World Fleet of Semi-Submersible Drilling Rigs

Most recent update: November 15, 2011.

Rigs highlighted in blue are those under construction.

Operator Rig Name Design Builder Country of Build Year Built Water Depth (ft.) Drilling Depth (ft.)
Atwood Oceanics Atwood Condor F&G ExD SembCorp Singapore 2012 10,000 40,000
Atwood Oceanics Atwood Eagle New Era Alabama Shipyard USA 1982 2,000 30,000
Atwood Oceanics Atwood Falcon New Era Alabama Shipyard USA 1983 3,500 30,000
Atwood Oceanics Atwood Hunter New Era Alabama Shipyard USA 1981 3,500 30,000
Atwood Oceanics Atwood Osprey F&G ExD SembCorp Singapore 2011 10,000 40,000
Atwood Oceanics Atwood Southern Cross New Era Evans-Deakin Australia 1976 2,000 20,000
Awilco Wilhunter F&G L-907 enhanced Daewoo Korea 1983 1,800 25,000
Awilco Wilphoenix F&G L-907 enhanced Gotaverken Arendal  Sweden 1982 1,200 25,000
Caspian Drilling Dada Gorgud F&G L-907 enhanced Rauma Repola Finland 1980 1,500 25,000
Caspian Drilling Istiglal F&G 9500 enhanced Astrakhan Russia 1993 2,300 25,000
China Oilfield Services COSLInnovator GM 4000 Yantai Raffles China 2011 2,500 30,000
China Oilfield Services COSLPioneer GM 4000 Yantai Raffles China 2010 2,500 30,000
China Oilfield Services COSLPromotor GM 4000 Yantai Raffles China 2012 2,500 30,000
China Oilfield Services COSLProspector GM 4000 Yantai Raffles China 2013 2,500 30,000
China Oilfield Services Hai Yang Shi Yu 981 F&G ExD Waigaoqiao Shipyard China 2011 10,000 40,000
China Oilfield Services Nanhai II Aker H-3 Aker Oslo Norway 1974 1,000 25,000
China Oilfield Services Nanhai V F&G L-945 Framnaes Norway 1983 1,500 25,000
Crosco Integrated Zagreb 1 Pentagone 91 Dunkerque France 1977 1,500 20,000
Delba Perf. Delba IV MSC TDS 2000 IMAC Abu Dhabi U.A.E. 2013 9,000 25,000
Diamond Offshore Ocean Alliance Odyssey Class Modified Scott-Lithgow Scotland 1988 5,000 25,000
Diamond Offshore Ocean Ambassador Bethlehem SS-2000 Bethlehem Beaumont USA 1975 1,100 25,000
Diamond Offshore Ocean America Odyssey Class Hyundai  Korea 1988 5,000 30,000
Diamond Offshore Ocean Baroness Victory class Avondale USA 1973 1,200 25,000
Diamond Offshore Ocean Bounty Victory class enhanced Mitsubishi Hiroshima Japan 1977 1,500 25,000
Diamond Offshore Ocean Concord Zapata SS-2000 Avondale USA 1975 2,350 25,000
Diamond Offshore Ocean Confidence Aker H-3.2 Mitsui Tamano Japan 1987 7,500 30,000
Diamond Offshore Ocean Courage F&G ExD SembCorp Singapore 2009 10,000 40,000
Diamond Offshore Ocean Endeavor Victory class Transfield Australia 1975 2,000 25,000
Diamond Offshore Ocean Epoch New Era class Alabama Shipyard USA 1977 1,200 25,000
Diamond Offshore Ocean General New Era class Alabama Shipyard USA 1976 1,500 25,000
Diamond Offshore Ocean Guardian Sedco 700 Scott-Lithgow Scotland 1985 1,500 26,000
Diamond Offshore Ocean Lexington Zapata SS-2000 Avondale USA 1976 2,500 25,000
Diamond Offshore Ocean Monarch Victory class Nylands Norway 1974 3,300 25,000
Diamond Offshore Ocean New Era New Era class Alabama Shipyard USA 1974 1,500 25,000
