Exhibit 99.1 DIAMOND OFFSHORE DRILLING, INC. RIG STATUS REPORT AS OF JANUARY 21, 2002 RATED WATER RIG NAME DEPTH DESIGN LOCATION STATUS OPERATOR - ---------------------------------------------------------------------------------------------------------------- Ocean Crusader 200' Mat Cantilever GOM Contracted ChevronTexaco - ---------------------------------------------------------------------------------------------------------------- Ocean Drake 200' Mat Cantilever GOM Contracted ChevronTexaco - ---------------------------------------------------------------------------------------------------------------- Ocean Champion 250' Mat Slot GOM Shipyard - - ---------------------------------------------------------------------------------------------------------------- Ocean Columbia 250' Independent Leg Cantilever GOM Contracted Murphy - ---------------------------------------------------------------------------------------------------------------- Ocean Spartan 250' Independent Leg Cantilever GOM Contracted BP - ---------------------------------------------------------------------------------------------------------------- Ocean Spur 250' Independent Leg Cantilever GOM Contracted BP - ---------------------------------------------------------------------------------------------------------------- Ocean Sovereign 250' Independent Leg Cantilever Indonesia Contracted Maxus - ---------------------------------------------------------------------------------------------------------------- Ocean Heritage 250' Independent Leg Cantilever Indonesia Contracted Maxus - ---------------------------------------------------------------------------------------------------------------- Ocean King 300' Independent Leg Cantilever GOM Contracted Kerr McGee - ---------------------------------------------------------------------------------------------------------------- Ocean Nugget 300' Independent Leg Cantilever GOM Contracted Seneca Resources - ---------------------------------------------------------------------------------------------------------------- Ocean Summit 300' Independent Leg Cantilever GOM Contracted DOTS/Seneca - ---------------------------------------------------------------------------------------------------------------- Ocean Warwick 300' Independent Leg Cantilever GOM Contracted BP - ---------------------------------------------------------------------------------------------------------------- Ocean Titan 350' Independent Leg Slot GOM Contracted Dominion - ---------------------------------------------------------------------------------------------------------------- Ocean Tower 350' Independent Leg Slot GOM Contracted Spinnaker - ---------------------------------------------------------------------------------------------------------------- Ocean Liberator 600' Aker H-3 Gabon Contracted Shell - ---------------------------------------------------------------------------------------------------------------- Ocean Century 800' Korkut GOM Cold Stacked - - ---------------------------------------------------------------------------------------------------------------- Ocean Ambassador 1,100' Bethlehem SS-2000 GOM Contracted Murphy - ---------------------------------------------------------------------------------------------------------------- Ocean Nomad 1,200' Aker H-3 North Sea Contracted Veba - ---------------------------------------------------------------------------------------------------------------- Ocean New Era 1,500' Korkut GOM Stacked - - ---------------------------------------------------------------------------------------------------------------- Ocean Bounty 1,500' Victory Class Australia Contracted Woodside - ---------------------------------------------------------------------------------------------------------------- 1 RATED WATER RIG NAME DEPTH DESIGN LOCATION STATUS OPERATOR - ---------------------------------------------------------------------------------------------------------------- Ocean Guardian 1,500' Earl & Wright Sedco North Sea Contracted Shell 711 Series - ---------------------------------------------------------------------------------------------------------------- Ocean Princess 1,500' Aker H-3 North Sea Contracted Talisman - ---------------------------------------------------------------------------------------------------------------- Ocean Whittington 1,500' Aker H-3 Namibia Contracted Shell - ---------------------------------------------------------------------------------------------------------------- Ocean Epoch 1,640' Korkut Vietnam Contracted BP - ---------------------------------------------------------------------------------------------------------------- Ocean General 1,640' Korkut Australia Contracted Anadarko - ---------------------------------------------------------------------------------------------------------------- Ocean Prospector 1,700' Victory Class GOM Cold Stacked - - ---------------------------------------------------------------------------------------------------------------- Ocean Endeavor 2,000' Victory Class GOM Contracted Walter - ---------------------------------------------------------------------------------------------------------------- Ocean Concord 2,200' F&G SS-2000 GOM Contracted Amerada Hess - ---------------------------------------------------------------------------------------------------------------- Ocean Lexington 2,200' F&G SS-2000 GOM Contracted Murphy - ---------------------------------------------------------------------------------------------------------------- Ocean Saratoga 2,200' F&G SS-2000 GOM Contracted Amerada Hess - ---------------------------------------------------------------------------------------------------------------- Ocean Yorktown 2,850' F&G SS-2000 Brazil Contracted Enterprise - ---------------------------------------------------------------------------------------------------------------- Ocean