Exhibit 99.1 DIAMOND OFFSHORE DRILLING, INC. RIG STATUS REPORT AS OF DECEMBER 11, 2000 RIG NAME RATED DESIGN LOCATION STATUS OPERATOR WATER DEPTH - -------------------------------------------------------------------------------------------------------------------------------- Ocean Crusader 200' Mat Cantilever GOM Contracted Walter - -------------------------------------------------------------------------------------------------------------------------------- Ocean Drake 200' Mat Cantilever GOM Contracted Chevron - -------------------------------------------------------------------------------------------------------------------------------- Ocean Champion 250' Mat Slot GOM Contracted Cliffs/Chieftain - -------------------------------------------------------------------------------------------------------------------------------- Ocean Columbia 250' Independent Leg Cantilever GOM Contracted BP Vastar - -------------------------------------------------------------------------------------------------------------------------------- Ocean Spartan 250' Independent Leg Cantilever GOM Contracted BP Vastar - -------------------------------------------------------------------------------------------------------------------------------- Ocean Spur 250' Independent Leg Cantilever GOM Contracted BP Vastar - -------------------------------------------------------------------------------------------------------------------------------- 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 Vastar - -------------------------------------------------------------------------------------------------------------------------------- Ocean Titan 350' Independent Leg Slot GOM Contracted BP Vastar - -------------------------------------------------------------------------------------------------------------------------------- Ocean Tower 350' Independent Leg Slot GOM Contracted Houston Exploration - -------------------------------------------------------------------------------------------------------------------------------- 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 Contracted Stone Energy - -------------------------------------------------------------------------------------------------------------------------------- RIG NAME RATED DESIGN LOCATION STATUS OPERATOR WATER DEPTH - -------------------------------------------------------------------------------------------------------------------------------- Ocean Nomad 1,200' Aker H-3 North Sea Contracted Veba - -------------------------------------------------------------------------------------------------------------------------------- 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 Kerr McGee - -------------------------------------------------------------------------------------------------------------------------------- Ocean Guardian 1,500' Earl & Wright Sedco 711 NorthsSea 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 - -------------------------------------------------------------------------------------------------------------------------------- Ocean Worker 3,500' F&G 9500 Enhanced Pacesetter GOM Contracted Shell - -------------------------------------------------------------------------------------------------------------------------------- Ocean Quest 3,500' Victory Class GOM Contracted DOTS/Shell - -------------------------------------------------------------------------------------------------------------------------------- RIG NAME RATED DESIGN LOCATION STATUS OPERATOR WATER DEPTH - -------------------------------------------------------------------------------------------------------------------------------- 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 Modified Brazil Contracted Petrobras - -------------------------------------------------------------------------------------------------------------------------------- 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 late December 2000 - ---------------------------------------------------------------------------------------------------------- Ocean Drake four month extension plus late September 2000 late January 2001 option - ---------------------------------------------------------------------------------------------------------- Ocean Champion one well assignment from mid November 2000 late December 2000 Pogo - ---------------------------------------------------------------------------------------------------------- Ocean Columbia one year term plus option mid January 2000 mid January 2001 - ---------------------------------------------------------------------------------------------------------- Ocean Spartan six month term plus option late November 2000 late May 2001 - ---------------------------------------------------------------------------------------------------------- Ocean Spur six month term plus option early October 2000 early April 2001 - ---------------------------------------------------------------------------------------------------------- Ocean Sovereign two-year term mid September 2000 early August 2002 - ---------------------------------------------------------------------------------------------------------- Ocean Heritage Substitution for Ocean mid October 2000 late March 2001 Sovereign - ---------------------------------------------------------------------------------------------------------- Ocean King 90 day term plus option late October 2000 late February 2001 - ---------------------------------------------------------------------------------------------------------- Ocean Nugget - late September 2000 mid February 2001 - ---------------------------------------------------------------------------------------------------------- Ocean Summit one well extension mid November 2000 early January 2001 - ---------------------------------------------------------------------------------------------------------- Ocean Warwick six month term plus option early October 2000 early April 2001 - ---------------------------------------------------------------------------------------------------------- Ocean Titan one-well plus option early December 2000 early February 2001 - ---------------------------------------------------------------------------------------------------------- Ocean Tower one well early August 2000 mid December 2000 - ---------------------------------------------------------------------------------------------------------- Ocean Liberator two wells late October 2000 late January 2001 - ---------------------------------------------------------------------------------------------------------- Ocean