Diamond Offshore Ocean Nomad Aker H-3 Aker Oslo Norway 1975 1,250 25,000
Diamond Offshore Ocean Patriot Bingo 3000 Dunkerque France 1983 3,000 25,000
Diamond Offshore Ocean Princess Aker H-3 Aker Oslo Norway 1975 1,500 25,000
Diamond Offshore Ocean Quest Victory class Mitsubishi Hiroshima Japan 1973 3,500 25,000
Diamond Offshore Ocean Rover Victory class Avondale USA 1973 2,000 25,000
Diamond Offshore Ocean Saratoga Zapata SS-2000 Avondale USA 1976 2,500 25,000
Diamond Offshore Ocean Star Victory class Avondale USA 1974 4,500 25,000
Diamond Offshore Ocean Valiant Odyssey Class Hyundai  Korea 1988 5,000 30,000
Diamond Offshore Ocean Valor F&G ExD SembCorp Singapore 2009 10,000 40,000
Diamond Offshore Ocean Vanguard Bingo 3000 Trosvik Verksted Norway 1982 1,500 25,000
Diamond Offshore Ocean Victory Victory class Avondale USA 1972 5,000 25,000
Diamond Offshore Ocean Voyager Victory class Nylands Norway 1973 3,300 25,000
Diamond Offshore Ocean Whittington Aker H-3 Framnaes Norway 1974 1,500 25,000
Diamond Offshore Ocean Winner Aker H-3 Aker Oslo Norway 1977 3,000 25,000
Diamond Offshore Ocean Worker F&G L-886 9500 Hitachi Osaka Japan 1982 3,500 25,000
Diamond Offshore Ocean Yatzy Super Yatzy Boelwerf Belgium 1989 2,500 25,000
Diamond Offshore Ocean Yorktown Zapata SS-2000 Avondale USA 1976 2,850 25,000
Dolphin A/S Bideford Dolphin Aker H-3 enhanced Aker Oslo Norway 1975 1,620 20,000
Dolphin A/S Blackford Dolphin Aker H-3 enhanced Nylands Norway 1974 3,500 25,000
Dolphin A/S Borgland Dolphin Aker H-3 enhanced Bergen Norway 1978 1,500 20,000
Dolphin A/S Borgny Dolphin Aker H-3 enhanced Rauma Repola Finland 1978 1,650 20,000
Dolphin A/S Borgsten Dolphin Aker H-3 enhanced Aker Oslo Norway 1975 1,500 20,000
Dolphin A/S Bredford Dolphin Aker H-3 enhanced Aker Oslo Norway 1976 1,500 30,000
Dolphin A/S Byford Dolphin Aker H-3 enhanced Aker Oslo Norway 1979 1,500 20,000
ENSCO ENSCO 5000 Pentagone Marathon Brownsville USA 1973 1,200 18,000
ENSCO ENSCO 5001 Sonat Offshore Blohm & Voss Germany 1975 5,000 25,000
ENSCO ENSCO 5002 Aker H-3 Rauma Repola Finland 1975 1,000 25,000
ENSCO ENSCO 5003 Aker H-3 Mitsui Tamano Japan 1977 1,000 20,000
ENSCO ENSCO 5004 F&G 9500 enhanced Framnaes Norway 1982 5,000 25,000
ENSCO ENSCO 5005 F&G 9500 enhanced Hitachi Osaka Japan 1982 1,500 25,000
ENSCO ENSCO 5006 Bingo 8000 Kvaerner/FGO Norway/USA 1998 5,000 30,000
ENSCO ENSCO 6000 Amethyst I De Hoop Netherlands 1987 3,280 16,400
ENSCO ENSCO 6001 Amethyst II Daewoo Korea 2000 5,000 20,000
ENSCO ENSCO 6002 Amethyst II Daewoo Korea 2000 5,000 20,000
ENSCO ENSCO 6003 Amethyst II FGO/Cianbro USA 2004 5,000 20,000
ENSCO ENSCO 6004 Amethyst II FGO/Cianbro USA 2004 5,000 20,000
ENSCO ENSCO 7500 Ensco 7500 Friede Goldman USA 2000 8,000 30,000
ENSCO ENSCO 8500 Gusto MSC Ensco 8500 Keppel FELS Singapore 2008 8,500 30,000
ENSCO ENSCO 8501 Gusto MSC Ensco 8500 Keppel FELS Singapore 2009 8,500 30,000
ENSCO ENSCO 8502 Gusto MSC Ensco 8500 Keppel FELS Singapore 2010 8,500 30,000