Voyager 3,200' Victory Class GOM Contracted Westport - ---------------------------------------------------------------------------------------------------------------- Ocean Yatzy 3,300' DP DYVI Super Yatzy Brazil Contracted Petrobras - ---------------------------------------------------------------------------------------------------------------- Ocean Worker 3,500' F&G 9500 Enhanced GOM Contracted Shell Pacesetter - ---------------------------------------------------------------------------------------------------------------- Ocean Quest 3,500' Victory Class GOM Contracted Kerr McGee - ---------------------------------------------------------------------------------------------------------------- Ocean Winner 3,500' Aker H-3 Brazil Contracted Petrobras - ---------------------------------------------------------------------------------------------------------------- Ocean Alliance 5,000' Alliance Class Brazil Contracted Petrobras - ---------------------------------------------------------------------------------------------------------------- Ocean Star 5,500' Victory Class GOM Contracted Kerr McGee - ---------------------------------------------------------------------------------------------------------------- Ocean Victory 5,500' Victory Class GOM Contracted BP - ---------------------------------------------------------------------------------------------------------------- Ocean America 5,500' Ocean Odyssey GOM Contracted Anadarko - ---------------------------------------------------------------------------------------------------------------- 2 RATED WATER RIG NAME DEPTH DESIGN LOCATION STATUS OPERATOR - ---------------------------------------------------------------------------------------------------------------- Ocean Valiant 5,500' Ocean Odyssey GOM Contracted Murphy - ---------------------------------------------------------------------------------------------------------------- Ocean Baroness 6,500' Victory Class Singapore Shipyard Upgrade - - ---------------------------------------------------------------------------------------------------------------- Ocean Rover 6,500' Victory Class Singapore Shipyard Upgrade - - ---------------------------------------------------------------------------------------------------------------- Ocean Confidence 7,500' DP Aker H-3.2 Modified GOM Contracted BP - ---------------------------------------------------------------------------------------------------------------- Ocean Clipper 7,500' DP Fluor/Mitsubishi Brazil Contracted Petrobras - ---------------------------------------------------------------------------------------------------------------- NOTES: DOTS = Diamond Offshore Team Solutions, Inc. GOM = Gulf of Mexico 3 TABLE CONTINUED...... RIG NAME CURRENT TERM START DATE ESTIMATED END DATE - ------------------------------------------------------------------------------------------------ Ocean Crusader one well plus two early December 2001 early February 2002 completions - ------------------------------------------------------------------------------------------------ Ocean Drake 60-day extension plus mid December 2001 late January 2002 option - ------------------------------------------------------------------------------------------------ Ocean Champion - early August 2001 early February 2002 - ------------------------------------------------------------------------------------------------ Ocean Columbia one workover plus late December 2001 early February 2002 option - ------------------------------------------------------------------------------------------------ Ocean Spartan 120-day extension plus early December 2001 late March 2002 option - ------------------------------------------------------------------------------------------------ Ocean Spur 120-day extension early October 2001 early February 2002 - ------------------------------------------------------------------------------------------------ Ocean Sovereign two-year term mid September 2000 early October 2002 - ------------------------------------------------------------------------------------------------ Ocean Heritage one-year term late January 2001 mid February 2002 - ------------------------------------------------------------------------------------------------ Ocean King one well late December 2001 mid March 2002 - ------------------------------------------------------------------------------------------------ Ocean Nugget one workover early January 2002 late January 2002 - ------------------------------------------------------------------------------------------------ Ocean Summit one well mid December 2001 late January 2002 - ------------------------------------------------------------------------------------------------ Ocean Warwick 90 day extension plus early January 2002 early April 2002 option - ------------------------------------------------------------------------------------------------ Ocean Titan one-well plus option late September 2001 late January 2002 - ------------------------------------------------------------------------------------------------ Ocean Tower drill and complete late October 2001 late January 2002 one-well plus option - ------------------------------------------------------------------------------------------------ Ocean Liberator one well mid December 2001 mid January 2002 - ------------------------------------------------------------------------------------------------ Ocean Century - - - - ------------------------------------------------------------------------------------------------ Ocean Ambassador one well plus options early January 2002 mid February 2002 for 2 completions - ------------------------------------------------------------------------------------------------ Ocean Nomad two wells late November 2001 early April 2002 - ------------------------------------------------------------------------------------------------ Ocean