Drilling Rigs Built in U.S. Shipyards

(listed by shipbuilder and by hull number)

Rigbuilder Location Hull # Rig Type Original Name Original Owner Present Name Present Owner Design Price ($mm) Delivery Disposition
Alabama Dry Dock Mobile AL Submersible Mr. Arthur 1957
Alabama Dry Dock Mobile AL Submersible El Dorado Odeco 1958
Alabama Dry Dock Mobile AL 706 Semi-Submersible Diamond M Century Diamond M Drilling Ocean Century Diamond Offshore Drilling New Era 16.0 Nov-73 Active
Alabama Dry Dock Mobile AL 707 Semi-Submersible Diamond M New Era Diamond M Drilling Ocean New Era Diamond Offshore Drilling New Era 18.0 Sep-74 Active
Alabama Dry Dock Mobile AL 714 Semi-Submersible Diamond M General Diamond M Drilling Ocean General Diamond Offshore Drilling New Era 25.0 Feb-76 Active
Alabama Dry Dock Mobile AL 715 Semi-Submersible Diamond M Epoch Diamond M Drilling Ocean Epoch Diamond Offshore Drilling New Era 25.0 Feb-77 Active
Alabama Maritime Mobile AL 5 Semi-Submersible Diamond M Hunter Diamond M Drilling Atwood Hunter Atwood Oceanics New Era Dec-81 Active
Alabama Maritime Mobile AL 6 Semi-Submersible Diamond M Eagle Diamond M Drilling Atwood Eagle Atwood Oceanics New Era Feb-82 Active
Alabama Maritime Mobile AL 7 Semi-Submersible Diamond M Falcon Diamond M Drilling Atwood Falcon Atwood Oceanics New Era Mar-83 Active
Alexander/American New Orleans LA Submersible Breton Rig 20 Barnsdall Drilling 1949 Scrapped
Alexander/American New Orleans LA Submersible Mr. Charlie ODECO 1954 Museum in Morgan City LA
Alexander/American New Orleans LA Submersible John Hayward ODECO 1955 Scrapped
Alexander/American New Orleans LA Submersible Offshore No. 53 Offshore Company 1955 Scrapped
Alexander/American New Orleans LA Submersible Par 1 Offshore Company 1955 Scrapped
Alexander/American New Orleans LA Submersible St. Louis ODECO 1956 Scrapped
Alexander/American New Orleans LA Submersible Chris Zeppa ODECO 1957 Scrapped
Alexander/American New Orleans LA Submersible Seadrill 3 Seadrilling 1957 Scrapped
Alexander/American New Orleans LA Submersible Seadrill 4 Seadrilling 1958 Scrapped
AMFELS Brownsville TX 167 Drill Barge Maersk Rig 61 Maersk Contractors Maersk Rig 61 Maersk Contractors Dec-94 Active
AMFELS Brownsville TX 168 Drill Barge Maersk Rig 62 Maersk Contractors Maersk Rig 62 Maersk Contractors Jan-95 Active
AMFELS Brownsville TX 178 Jack-Up Chiles Columbus Chiles Offshore Ensco 74 Ensco International Inc. LeTourneau 116-C Enhanced 60.0 May-99 Active
AMFELS Brownsville TX 179 Jack-Up Chiles Magellan Chiles Offshore Ensco 75 Ensco International Inc. LeTourneau 116-C Enhanced 60.0 Oct-99 Active
AMFELS Brownsville TX 180 Drill Barge Maersk Pioneer Maersk Contractors Maersk Pioneer Maersk Contractors Oct-98 Active
AMFELS Brownsville TX 181 Drill Barge Maersk Pathfinder Maersk Contractors Maersk Pathfinder Maersk Contractors Dec-98 Active
AMFELS Brownsville TX 182 Semi-Submersible Q4000 Cal Dive International Q4000 Cal Dive International 100.0 2001 Active
AMFELS Brownsville TX 187 Jack-Up Chiles Galileo Chiles Offshore Ensco 105 Ensco International Inc. FELS Mod VB 110.0 2002 Active
AMFELS Brownsville TX 188 Jack-Up Central Tonala Perforadora Central Tonala Perforadora Central FELS Mod VB 2004 Active
AMFELS Brownsville TX 193 Jack-Up Offshore Courageous Scorpion Offshore LeTourneau Super 116