ENSCO ENSCO 8503 Gusto MSC Ensco 8500 Keppel FELS Singapore 2010 8,500 30,000
ENSCO ENSCO 8504 Gusto MSC Ensco 8500 Keppel FELS Singapore 2011 8,500 30,000
ENSCO ENSCO 8505 Gusto MSC Ensco 8500 Keppel FELS Singapore 2012 8,500 30,000
ENSCO ENSCO 8506 Gusto MSC Ensco 8500 Keppel FELS Singapore 2012 8,500 30,000
Essar Oilfield Services Essar Wildcat Aker H-3 Aker Oslo Norway 1977 1,300 25,000
Frigstad Offshore Kan Tan IV F&G L-907 enhanced FELS Singapore 1983 2,000 25,000
Gazflot Polyamaya Zvezda Moss CS50 Mk. II Samsung Korea 2011 10,000 35,000
Gazflot Severnoye Sivanie Moss CS50 Mk. II Samsung Korea 2011 10,000 35,000
Ind. Perf. da Campeche Bicentenario GVA 7500 Daewoo Korea 2010

10,000

 40,000
Ind. Perf. da Campeche Centenario F&G ExD SembCorp Singapore 2010 10,000 40,000
Ind. Perf. da Campeche La Muralla IV GVA 7500 Daewoo Korea 2011

10,000

 40,000
Japan Drilling Hakuryu V MHI MD-501 Mitsubishi Hiroshima Japan 1977 1,650 30,000
Japan Drilling NAGA 1 MHI MD 25SP Mitsubishi Hiroshima Japan 1974 1,000 30,000
Jasper Drilling Neptune Finder Earl & Wright Sedco 700 Kaiser Richmond USA 1977 2,000 25,000
KNOC Doo Sung F&G L-907 enhanced Daewoo Korea 1984 1,500 25,000
Larsen Oil & Gas Petrolia CFEM Pentagone Dunkerque France  1986 1,200 20,000
Maersk Contractors Maersk Deliverer Gusto MSC DSS 21 Keppel FELS Singapore 2010 10,000 30,000
Maersk Contractors Maersk Developer Gusto MSC DSS 21 Keppel FELS Singapore 2008 10,000 30,000
Maersk Contractors Maersk Discoverer Gusto MSC DSS 21 Keppel FELS Singapore 2009 10,000 30,000
Maersk Contractors Maersk Explorer DSS-2-CAS-M KFELS/Caspian SB S'pore/Azerbaijan 2003 3,300 30,000
Maersk Contractors Nanhai VI F&G 9500 enhanced Gotaverken Arendal  Sweden 1982 1,500 25,000
Noble Drilling Noble Amos Runner Noble EVA 4000 Ingalls Shipbuilding USA 1982 6,500 30,000
Noble Drilling Noble Clyde Boudreaux F&G 9500 enhanced Vyborg Russia 1987 6,000 20,000
Noble Drilling Noble Danny Adkins F&G Bingo 9000 SembCorp Singapore 2009 7,500 30,000
Noble Drilling Noble Dave Beard F&G 9500 enhanced Vyborg Russia 1986 6,000 20,000
Noble Drilling Noble Driller Aker H-3 Rauma Repola Finland 1976 1,250 25,000
Noble Drilling Noble Homer Ferrington F&G 9500 enhanced Vyborg Russia 1985 6,000 20,000
Noble Drilling Noble Jim Day F&G Bingo 9000 SembCorp Singapore 2010 7,500 30,000
Noble Drilling Noble Jim Thompson Noble EVA 4000 Ingalls Shipbuilding USA 1982 6,000 30,000
Noble Drilling Noble Lorris Bouzigard Pentagone 85 Rauma Repola Finland 1975 2,300 25,000
Noble Drilling Noble Max Smith Noble EVA 4000 Chicago Bridge & Iron USA 1980 6,000 30,000
Noble Drilling Noble Paul Romano Noble EVA 4000 Ingalls Shipbuilding USA 1981 6,000 30,000
Noble Drilling Noble Paul Wolff Noble EVA 4000 Ingalls Shipbuilding USA 1982 8,900 30,000
Noble Drilling Noble Therald Martin Pentagone 86 Rauma Repola Finland 1975 2,300 25,000
Noble Drilling Noble Ton Van Langeveld Offshore Co. SCP III H. de J. Barreras Spain 1979 1,500 25,000