New Era - - - - ------------------------------------------------------------------------------------------------ Ocean Bounty one well early January 2002 early February 2002 - ------------------------------------------------------------------------------------------------ 1 RIG NAME CURRENT TERM START DATE ESTIMATED END DATE - ------------------------------------------------------------------------------------------------ Ocean Guardian nine months plus mid May 2001 mid February 2002 option - ------------------------------------------------------------------------------------------------ Ocean Princess three-month term early December 2001 late March 2002 - ------------------------------------------------------------------------------------------------ Ocean Whittington two wells plus 2 early January 2002 early June 2002 options - ------------------------------------------------------------------------------------------------ Ocean Epoch five wells plus early December 2001 early June 2002 options - ------------------------------------------------------------------------------------------------ Ocean General two wells plus two mid January 2002 late February 2002 options - ------------------------------------------------------------------------------------------------ Ocean Prospector - - - - ------------------------------------------------------------------------------------------------ Ocean Endeavor one well mid December 2001 early February 2002 - ------------------------------------------------------------------------------------------------ Ocean Concord one well early December 2001 late January 2002 - ------------------------------------------------------------------------------------------------ Ocean Lexington nine month term plus early June 2001 early March 2002 option - ------------------------------------------------------------------------------------------------ Ocean Saratoga subsea completion late December 2001 late January 2002 - ------------------------------------------------------------------------------------------------ Ocean Yorktown 15-well development mid September 2001 late August 2003 - ------------------------------------------------------------------------------------------------ Ocean Voyager one well plus option early November 2001 mid March 2002 - ------------------------------------------------------------------------------------------------ Ocean Yatzy five-year term plus early November 1998 early November 2003 option - ------------------------------------------------------------------------------------------------ Ocean Worker four-year term plus mid January 1998 mid January 2002 option - ------------------------------------------------------------------------------------------------ Ocean Quest one well early November 2001 late January 2002 - ------------------------------------------------------------------------------------------------ Ocean Winner 18-month extension early July 2001 early November 2002 - ------------------------------------------------------------------------------------------------ Ocean Alliance two-year contract early September 2000 early September 2002 - ------------------------------------------------------------------------------------------------ Ocean Star two wells plus two-well early January 2002 early February 2002 option - ------------------------------------------------------------------------------------------------ Ocean Victory two month extension mid January 2002 mid March 2002 - ------------------------------------------------------------------------------------------------ Ocean America one well assignment early April 2001 early February 2002 from BP - ------------------------------------------------------------------------------------------------ 2 RIG NAME CURRENT TERM START DATE ESTIMATED END DATE - ------------------------------------------------------------------------------------------------ Ocean Valiant three wells early January 2002 mid July 2002 - ------------------------------------------------------------------------------------------------ Ocean Baroness - - early March 2002 - ------------------------------------------------------------------------------------------------ Ocean Rover - - Second Quarter 2003 - ------------------------------------------------------------------------------------------------ Ocean Confidence five-year term early January 2001 early January 2006 - ------------------------------------------------------------------------------------------------ Ocean Clipper three-year term mid January 2000 early January 2003 - ------------------------------------------------------------------------------------------------ NOTES: DOTS = Diamond Offshore Team Solutions, Inc. GOM = Gulf of Mexico 3 TABLE CONTINUED...... DAYRATE RIG NAME (IN THOUSANDS) FUTURE CONTRACT AND OTHER INFORMATION - ------------------------------------------------------------------------------------------- Ocean Crusader lower 20's available - ------------------------------------------------------------------------------------------- Ocean Drake lower 20's available - ------------------------------------------------------------------------------------------- Ocean Champion - shipyard for inspection and repair then available - ------------------------------------------------------------------------------------------- Ocean Columbia lower 20's available - ------------------------------------------------------------------------------------------- Ocean Spartan mid 40's available - ------------------------------------------------------------------------------------------- Ocean Spur lower 40's available - ------------------------------------------------------------------------------------------- Ocean Sovereign lower 30's available - ------------------------------------------------------------------------------------------- Ocean