US Gulf of Mexico
Canada
Trinidad and Tobago
Brazil
North Sea
Norway Polar Pioneer Transocean Arctic Transocean Leader Transocean Searcher Transocean Winner
Italy D.R. Stewart GSF Arctic III Croatia
Holland Russia
Caspian Sea
Angola
Nigeria
Gabon
Egypt
Equatorial Guinea
Congo
Cameroon
Bahrain
Saudi Arabia GSF High Island II GSF High Island IV GSF Main Pass I GSF Main Pass IV Australia
India
Indonesia
Vietnam
Singapore Searex 4 The SEAREX 4 is a Pontoon Supported Swamp Barge drilling unit capable of operating in water depths up to 21 ft. A 13-5/8in 10,000 psi BOP is used to obtain maximum drilling depths up to 16,000 ft. Thailand
Malaysia
Deepwater Nautilus