Exhibit 99.1 DIAMOND OFFSHORE DRILLING, INC. RIG STATUS REPORT AS OF JANUARY 22, 2001 RATED WATER RIG NAME DEPTH DESIGN LOCATION STATUS OPERATOR - -------------------------------------------------------------------------------------------------------------------- Ocean Crusader 200' Mat Cantilever GOM Contracted Walter - -------------------------------------------------------------------------------------------------------------------- Ocean Drake 200' Mat Cantilever GOM Contracted Chevron - -------------------------------------------------------------------------------------------------------------------- Ocean Champion 250' Mat Slot GOM Contracted Pogo - -------------------------------------------------------------------------------------------------------------------- Ocean Columbia 250' Independent Leg Cantilever GOM Contracted BP - -------------------------------------------------------------------------------------------------------------------- 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 BP - -------------------------------------------------------------------------------------------------------------------- Ocean Nugget 300' Independent Leg Cantilever GOM Undergoing Repairs - - -------------------------------------------------------------------------------------------------------------------- Ocean Summit 300' Independent Leg Cantilever GOM Contracted EOG Resources - -------------------------------------------------------------------------------------------------------------------- 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 Cote D'lvoire Contracted DOTS/Santa Fe - -------------------------------------------------------------------------------------------------------------------- Ocean Century 800' Korkut GOM Cold Stacked - - -------------------------------------------------------------------------------------------------------------------- Ocean Ambassador 1,100' Bethlehem SS-2000 GOM Stacked Ready - - -------------------------------------------------------------------------------------------------------------------- Ocean Nomad 1,200' Aker H-3 North Sea Shipyard Repairs - - -------------------------------------------------------------------------------------------------------------------- RATED WATER RIG NAME DEPTH DESIGN LOCATION STATUS OPERATOR - -------------------------------------------------------------------------------------------------------------------- Ocean Epoch 1,200' Korkut Singapore Stacked Ready - - -------------------------------------------------------------------------------------------------------------------- Ocean General 1,200' Korkut Australia Contracted Coastal - -------------------------------------------------------------------------------------------------------------------- Ocean New Era 1,500' Korkut GOM Stacked Ready - - -------------------------------------------------------------------------------------------------------------------- Ocean Bounty 1,500' Victory Class Australia Contracted Woodside - -------------------------------------------------------------------------------------------------------------------- Ocean Guardian 1,500' Earl & Wright Sedco 711 North Sea Contracted Venture Series - -------------------------------------------------------------------------------------------------------------------- Ocean Princess 1,500' Aker H-3 North Sea Contracted Talisman - -------------------------------------------------------------------------------------------------------------------- Ocean Whittington 1,500' Aker H-3 Brazil Contracted Petrobras - -------------------------------------------------------------------------------------------------------------------- Ocean Prospector 1,700' Victory Class GOM Cold Stacked - - -------------------------------------------------------------------------------------------------------------------- Ocean Endeavor 2,000' Victory Class GOM Stacked Ready - - -------------------------------------------------------------------------------------------------------------------- Ocean Rover 2,000' Victory Class GOM Cold Stacked - - -------------------------------------------------------------------------------------------------------------------- Ocean Concord 2,200' F&G SS-2000 GOM Contracted Walter - -------------------------------------------------------------------------------------------------------------------- Ocean Lexington 2,200' F&G SS-2000 GOM Contracted Kerr McGee - -------------------------------------------------------------------------------------------------------------------- Ocean Saratoga 2,200' F&G SS-2000 GOM Contracted Walter - -------------------------------------------------------------------------------------------------------------------- Ocean Yorktown 2,850' F&G SS-2000 Brazil Contracted Petrobras - -------------------------------------------------------------------------------------------------------------------- Ocean Voyager 3,200' Victory Class GOM Contracted Mariner - -------------------------------------------------------------------------------------------------------------------- Ocean Yatzy 3,300' DP DYVI Super Yatzy Brazil Contracted Petrobras - -------------------------------------------------------------------------------------------------------------------- RATED WATER RIG NAME DEPTH DESIGN LOCATION STATUS OPERATOR - -------------------------------------------------------------------------------------------------------------------- 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 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 BP - -------------------------------------------------------------------------------------------------------------------- Ocean Valiant 5,500' Ocean Odyssey GOM Contracted Amerada Hess - -------------------------------------------------------------------------------------------------------------------- Ocean Alliance 5,500' DP Ocean Ranger II Brazil Contracted Petrobras Modified - -------------------------------------------------------------------------------------------------------------------- Ocean Baroness 6,000' 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 ** TABLE CONTINUED ** RIG NAME CURRENT TERM START DATE ESTIMATED END DATE - ------------------------------------------------------------------------------------------------- Ocean Crusader first of two wells late November 2000 early February 2001 - ------------------------------------------------------------------------------------------------- Ocean Drake four month extension late September 2000 late January 2001 - ------------------------------------------------------------------------------------------------- Ocean Champion one well plus option early January 2001 late January 2001 - ------------------------------------------------------------------------------------------------- Ocean Columbia one year term plus mid January 2000 mid January 2001 option - ------------------------------------------------------------------------------------------------- Ocean Spartan six month term plus late November 2000 late May 2001 option - ------------------------------------------------------------------------------------------------- Ocean Spur six month term plus early October 2000 early April 2001 option - ------------------------------------------------------------------------------------------------- Ocean Sovereign two-year term mid September 2000 early August 2002 - ------------------------------------------------------------------------------------------------- Ocean Heritage Substitution for Ocean mid October 2000 mid April 2002 Sovereign - ------------------------------------------------------------------------------------------------- Ocean King 90 day term plus option late October 2000 late February 2001 - ------------------------------------------------------------------------------------------------- Ocean Nugget - late September 2000 early March 2001 - ------------------------------------------------------------------------------------------------- Ocean Summit completion of previous early January 2001 late January 2001 well - ------------------------------------------------------------------------------------------------- Ocean Warwick six month term plus early October 2000 early April 2001 option - ------------------------------------------------------------------------------------------------- Ocean Titan one-well plus option early December 2000 mid February 2001 - ------------------------------------------------------------------------------------------------- Ocean Tower one well plus option mid December 2000 mid February 2001 - ------------------------------------------------------------------------------------------------- Ocean Liberator second of two wells late October 2000 late January 2001 - ------------------------------------------------------------------------------------------------- Ocean Century - - - - ------------------------------------------------------------------------------------------------- Ocean Ambassador - - - - ------------------------------------------------------------------------------------------------- Ocean Nomad - - - - ------------------------------------------------------------------------------------------------- RIG NAME CURRENT TERM START DATE ESTIMATED END DATE - ------------------------------------------------------------------------------------------------- Ocean Epoch - - - - ------------------------------------------------------------------------------------------------- Ocean General one well plus two early December 2000 mid January 2001 options - ------------------------------------------------------------------------------------------------- Ocean New Era - - - - ------------------------------------------------------------------------------------------------- Ocean Bounty 90-day contract early March 2001 late May 2001 - ------------------------------------------------------------------------------------------------- Ocean Guardian one well mid August 2000 late January 2001 - ------------------------------------------------------------------------------------------------- Ocean Princess two wells early November 2000 mid March 2001 - ------------------------------------------------------------------------------------------------- Ocean Whittington three-year term mid March 1998 mid March 2001 - ------------------------------------------------------------------------------------------------- Ocean Prospector - - - - ------------------------------------------------------------------------------------------------- Ocean Endeavor - - - - ------------------------------------------------------------------------------------------------- Ocean Rover - - - - ------------------------------------------------------------------------------------------------- Ocean Concord one-well mid November 2000 mid February 2001 - ------------------------------------------------------------------------------------------------- Ocean Lexington P&A program early December 2000 late January 2001 early July 2001 - ------------------------------------------------------------------------------------------------- Ocean Saratoga one well early November 2000 mid February 2001 - ------------------------------------------------------------------------------------------------- Ocean Yorktown five-year term early June 1996 early June 2001 - ------------------------------------------------------------------------------------------------- Ocean Voyager one well early November 2000 mid February 2001 - ------------------------------------------------------------------------------------------------- Ocean Yatzy five-year term early November 1998 early November 2003 - ------------------------------------------------------------------------------------------------- RIG NAME CURRENT TERM START DATE ESTIMATED END DATE - ------------------------------------------------------------------------------------------------- Ocean Worker four-year term plus mid January 1998 mid January 2002 option - ------------------------------------------------------------------------------------------------- Ocean Quest three wells mid December 2000 early April 2001 - ------------------------------------------------------------------------------------------------- Ocean Winner two-year term early May 1999 early May 2001 - ------------------------------------------------------------------------------------------------- Ocean Star two wells early December 2000 late February 2001 - ------------------------------------------------------------------------------------------------- Ocean Victory three-year term mid November 1997 early March 2001 - ------------------------------------------------------------------------------------------------- Ocean America one well late August 2000 mid February 2001 - ------------------------------------------------------------------------------------------------- Ocean Valiant 810 day term late September 1999 late March 2001 - ------------------------------------------------------------------------------------------------- Ocean Alliance three-year term early September 2000 early September 2003 - ------------------------------------------------------------------------------------------------- Ocean Baroness - - February 2002 - ------------------------------------------------------------------------------------------------- Ocean Confidence five-year term early January 2001 early January 2006 - ------------------------------------------------------------------------------------------------- Ocean Clipper three-year term mid January 2000 mid January 2003 - ------------------------------------------------------------------------------------------------- NOTES: DOTS = Diamond Offshore Team Solutions, Inc. GOM = Gulf of Mexico ** TABLE CONTINUED ** DAYRATE RIG NAME (IN THOUSANDS) FUTURE CONTRACT AND OTHER INFORMATION - ------------------------------------------------------------------------------------------- Ocean Crusader lower 20's one well with Walter in mid 30's ending early March 2001; followed by one well with Walter in mid 30's ending early April 2001 - ------------------------------------------------------------------------------------------- Ocean Drake mid 30's two-month extension plus option with Chevron in lower 40's ending early April 2001 - ------------------------------------------------------------------------------------------- Ocean Champion mid 30's one well plus option in upper 30's with Dominion ending early April 2001 - ------------------------------------------------------------------------------------------- Ocean Columbia upper teens six month extension plus option in lower 40's ending mid July 2001 - ------------------------------------------------------------------------------------------- Ocean Spartan lower 40's available - ------------------------------------------------------------------------------------------- Ocean Spur upper 30's available - ------------------------------------------------------------------------------------------- Ocean Sovereign lower 30's shipyard repairs beginning mid December 2000 and ending mid April 2001 - ------------------------------------------------------------------------------------------- Ocean Heritage lower 30's substitution for Ocean Sovereign beginning early October 2000 ending mid April 2001 - ------------------------------------------------------------------------------------------- Ocean King lower 50's 90-day extension plus option with BP in lower 50's ending late May 2001 - ------------------------------------------------------------------------------------------- Ocean Nugget - available - ------------------------------------------------------------------------------------------- Ocean Summit lower 30's available - ------------------------------------------------------------------------------------------- Ocean Warwick lower 50's available - ------------------------------------------------------------------------------------------- Ocean Titan mid 30's available - ------------------------------------------------------------------------------------------- Ocean Tower mid 30's one well plus option in upper 40's with Spinnaker ending late March 2001 - ------------------------------------------------------------------------------------------- Ocean Liberator lower 40's available - ------------------------------------------------------------------------------------------- Ocean Century - - - ------------------------------------------------------------------------------------------- Ocean Ambassador - available - ------------------------------------------------------------------------------------------- Ocean Nomad - shipyard repairs beginning mid January 2001 and ending mid April 2001 - ------------------------------------------------------------------------------------------- DAYRATE RIG NAME (IN THOUSANDS) FUTURE CONTRACT AND OTHER INFORMATION - ------------------------------------------------------------------------------------------- Ocean Epoch - available - ------------------------------------------------------------------------------------------- Ocean General upper 40's contracted for one well with OMV in lower 60's ending mid February 2001; followed by 200-day term contract with Woodside in lower 80's ending early September 2001 - ------------------------------------------------------------------------------------------- Ocean New Era - available - ------------------------------------------------------------------------------------------- Ocean Bounty lower 80's available until early March 2001 - ------------------------------------------------------------------------------------------- Ocean Guardian lower 40's contracted for one workover extension with Venture in lower 40's ending mid February 2001; followed by shipyard ending late February 2001 - ------------------------------------------------------------------------------------------- Ocean Princess upper 30's one well with Talisman in upper 30's ending late May 2001; followed by one well with Talisman in lower 40's ending early July 2001; followed by three month term plus options with Talisman in high 60's ending early October 2001. - ------------------------------------------------------------------------------------------- Ocean Whittington 100's available - ------------------------------------------------------------------------------------------- Ocean Prospector - - - ------------------------------------------------------------------------------------------- Ocean Endeavor - available - ------------------------------------------------------------------------------------------- Ocean Rover - - - ------------------------------------------------------------------------------------------- Ocean Concord lower 30's two wells plus option with Walter in upper 30's ending late February 2001 - ------------------------------------------------------------------------------------------- Ocean Lexington mid 30's spar program with Kerr McGee in lower 40's ending - ------------------------------------------------------------------------------------------- Ocean Saratoga mid 30's available - ------------------------------------------------------------------------------------------- Ocean Yorktown lower 60's available - ------------------------------------------------------------------------------------------- Ocean Voyager lower 40's contracted for one well extension with option with Mariner in lower 40's ending mid March 2001 - ------------------------------------------------------------------------------------------- Ocean Yatzy 120's available - ------------------------------------------------------------------------------------------- DAYRATE RIG NAME (IN THOUSANDS) FUTURE CONTRACT AND OTHER INFORMATION - ------------------------------------------------------------------------------------------- Ocean Worker 120's available - ------------------------------------------------------------------------------------------- Ocean Quest lower 70's available - ------------------------------------------------------------------------------------------- Ocean Winner lower 80's contracted for 18 month extension with Petrobras in lower 80's ending late October 2002 - ------------------------------------------------------------------------------------------- Ocean Star mid 80's contracted for two well extension with Kerr McGee in mid 90's ending late April 2001; followed by six month extension plus option with Kerr McGee in 100's ending late October 2001 - ------------------------------------------------------------------------------------------- Ocean Victory 120's contracted for 180 day extension plus option with BP in 110's ending late August 2001 - ------------------------------------------------------------------------------------------- Ocean America lower 80's one well extension plus option with BP in 110's ending mid June 2001 - ------------------------------------------------------------------------------------------- Ocean Valiant 110's contracted for Conger Prospect in 110's ending late March 2001; followed by 120's ending late December 2001 - ------------------------------------------------------------------------------------------- Ocean Alliance 110's available - ------------------------------------------------------------------------------------------- Ocean Baroness - available - ------------------------------------------------------------------------------------------- Ocean Confidence 170's available - ------------------------------------------------------------------------------------------- Ocean Clipper lower 90's available - ------------------------------------------------------------------------------------------- NOTES: DOTS = Diamond Offshore Team Solutions, Inc. GOM = Gulf of Mexico