovate?redirect=https%3A%2F%2Fwww.innovateuk.org%2Fpress-releases%3Fp_p_id%3D101_INSTANCE_u5igfmj8gOAf%26p_p_lifecycle%3D0%26p_p_state%3Dnormal%26p_p_mode%3Dview%26p_p_col_id%3Dcolumn-1%26p_p_col_count%3D1%26_101_INSTANCE_u5igfmj8gOAf_advancedSearch%3Dfalse%26_101_INSTANCE_u5igfmj8gOAf_keywords%3D%26_101_INSTANCE_u5igfmj8gOAf_delta%3D20%26p_r_p_564233524_resetCur%3Dfalse%26_101_INSTANCE_u5igfmj8gOAf_cur%3D6%26_101_INSTANCE_u5igfmj8gOAf_andOperator%3Dtrue SMEs to help oil and gas sector to innovate] {{Webarchive|url=https://web.archive.org/web/20140715093426/https://www.innovateuk.org/press-releases/-/asset_publisher/u5igfmj8gOAf/content/smes-to-help-oil-and-gas-sector-to-innovate?redirect=https%3A%2F%2Fwww.innovateuk.org%2Fpress-releases%3Fp_p_id%3D101_INSTANCE_u5igfmj8gOAf&p_p_lifecycle=0&p_p_state=normal&p_p_mode=view&p_p_col_id=column-1&p_p_col_count=1&_101_INSTANCE_u5igfmj8gOAf_advancedSearch=false&_101_INSTANCE_u5igfmj8gOAf_keywords=&_101_INSTANCE_u5igfmj8gOAf_delta=20&p_r_p_564233524_resetCur=false&_101_INSTANCE_u5igfmj8gOAf_cur=6&_101_INSTANCE_u5igfmj8gOAf_andOperator=true |date=2014-07-15 }}. Innovate UK. October 11, 2012. Retrieved on July 14, 2014</ref> [[Imerys]],<ref>[http://www.stoicism.eu/members Members] {{Webarchive|url=https://web.archive.org/web/20140715025500/http://www.stoicism.eu/members |date=2014-07-15 }}. Stoicism FP7 project. March 1, 2013. Retrieved on July 14, 2014</ref> EGS Energy,<ref>[http://thinkgeoenergy.com/archives/6265/ UK: Egs Energy Forms Alliance With Slovakian Drilling Technology Pioneers]. Thinkgeoenergy. October 29, 2010. Retrieved on May 5, 2010</ref> Altus Intervention UK<ref>[https://www.gadrilling.com/building-service-alliance-plug-abandonment-north-sea/ Building our Service Alliance for Plug and Abandonment in the North Sea]. www.gadrilling.com</ref>). GA Drilling is also a member of European Geothermal Energy Council (EGEC), European Technology Platform on Renewable Heating and Cooling (ETP-RHC), East of England Energy Group (EEEGR), Energy Industries Council (EIC), as well as European Technology Platform on Sustainable Mineral Resources (ETP-SMR).


'''Agreement with Schoeller-Bleckmann'''
=== PLASMABIT Joint Industry Project ===


In July 2013, GA Drilling announced that it has concluded a technology development and strategic investment agreement with Schoeller-Bleckmann Oilfield Equipment, a maker of components for the oil service industry. The partnership is focused on the development of PLASMABIT technology and meeting major challenges of the drilling industry.<ref>[http://geothermania.blogspot.sk/2013/07/ga-drilling-announces-technology_2551.html GA Drilling Announces Technology Development and Strategic Investment Agreement with Schoeller-Bleckmann Oilfield Equipment AG]. Geothermania.blogspot.sk. July 29, 2013. Retrieved on November 22, 2013</ref> This partnership ensures component supplies are manufactured by SBO and allows GA Drilling to further develop its patented PLASMABIT technology. Investment supports the completion of 3rd generation of plasma disintegration devices and test-rig construction for drilling at deeper depths.
[[Image:PLASMABIT Milling.jpg|thumb|PLASMABIT Milling – designed for decommissioning of oil and gas structures]]
For O&G industry partners, GA Drilling have created an platform – PLASMABIT Joint Industry Project, in order to share acquired knowledge and technology in mutual partnership. PLASMABIT JIP´s goal is the development of the core technology focused on steel milling and hard rock drilling with enhanced ROP.