North Atlantic West Alpha Ultra Yatzy NKK Tsu Japan 1986 2,500 25,000
North Atlantic West Phoenix Moss CS50 Mk. II Samsung Korea 2007 10,000 30,000
North Atlantic West Venture Smedvig ME 5000 Keppel Hitachi Singapore 1999 8,000 33,000
North Drilling Iran Alborz GVA 4000M Sadra Shipyard Iran 2005 3,200 25,000
Northern Offshore Energy Driller Mariner  Korean Sbldg. Korea 1977 600 20,000
Ocean Rig Asa Eirik Raude Bingo 9000 Dalian/FGO/Irving China/USA/Canada 2002 8,200 30,000
Ocean Rig Asa Leiv Eiriksson Bingo 9000 Dalian/FGO China/USA 2002 8,200 30,000
Odebrecht Drilling Norbe VI MSC TDS 2000 IMAC Abu Dhabi U.A.E. 2010 6,500 25,000
Odebrecht Drilling Delba III MSC TDS 2000 IMAC Abu Dhabi U.A.E. 2011 9,000 25,000
Odebrecht Drilling ODN Tay IV F&G 9500 enhanced Keppel FELS Singapore  1987 7,500 30,000
Odfjell Drilling Deepsea Atlantic GVA 7500N Daewoo Korea 2008 10,000 30,000
Odfjell Drilling Deepsea Bergen Aker H-3.2 Aker Oslo Norway 1983 1,500 25,000
Odfjell Drilling Deepsea Stavanger GVA 7500N Daewoo Korea 2010 10,000 30,000
Odfjell Drilling Island Innovator GM 4000 WI Cosco China 2012

2,500

  
Odfjell Drilling Songa Delta Ocean Ranger Modified Rauma Repola Finland 1981 3,000 25,000
Petrobras Petrobras X MHI MD 503 Mitsubishi Hiroshima Japan 1982 4,000 29,500
Petrobras Petrobras XVI UIE-CFEM TH 2800 Dunkerque France 1984 1,500 25,000
Petrobras Petrobras XVII UIE-CFEM TH 2800 Dunkerque France 1984 2,300 25,000
Petrobras Petrobras XXIII GVA 4000 Gotaverken Arendal  Sweden 1985 6,250 25,000
Petroserv SA Louisiana Rauma Repola Rauma Repola Finland 1982 6,234 30,000
Petroserv SA SSV Caterina GVA 7500 Daewoo Korea 2012 7,500 30,000
Petroserv SA SSV Victoria GVA 7500 Daewoo Korea 2009 7,500 30,000
Queiroz Galvao Perf. Alaskan Star F&G L-907 Mitsubishi Hiroshima Japan 1976 1,675 25,000
Queiroz Galvao Perf. Alpha Star Gusto MSC DSS 38 Keppel FELS Singapore 2011 7,500 25,000
Queiroz Galvao Perf. Atlantic Star Pentagone 90 Dunkerque France 1976 1,200 25,000
Queiroz Galvao Perf. Gold Star Gusto MSC DSS 38 Keppel FELS Singapore 2009 7,500 25,000
Queiroz Galvao Perf. Lone Star Gusto MSC TDS 2000 IMAC Abu Dhabi U.A.E. 2009 7,500 25,000
Queiroz Galvao Perf. Olinda Star UIE-CFEM TH 2800 UIE Cherbourg France 1983 3,600 23,000
Saipem Scarabeo 3 Blohm & Voss Blohm & Voss  Germany  1975 1,600 25,000
Saipem Scarabeo 4 Blohm & Voss Levingston USA 1975 1,800 25,000
Saipem Scarabeo 5 ME4500DP Fincantieri Italy 1990 6,250 25,000
Saipem Scarabeo 6 F&G L-907 enhanced Rauma Repola Finland 1984 3,280 25,000
Saipem Scarabeo 7 F&G Pacesetter enhanced Gotaverken Arendal  Sweden 1998 4,000 25,000
Saipem Scarabeo 8   Severodvinsk Russia 2011 10,000 30,000
Saipem Scarabeo 9 Frigstad D90 Yantai Raffles China 2010 12,000 50,000
Schahin Amazonia F&G ExD Yantai Raffles China 2011 10,000 40,000
Schahin Pantanal F&G ExD Yantai Raffles China 2010 10,000 40,000
SeaDrill Ltd West Aquarius GVA 7500N Daewoo Korea 2009 7,500 30,000
SeaDrill Ltd West Capricorn F&G ExD SembCorp Singapore 2011 10,000 40,000
