Reference List VDD_July 2011 - DrillTec GUT GmbH

References for Deep Drilling, Borehole Stimulation & Workover
Project Rig Country Client Depth (MD) Performed works Year
Schoonebeek 1803
(currently under construction)
Römerberg H1
(currently under construction)
Blija-Ferwerderadeel-108
(currently under construction)
Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) about 1,173 m oil well 2011
Synergy I Germany Gaz de France SUEZ E&P Deutschland GmbH about 2,970 m water injection well 2011
Synergy II The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) about 4,187 m gas well 2011
Schoonebeek 1802 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,943 m oil well 2011
Schoonebeek 1801 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,776 m oil well 2011
Løve – 1 VarioRig Denmark GMT Exploration Company Denmark ApS 2,460 m hydrocarbon exploration 2011
Schoonebeek 1851 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,553 m steam injector well 2011
Schoonebeek 1852 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,537 m steam injector well 2011
Blaaksedijk -1 Synergy II The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 2,300 m gas well 2011
Schoonebeek 2303 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,510 m oil well 2011
Schoonebeek 2302 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,487 m oil well 2011
Schoonebeek 2301 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,437 m oil well 2011
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Project Rig Country Client Depth (MD) Performed works Year
Römerberg 2 Synergy I Germany Gaz de France SUEZ E&P Deutschland GmbH 2,637 m oil well 2011
Vries 8 Synergy II The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 3,623 m gas well 2011
Schoonebeek 2351 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,602 m steam injector well 2011
Schoonebeek 3052 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,452 m steam injector well 2011
Römerberg 3 Synergy I Germany Gaz de France SUEZ E&P Deutschland GmbH 2,725 m oil well 2011
Schoonebeek 2003 Synergy II The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,820 m oil well 2011
Schoonebeek 3051 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,634 m steam injector well 2011
Schoonebeek 2002 Synergy II The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,643 m oil well 2011
Schoonebeek 3091 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,050 m observation well 2011
Schoonebeek 2001 Synergy II The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,869 m oil well 2011
Schoonebeek 3092 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,046 m observation well 2011
Schoonebeek 2051 Synergy II The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,421 m steam injector well 2011
Schoonebeek 3001 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,647 m oil well 2010/2011
Schoonebeek 2052 Synergy II The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,709 m steam injector well 2010/2011
Schoonebeek 3002 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,886 m oil well 2010
Schoonebeek 2053 Synergy II The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,689 m steam injector well 2010
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Project Rig Country Client Depth (MD) Performed works Year
Schoonebeek 3003 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,431 m oil well 2010
Munnikezijl - 6 Synergy II The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 3,869 m gas well 2010
Schoonebeek 3004 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,550 m oil well 2010
Schoonebeek 3151 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,711 m steam injector well 2010
Schoonebeek 3101 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,580 m oil well 2010
Schoonebeek 3102 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,590 m oil well 2010
Schoonebeek 3103 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,771 m oil well 2010
Staffhorst Z1 Synergy I Germany Wintershall Holding AG 3,371 m gas well/side track 2010
Schoonebeek 2951 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,393 m steam injector well 2010
Schoonebeek 2901 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,355 m oil well 2010
Schoonebeek 2803 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,837 m oil well 2010
Zandt 11A Synergy II The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 3,100 m gas well/side track 2010
Schoonebeek 2802 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,445 m oil well 2010
Schoonebeek 2801 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,272 m oil well 2010
Numansdorp 1 Synergy II The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 2,520 m gas well 2010
Schoonebeek 2401 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,377 m oil well 2010
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Project Rig Country Client Depth (MD) Performed works Year
Schoonebeek 2451 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,171 m steam injector well 2010