=== Agreement with Schoeller-Bleckmann ===

In July 2013, GA Drilling announced that it has concluded a technology development and strategic investment agreement with Schoeller-Bleckmann Oilfield Equipment, the global market leader for high-precision components for the oil service industry. The partnership is focused on development of PLASMABIT technology and to meet major challenges of the drilling industry.<ref>[http://geothermania.blogspot.sk/2013/07/ga-drilling-announces-technology_2551.html GA Drilling Announces Technology Development and Strategic Investment Agreement with Schoeller-Bleckmann Oilfield Equipment AG]. Geothermania.blogspot.sk. July 29, 2013. Retrieved on November 22, 2013</ref> This partnership ensures component supplies manufactured by SBO and allows GA Drilling to further develop its patented PLASMABIT technology. Investment supports the completion of 3rd generation of plasma disintegration device and test-rig construction for drilling at deeper depths.


==GA Drilling Technology Center==
==GA Drilling Technology Center==


[[Image:GA Drilling testing rig.jpg|thumb|Drilling rig of GA Drilling for PLASMABIT technology testing]]
[[Image:GA Drilling testing rig.jpg|thumb|Drilling rig of GA Drilling for PLASMABIT technology testing]]
On 11 October 2012 GA Drilling established '''GA Drilling Technology Center''' in Bratislava, Slovakia.<ref>[http://www.geothermalanywhere.com/en/deep-drilling-center.html Pýtame sa: Tomáš Krištofič: Centrum pre hĺbkové vrty je výrazným posunom vpred]. Energia.sk. October 15, 2012. Retrieved on December 29, 2012.</ref> The previous laboratory - [[Research Centre for Deep Drilling]] - was established On November 10, 2010 by Geothermal Anywhere in the premises of the Slovak Academy of Sciences.
On 11 October 2012, GA Drilling established '''GA Drilling Technology Center''' in Bratislava, Slovakia.<ref>[http://www.geothermalanywhere.com/en/deep-drilling-center.html Pýtame sa: Tomáš Krištofič: Centrum pre hĺbkové vrty je výrazným posunom vpred]. Energia.sk. October 15, 2012. Retrieved on December 29, 2012.</ref> The previous laboratory—[[Research Centre for Deep Drilling]]—was established On 10 November 2010, by Geothermal Anywhere on the premises of the Slovak Academy of Sciences.

==Certifications and Accreditations==
2018:
* Gaining support of European leaders in energetics associated in InnoEnergy <ref>[https://www.etrend.sk/technologie/ga-drilling-si-pri-vstupe-na-trh-pomoze-investiciou-od-innoenergy.html]</ref>.
* GA Drilling assessed as a qualified supplier for oil & gas<ref>[https://www.gadrilling.com/our-registration-in-fpal-achilles-approved/]</ref>.
* Entering the community of energy businesses The East of England Energy Group (EEEGR)<ref>[https://www.gadrilling.com/membership-in-eeegr-is-fundamental-for-ga-drillings-objectives/]</ref>.

2017:
* PLASMABIT milling sustained a statement of feasibility by DNV GL certification authority<ref>[https://www.gadrilling.com/dnv-gl-proved-ga-drillings-milling-system-feasible/ DNV GL Proved That GA Drilling’s Milling System is Feasible].</ref>
* PLASMABIT technology successfully went through an independent assessment by the Inspection Verification Bureau (IVB) certification authority.
* The company successfully sustained requirements of EN ISO 9001:2015 and confirmed that the quality of our services and processes is continuously improving.
* GA Drilling got the accreditation of the EN ISO 14001:2015 environmental management system.