SeaDrill Ltd West Eminence Moss CS50 Mk. II Samsung Korea 2009 10,000 30,000
SeaDrill Ltd West Hercules GVA 7500N Daewoo Korea 2008 7,500 30,000
SeaDrill Ltd West Leo Moss CS50 Mk II Vyborg Russia 2011 10,000 30,000
SeaDrill Ltd West Orion F&G ExD SembCorp Singapore 2010 10,000 40,000
SeaDrill Ltd West Pegasus Moss CS50 Mk II Sevmash Russia 2011 10,000 30,000
SeaDrill Ltd West Sirius F&G ExD SembCorp Singapore 2008 7,500 30,000
SeaDrill Ltd West Taurus F&G ExD SembCorp Singapore 2008 10,000 40,000
Sevan Drilling Sevan Driller Sevan SSP Cosco Nantong China 2009 12,500 40,000
Sevan Drilling Sevan Driller II Sevan 650 Cosco Nantong China 2012 10,000 30,000
Sevan Drilling Sevan UDW 3 Sevan 650 Cosco Nantong China 2013 10,000 30,000
Sevan Drilling Sevan UDW 4 Sevan 650 Cosco Nantong China 2014 12,500 40,000
Shanghai Offshore Kan Tan III Shanghai Shanghai Shipyard China  1984 660 17,000
Socar Absheron F&G Pacesetter Astrakhan Russia 1982 650 20,000
Socar Shelf 1 F&G Pacesetter  Astrakhan Russia 1981 600 20,000
Socar Shelf 3 F&G Pacesetter Astrakhan Russia 1984 1,000 23,000
Songa Offshore Songa Dee MHI MD 602 Mitsubishi Hiroshima Japan 1984 1,500 25,000
Songa Offshore Songa Eclipse F&G ExD SembCorp Singapore 2011 10,000 40,000
Songa Offshore Songa Mercur F&G 9500 enhanced Vyborg Russia 1990 1,500 25,000
Odfjell Drilling Songa Trym Aker H-3 enhanced Aker Oslo Norway 1978 1,200 25,000
Songa Offshore Songa Venus F&G Pacesetter Bethlehem Beaumont USA 1975 1,500 25,000
Stena Drilling Stena Clyde Aker H-3 Rauma Repola Finland 1977 1,650 25,000
Stena Drilling Stena Don CS 30 Kvaerner Warnow Germany 2001 1,650 30,000
Stena Drilling Stena Spey F&G L-907 Daewoo Korea 1983 1,500 20,000
Transocean Inc. Actinia F&G 9500 enhanced Hitachi Osaka Japan 1982 1,500 25,000
Transocean Inc. Aleutian Key F&G 9500 enhanced Mitsui Tamano Japan 1976 2,300 25,000
Transocean Inc. Arctic I F&G L-907 enhanced Rauma Repola Finland 1983 3,400 25,000
Transocean Inc. Arctic III F&G L-907 enhanced Rauma Repola Finland 1984 1,800 25,000
Transocean Inc. C. Kirk Rhein Jr Aker H-3 Aker Oslo Norway 1976 3,300 25,000
Transocean Inc. Cajun Express Sedco Express PPL Singapore 2001 8,500 35,000
Transocean Inc. Celtic Sea F&G L-907 enhanced Mitsui Tamano Japan 1984 5,750 25,000
Transocean Inc. Deepwater Nautilus R&B/IHI Hyundai  Korea 2000 8,000 25,000
Transocean Inc. Development Driller I F&G ExD PPL/Jurong Singapore 2005 7,500 30,000
Transocean Inc. Development Driller II F&G ExD PPL/Jurong Singapore 2005 7,500 30,000
Transocean Inc. Development Driller III MSC DSS 51 Keppel FELS Singapore 2008 10,000 30,000
Transocean Inc. Falcon 100 F&G Pacesetter Avondale USA 1974 2,400 25,000
Transocean Inc. Grand Banks Aker H-3.2 Saint John Canada 1984 1,500 25,000
Transocean Inc. Henry Goodrich Sonat/Mitsui Mitsui Tamano Japan 1985 2,000 25,000
Transocean Inc. J. W. McLean Zapata SS-3000 Bethlehem Beaumont USA 1974 1,500 25,000
Transocean Inc. Jack Bates F&G L-1020 Trendsetter IHI Japan 1986 6,000 30,000