Heritage mid 30's one well and one workover plus option with Nexen in Australia in lower 80's ending in early April 2002. - ------------------------------------------------------------------------------------------- Ocean King mid 20's available - ------------------------------------------------------------------------------------------- Ocean Nugget upper teens available - ------------------------------------------------------------------------------------------- Ocean Summit upper teens available - ------------------------------------------------------------------------------------------- Ocean Warwick mid 20's available - ------------------------------------------------------------------------------------------- Ocean Titan lower 50's one well plus options with Dominion in lower 20's ending mid February 2002. - ------------------------------------------------------------------------------------------- Ocean Tower lower 20's available - ------------------------------------------------------------------------------------------- Ocean Liberator upper 50's available - ------------------------------------------------------------------------------------------- Ocean Century - - - ------------------------------------------------------------------------------------------- Ocean Ambassador mid 30's available - ------------------------------------------------------------------------------------------- Ocean Nomad lower 70's available - ------------------------------------------------------------------------------------------- Ocean New Era - available - ------------------------------------------------------------------------------------------- Ocean Bounty lower 90's available - ------------------------------------------------------------------------------------------- 1 DAYRATE RIG NAME (IN THOUSANDS) FUTURE CONTRACT AND OTHER INFORMATION - ------------------------------------------------------------------------------------------- Ocean Guardian lower 70's five-well extension with Shell in lower 90's ending mid October 2002. - ------------------------------------------------------------------------------------------- Ocean Princess upper 70's Completion of a previous well in lower 40's beginnning early January and ending early February 2002. - ------------------------------------------------------------------------------------------- Ocean Whittington upper 50's available - ------------------------------------------------------------------------------------------- Ocean Epoch lower 60's Rate change after 3/1/02 to lower 70's ending early June 2002. - ------------------------------------------------------------------------------------------- Ocean General upper 90's available - ------------------------------------------------------------------------------------------- Ocean Prospector - - - ------------------------------------------------------------------------------------------- Ocean Endeavor lower 30's available - ------------------------------------------------------------------------------------------- Ocean Concord mid 30's available - ------------------------------------------------------------------------------------------- Ocean Lexington upper 40's available - ------------------------------------------------------------------------------------------- Ocean Saratoga lower 30's available - ------------------------------------------------------------------------------------------- Ocean Yorktown lower 60's available - ------------------------------------------------------------------------------------------- Ocean Voyager lower 30's available - ------------------------------------------------------------------------------------------- Ocean Yatzy 120's available - ------------------------------------------------------------------------------------------- Ocean Worker 120's two abandonments with Shell in upper 50's ending early February 2002; followed by survey ending early March 2002. - ------------------------------------------------------------------------------------------- Ocean Quest lower 80's eight month contract plus options with Kerr McGee in lower 80's ending late July 2002. - ------------------------------------------------------------------------------------------- Ocean Winner lower 80's available - ------------------------------------------------------------------------------------------- Ocean Alliance 110's available - ------------------------------------------------------------------------------------------- Ocean Star 110's 30-day scheduled survey ending early March 2002. - ------------------------------------------------------------------------------------------- Ocean Victory 110's available - ------------------------------------------------------------------------------------------- Ocean America 110's available - ------------------------------------------------------------------------------------------- 2 DAYRATE RIG NAME (IN THOUSANDS) FUTURE CONTRACT AND OTHER INFORMATION - ------------------------------------------------------------------------------------------- Ocean Valiant lower 80's available - ------------------------------------------------------------------------------------------- Ocean Baroness - two wells plus options with Murphy in 170's ending mid August 2002. - ------------------------------------------------------------------------------------------- Ocean Rover - available - ------------------------------------------------------------------------------------------- Ocean Confidence 170's available - ------------------------------------------------------------------------------------------- Ocean Clipper lower 90's available - ------------------------------------------------------------------------------------------- NOTES: DOTS = Diamond Offshore Team Solutions, Inc. GOM = Gulf of Mexico 3