==Awards and honours==

* ''PLASMABIT at the Summer Olympic Games Rio de Janeiro 2016''
Our technology was an integral part of permanent exhibition of the Slovak Olympic House in Rio de Janeiro 2016 as one of the flagships of hi-tech innovations with global potential.<ref>[https://www.gadrilling.com/plasmabit-olympics-rio-2016/ PLASMABIT at Slovak Olympic House RIO 2016].</ref>
* ''GA Drilling among the top tech innovative Slovak companies in Brussels in 2016''
Slovak Presidency in the Council of European Union unveiled the visual presentation of 4 country’s technology inventions in the Justus Lipsius building, Brussels, GA Drilling's PLASMABIT included.<ref>[https://www.gadrilling.com/visual-presentation-slovak-presidency-gadrilling/ GA Drilling at visual presentation along Slovak Presidency].</ref>
* ''UKTI Award for Innovation, EBA 2014/15''
National Champion in the United Kingdom Trade & Investment Award for Innovation, European Business Awards 2014/15.<ref>[https://www.gadrilling.com/ga-drilling-european-business-awards/ GA Drilling named national champion in the European Business Awards (EBA) 2014/15]</ref>
* ''Top 8 Cleantech, EVC 2012''
Top 8 Cleantech companies at the European Venture Contest 2012 <ref>[http://e-unlimited.com/events/view.aspx?events_pages_id=1662/ EVC 2012 - Top 25]. European Venture Contest. December 10, 2012. Retrieved on October 15, 2014</ref>
* ''Special Price, Ministry of Education, Science, Research and Sport of Slovakia''
Prize for outstanding presentation of the results of research in 2012 by Minister of Education, Science, Research and Sport of Slovakia, Dusan Caplovic.<ref>[http://www.gadrilling.com/special-prize-for-geothermal-anywhere/ Special prize for GA Drilling (former Geothermal Anywhere)]. GA Drilling.com. November 25, 2012. Retrieved on October 15, 2014</ref>


==See also==
==See also==
Line 71: Line 42:
==References==
==References==
{{reflist}}
{{reflist}}

==External links==
*[http://www.gadrilling.com/ gadrilling.com]


[[Category:Drilling technology]]
[[Category:Drilling technology]]
[[Category:Oil wells]]
[[Category:Oil wells]]
[[Category:Technology companies of Slovakia]]
[[Category:Geothermal drilling]]
[[Category:Geothermal drilling]]
[[Category:Geothermal energy]]
[[Category:Geothermal energy]]
[[Category:Mining engineering companies]]
[[Category:Mining engineering companies]]
[[Category:Companies based in Bratislava]]
[[Category:Companies based in Bratislava]]
[[Category:Slovak brands]]

Latest revision as of 10:32, 23 July 2024

GA Drilling
IndustryGeothermal energy, deep drilling
HeadquartersBratislava, Slovakia
Key people
Igor Kocis (CEO)
Tomas Kristofic (CTO)
Ivan Kocis (Chief Scientist)
Dusan Kocis (COO)
Websitewww.gadrilling.com

GA Drilling (formerly Geothermal Anywhere) is a drilling and geothermal energy company in Bratislava, Slovakia with branches in Bristol (UK), Abu Dhabi (UAE), and headquartered in Houston (US). The company was founded in 1994 and rebranded as GA Drilling in August 2013.[1] GA Drilling is also active within the drilling community through participation in several industry events.[2]

Technology

[edit]
PLASMABIT Drilling, suitable mainly in a hard rock environment

Plasmabit is a pulsed plasma drilling system. A rotating plasma torch uses ionized gas at 6,000 °C (10,800 °F) to crack and weaken the rock, while high-pressure water mechanically removes rock chips and flushes them to the surface.[3]

Anchorbit progressively moves the borehead deeper into the well. It consists of two stacked collar sections behind the drill bit. Each section has four ranks of pistons that can extend and grip the bore shaft. The sections can move independently. While one section grips the bore, the other moves closer to the drill bit. Then the moving section grips while the other moves down. Drilling continues throughout the cycle. The company claims that it doubles the drilling rate through hard rock while doubling drill bit lifespan.[3]