Transocean Inc. Jim Cunningham F&G 9500 enhanced Daewoo Korea 1982 5,000 25,000
Transocean Inc. M. G. Hulme Jr F&G 9500 enhanced Daewoo Korea 1983 5,000 25,000
Transocean Inc. Paul B. Loyd Jr Aker H-4-2 DP Hyundai  Korea 1990 2,000 25,000
Transocean Inc. Rig 135 F&G 9500 enhanced Daewoo Korea 1983 2,400 25,000
Transocean Inc. Rig 140 F&G 9500 enhanced Daewoo Korea 1983 2,400 25,000
Transocean Inc. Sedco 601 Earl & Wright Sedco 600 Promet  Singapore 1983 1,500 25,000
Transocean Inc. Sedco 700 Earl & Wright Sedco 700  Levingston USA 1973 3,600 25,000
Transocean Inc. Sedco 702 Earl & Wright Sedco 700 Avondale USA 1973 1,500 25,000
Transocean Inc. Sedco 703 Earl & Wright Sedco 700 Avondale USA 1973 1,500 25,000
Transocean Inc. Sedco 704 Earl & Wright Sedco 700 Halifax Canada 1974 1,000 25,000
Transocean Inc. Sedco 706 Earl & Wright Sedco 700 Kaiser Steel USA 1976 1,000 25,000
Transocean Inc. Sedco 707 Earl & Wright Sedco 700 Avondale USA 1976 6,500 25,000
Transocean Inc. Sedco 709 Earl & Wright Sedco 700 Halifax Canada 1977 5,000 25,000
Transocean Inc. Sedco 710 Earl & Wright Sedco 700 Mitsui Tamano Japan 1983 4,000 25,000
Transocean Inc. Sedco 711 Earl & Wright Sedco 711 Hyundai  Korea 1982 1,800 25,000
Transocean Inc. Sedco 712 Earl & Wright Sedco 711 Hyundai  Korea 1983 1,600 25,000
Transocean Inc. Sedco 714 Earl & Wright Sedco 711 Hyundai  Korea 1983 1,600 25,000
Transocean Inc. Sedco Energy Sedco Express DCN Brest France 2001 7,500 25,000
Transocean Inc. Sedco Express Sedco Express DCN Brest France 2001 7,500 25,000
Transocean Inc. Sedneth 701 Earl & Wright Sedco 700  Halifax Canada 1973 1,500 25,000
Transocean Inc. Sovereign Explorer GVA 4000 Cammell Laird England 1984 4,000 25,000
Transocean Inc. Transocean Amirante Aker H-3 enhanced Rauma Repola Finland 1978 3,500 25,000
Transocean Inc. Transocean Arctic Marotec 56 Mitsubishi Hiroshima Japan 1986 1,650 25,000
Aker Drilling A/S Transocean Barents Aker H6e  Aker Stord Norway 2009 10,000 30,000
Transocean Inc. Transocean Driller F&G 9500 enhanced Astano Spain 1991 3,000 25,000
Transocean Inc. Transocean Leader Aker H-4.21 Hyundai  Korea 1987 4,500 25,000
Transocean Inc. Transocean Legend Bingo 3000 modified NKK Tsu Japan 1983 3,500 25,000
Transocean Inc. Transocean Marianas Earl & Wright Sedco 700 Marathon Brownsville USA 1979 7,000 25,000
Transocean Inc. Transocean Polar Pioneer Sonat/Hitachi Hitachi Osaka Japan 1985 1,500 25,000
Transocean Inc. Transocean Prospect Bingo 3000 modified NKK Tsu Japan 1983 1,500 25,000
Transocean Inc. Transocean Rather GVA 4500 enhanced Daewoo Korea 1988 4,500 25,000
Transocean Inc. Transocean Richardson GVA 4500 enhanced Daewoo Korea 1988 5,000 25,000
Transocean Inc. Transocean Searcher Bingo 3000 Kaldnes Norway 1983 1,500 25,000
Aker Drilling A/S Transocean Spitzbergen Aker H6e  Aker Stord Norway 2009 10,000 30,000
Transocean Inc. Transocean Winner GVA 4000 Gotaverken Arendal  Sweden 1983 1,500 25,000
Viking Offshore Viking Producer Pentagone Dunkerque France 1969 600 20,000