Schoonebeek 2452 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,234 m steam injector well 2010
Schoonebeek 1001 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,581 m oil well 2010
Schoonebeek 2503 Synergy II The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,204 m oil well 2010
Schoonebeek 2502 Synergy II The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,472 m oil well 2010
Uchte T9 Synergy I Germany Wintershall Holding AG 3,538 m gas well 2010
Schoonebeek 1002 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,400 m oil well 2010
Schoonebeek 2501 Synergy II The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,370 m oil well/side track 2010
Schoonebeek 1101 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,416 m oil well 2010
Schoonebeek 2551 Synergy II The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,411 m steam injector well 2010
Schoonebeek 1151 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,738 m steam injector well 2010
Schoonebeek 2552 Synergy II The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,675 m steam injector well 2010
Schoonebeek 2553 Synergy II The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,117 m steam injector well 2010
Schoonebeek 1251 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,531 m steam injector well 2010
Schoonebeek 1201 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,639 m oil well 2010
Schoonebeek 1202 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,418 m oil well 2010
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Project Rig Country Client Depth (MD) Performed works Year
Gaag 6 Synergy II The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 4,720 m gas well 2009/2010
Schoonebeek 1702 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,326 m oil well 2009/2010
De Hoeve 1 VarioRig The Netherlands Vermilion Oil & Cas Netherlands B.V. 2,365 m gas well 2009/2010
Schoonebeek 1701 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,278 m oil well 2009
Schoonebeek 1751 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,353 m steam injector well 2009
Schoonebeek 1651 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 968 m steam injector well 2009
Middenmeer 3 VarioRig The Netherlands Vermilion Oil & Cas Netherlands B.V. 2,540 m gas well 2009
Munnikezijl 1a Synergy II The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 3,976 m gas well 2009
Bedernau Synergy I Germany Wintershall Holding AG 1,500 m oil well 2009
Middelburen 2 VarioRig The Netherlands Vermilion Oil & Cas Netherlands B.V. 3,761 m gas well 2009
Schoonebeek 1601 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,230 m oil well 2009
Vinkega 1 VarioRig The Netherlands Vermilion Oil & Gas Netherlands B.V. 2,322 m gas well 2009
Schoonebeek 1602 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,359 m oil well 2009
Schoonebeek 1352 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,400 m steam injector well 2009
Schoonebeek 1351 Compact The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,324 m steam injector well 2009
Schoonebeek 1391 VarioRig The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 970 m observation well 2009
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Project Rig Country Client Depth (MD) Performed works Year
Schoonebeek 1392 VarioRig The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 868 m observation well 2009
Schoonebeek 1301 VarioRig The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,620 m oil well 2009
Hardenberg 4 Synergy II The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 2,700 m workover 2009
Schoonebeek 1302 VarioRig The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,402 m oil well 2009
Westbeemster 2 Synergy II The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 3,600 m gas well 2009
Bierwang 502 Synergy I Germany E.On Gas Storage GmbH 2,210 m gas storage well 2009
Schoonebeek 1551 VarioRig The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,186 m steam injector well 2009
Schoonebeek 1501 VarioRig The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,506 m oil well 2009
Schoonebeek 1502 VarioRig The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 900 m oil well 2009
Schoonebeek 1503 VarioRig The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,111 m oil well 2009
Schoonebeek 1504 VarioRig The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,433 m oil well 2009
Schoonebeek 1505 VarioRig The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,443 m oil well 2009
Schoonebeek 1402 VarioRig The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,476 m oil well 2009
Schoonebeek 1401 VarioRig The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,400 m oil well 2009
Schoonebeek 1451 VarioRig The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,454 m steam injector well 2009
Schoonebeek 1452 VarioRig The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 1,540 m steam injector well 2009
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Project Rig Country Client Depth (MD) Performed works Year
Witten-3 Synergy II The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 3,600 m gas well 2009