Patent portfolio

[edit]

GA Drilling owns 23+ intellectual property rights (IPR‘s) for technologies in deep drilling and material disintegration in distinct patent zones (Patents were issued by the US Patent and Trademark Office, European Patent Office, GA Drilling Intellectual Property Office of Slovak Republic)[4]

Partner network

[edit]

R&D network

GA Drilling has created or is a co-founder of the network of technology organizations in the European Union, mainly in the Central European region.[5] Its partner network consists of Slovak (Slovak University of Technology, University of Zilina, Comenius University, institutes of the Slovak Academy of Sciences) and European organisations (Weatherford UK Ltd,[6] Imerys,[7] EGS Energy,[8] Altus Intervention UK[9]). GA Drilling is also a member of European Geothermal Energy Council (EGEC), European Technology Platform on Renewable Heating and Cooling (ETP-RHC), East of England Energy Group (EEEGR), Energy Industries Council (EIC), as well as European Technology Platform on Sustainable Mineral Resources (ETP-SMR).

Agreement with Schoeller-Bleckmann

In July 2013, GA Drilling announced that it has concluded a technology development and strategic investment agreement with Schoeller-Bleckmann Oilfield Equipment, a maker of components for the oil service industry. The partnership is focused on the development of PLASMABIT technology and meeting major challenges of the drilling industry.[10] This partnership ensures component supplies are manufactured by SBO and allows GA Drilling to further develop its patented PLASMABIT technology. Investment supports the completion of 3rd generation of plasma disintegration devices and test-rig construction for drilling at deeper depths.

GA Drilling Technology Center

[edit]
Drilling rig of GA Drilling for PLASMABIT technology testing

On 11 October 2012, GA Drilling established GA Drilling Technology Center in Bratislava, Slovakia.[11] The previous laboratory—Research Centre for Deep Drilling—was established On 10 November 2010, by Geothermal Anywhere on the premises of the Slovak Academy of Sciences.

See also

[edit]

References

[edit]
  1. ^ Geothermal Anywhere announces rebranding to GA Drilling Archived 2014-07-14 at the Wayback Machine. Energia.sk. May 10, 2013. Retrieved on November 22, 2013
  2. ^ GA Drilling exhibits at IADC World Drilling 2014 Conference & Exhibition in Vienna, Austria. GA Drilling website. June 23, 2014. Retrieved on July 14, 2014
  3. ^ a b Blain, Loz (2023-06-07). ""Walking" anchor and plasma drill promise cheap, deep geothermal power". New Atlas. Retrieved 2023-06-08.
  4. ^ Multimodal rock disintegration by thermal effect and system for performing the method. Google Patents. June 26, 2014. Retrieved on June 26, 2014
  5. ^ CASE: Geothermal Anywhere on an official visit in Australia Archived 2010-12-28 at the Wayback Machine. Energia.sk. December 7, 2010. Retrieved on May 5, 2010
  6. ^ SMEs to help oil and gas sector to innovate Archived 2014-07-15 at the Wayback Machine. Innovate UK. October 11, 2012. Retrieved on July 14, 2014
  7. ^ Members Archived 2014-07-15 at the Wayback Machine. Stoicism FP7 project. March 1, 2013. Retrieved on July 14, 2014
  8. ^ UK: Egs Energy Forms Alliance With Slovakian Drilling Technology Pioneers. Thinkgeoenergy. October 29, 2010. Retrieved on May 5, 2010
  9. ^ Building our Service Alliance for Plug and Abandonment in the North Sea. www.gadrilling.com
  10. ^ GA Drilling Announces Technology Development and Strategic Investment Agreement with Schoeller-Bleckmann Oilfield Equipment AG. Geothermania.blogspot.sk. July 29, 2013. Retrieved on November 22, 2013
  11. ^ Pýtame sa: Tomáš Krištofič: Centrum pre hĺbkové vrty je výrazným posunom vpred. Energia.sk. October 15, 2012. Retrieved on December 29, 2012.