Römerberg OA Synergy I Germany Gaz de France SUEZ E&P Deutschland GmbH 2,420 m oil well/side track 2009
Hoogezand HGZ 1 Synergy II The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 3,832 m gas well 2009
GSV1A Gasselternijveen Synergy II The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 3,560 m gas well 2008/2009
Schwabmünchen 5 VarioRig Germany Wintershall Holding AG 1,304 m oil well 2008
Geothermiebohrung Poing Th1 Synergy I Germany E.On Bayern Wärme GmbH 3,000 m geothermal well 2008
Bedum 4, Groningen Synergy II The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 3,501 m gas well 2008
Emlichheim 43 (306, 307, 308) VarioRig Germany Wintershall Holding AG 1,139 m (each) oil well 2008
Munnekezijl, Groningen Synergy II The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) - workover 2008
Geothermiebohrung Poing Th2 Synergy I Germany E.On Bayern Wärme GmbH 3,065 m geothermal well 2008
Engwierum1, Groningen Synergy II The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) - workover 2008
Ten Boer, Groningen Synergy II The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) - workover 2008
Bierwang BW 28 a Synergy I Germany E.On Ruhrgas AG 1,650 m side track 2008
Gasselternijveen, Groningen Synergy II The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) - workover 2008
Tietjerksteradeel 702, Groningen Synergy II The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 2,908 m gas well 2008
Saaksum #4, Groningen Synergy II The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 4,827 m gas well 2008
35

Project Rig Country Client Depth (MD) Performed works Year
Faan, Groningen Synergy II The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 3,600 m gas well 2007
Römerberg 1 VarioRig Germany Gaz de France Produktion Exploration Deutschland GmbH 2,960 m oil well 2007
Harlingen 11 Synergy I The Netherlands Vermilion Oil & Gas Netherlands B.V. 2,570 m gas well 2007
De Blesse Synergy I The Netherlands Vermilion Oil & Gas Netherlands B.V. 2,510 m gas well 2007
Harlingen 10 Synergy I The Netherlands Vermilion Oil & Gas Netherlands B.V. 2,220 m gas well 2007
Lauwerszijl #3, Groningen Synergy II The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 4,368 m gas well 2007
Lauwerszijl #2 , Groningen Synergy II The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 3,640 m gas well 2007
Merigon VarioRig France EnCana France S.A.S. 2,860 m (TVD) gas well 2007
Coevorden 58, Groningen Synergy II The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 3,680 m gas well 2007
Buma, Groningen Synergy II The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) - abandonment 2007
Ottoland Synergy I The Netherlands Northern Petroleum Nederland B.V. 3,230 m gas well 2007
Franquevielle VarioRig France EnCana France S.A.S. 2,620 m gas well 2007
Witten, Groningen Synergy I The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 4,050 m gas well 2007
Krabburen, Groningen Synergy I The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 4,264 m gas well/side track 2006
Steenwijk, Groningen Synergy I The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 2,680 m gas well 2006
Pasop, Groningen Synergy I The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 4,172 m gas well 2006
36

Project Rig Country Client Depth (MD) Performed works Year
Vries, Groningen Synergy I The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 4,076 m gas well 2006
In-situ Well Groß Schönebeck VarioRig Germany Geoforschungszentrum Potsdam (GFZ) appr. 4,500 m geothermal well 2006
Saaksum, Groningen Synergy I The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 3,964 m gas well 2006
Oude Pekela, Groningen Synergy I The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) appr. 3,500 m gas well 2006
Lauwerszijl #1, Groningen Synergy I The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 3,848 m gas well 2005
Oosterhesselen, Groningen Synergy I The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 3,881 m gas well/side track 2005
Leens, Groningen Synergy I The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 4,165 m slim hole drilling on gas field, 4 ½’’ 2005
Vledder, Groningen Synergy I The Netherlands NAM (Nederlandse Aardolie Maatschappij B.V.) 2,021 m (TVD) abandonment 2005
Horstberg Z-1 (main contractor) - Germany Bundesanstalt für Geowissenschaften und Rohstoffe workover, completion, circulation test 2004
Unterhaching GT 1 (main contractor) CombiRig Germany Geothermie Unterhaching GmbH 3,400 m geothermal well; air lift test, 8 ½’’ open hole 2004
Well Bad Urach 4 CombiRig Germany Stadtwerke Bad Urach 2,700 m geothermal well; 8 ½’’ open hole 2003
Unterlüß / 1 (main contractor) - Germany Bundesanstalt für Geowissenschaften und Rohstoffe 3,900 - 4,200 m hydraulic stimulation (water frac) 2003
Speyer GTB 1 CombiRig Germany First GeoTherm GmbH 2,858 m drilling works, 6’’ open hole 2003
Groß Schönebeck 4 - Germany GeoForschungsZentrum Postdam 4,000 m hydraulic Stimulation (water frac) 2002
Bad Urach 3 CombiRig Germany Stadtwerke Bad Urach 3,700 - 4,300 m hydraulic Stimulation (water frac) 2002
37