Century - - - - ---------------------------------------------------------------------------------------------------------- Ocean Ambassador one well plus option late November 2000 mid December 2000 - ---------------------------------------------------------------------------------------------------------- RIG NAME CURRENT TERM START DATE ESTIMATED END DATE - ---------------------------------------------------------------------------------------------------------- Ocean Nomad one well plus one sidetrack late October 2000 mid January 2001 - ---------------------------------------------------------------------------------------------------------- Ocean Epoch - - - - ---------------------------------------------------------------------------------------------------------- Ocean General one well plus two options early December 2000 early January 2001 - ---------------------------------------------------------------------------------------------------------- Ocean New Era - - - - ---------------------------------------------------------------------------------------------------------- Ocean Bounty second of two wells late November 2000 late December 2000 - ---------------------------------------------------------------------------------------------------------- Ocean Guardian one well mid August 2000 mid December 2000 - ---------------------------------------------------------------------------------------------------------- Ocean Princess two wells plus two option early November 2000 early 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 early January 2001 - ---------------------------------------------------------------------------------------------------------- Ocean Lexington P&A program early December 2000 late January 2001 - ---------------------------------------------------------------------------------------------------------- Ocean Saratoga one well early November 2000 late December 2000 - ---------------------------------------------------------------------------------------------------------- Ocean Yorktown five-year term early June 1996 early June 2001 - ---------------------------------------------------------------------------------------------------------- Ocean Voyager one well early November 2000 mid December 2000 - ---------------------------------------------------------------------------------------------------------- Ocean Yatzy five-year term early November 1998 early November 2003 - ---------------------------------------------------------------------------------------------------------- Ocean Worker four-year term plus option mid January 1998 mid January 2002 - ---------------------------------------------------------------------------------------------------------- Ocean Quest P&A program late November 2000 mid December 2000 - ---------------------------------------------------------------------------------------------------------- RIG NAME CURRENT TERM START DATE ESTIMATED END DATE - ---------------------------------------------------------------------------------------------------------- Ocean Winner two-year term early May 1999 early May 2001 - ---------------------------------------------------------------------------------------------------------- Ocean Star Kerr McGee early December 2000 early 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 mid January 2001 - ---------------------------------------------------------------------------------------------------------- Ocean Alliance three-year term early September 2000 early September 2003 - ---------------------------------------------------------------------------------------------------------- Ocean Baroness - - February 2002 - ---------------------------------------------------------------------------------------------------------- Ocean Confidence five-year term upon customer acceptanc five-year term - ---------------------------------------------------------------------------------------------------------- Ocean Clipper three-year term mid January 2000 mid January 2003 - ---------------------------------------------------------------------------------------------------------- NOTES: DOTS = Diamond Offshore Team Solutions, Inc. GOM = Gulf of Mexico ** TABLE CONTINUED ** RIG NAME DAYRATE FUTURE CONTRACT (IN AND THOUSANDS) OTHER INFORMATION - -------------------------------------------------------------------------------------------- Ocean Crusader lower 20's contracted for two wells plus option with Walter in lower 20's ending mid January 2001 - -------------------------------------------------------------------------------------------- Ocean Drake mid 30's available - -------------------------------------------------------------------------------------------- Ocean Champion mid 30's one well plus option with Pogo in mid 30's ending mid January 2001; followed by one well plus option in upper 30's with Dominion ending early April 2001. - -------------------------------------------------------------------------------------------- Ocean Columbia upper teens available - -------------------------------------------------------------------------------------------- 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 late March 2001 - -------------------------------------------------------------------------------------------- Ocean Heritage lower 30's Substitution for Ocean Sovereign beginning early October 2000 ending late March 2001 - -------------------------------------------------------------------------------------------- Ocean King lower 50's available - -------------------------------------------------------------------------------------------- Ocean Nugget - available - -------------------------------------------------------------------------------------------- Ocean Summit lower 50's contracted for completion of previous well with EOG Resources in lower 30's ending late January 2001 - -------------------------------------------------------------------------------------------- Ocean Warwick lower 50's available - -------------------------------------------------------------------------------------------- Ocean Titan mid 30's available - -------------------------------------------------------------------------------------------- Ocean Tower mid 30's available - -------------------------------------------------------------------------------------------- Ocean Liberator lower 40's available - -------------------------------------------------------------------------------------------- Ocean Century - - - -------------------------------------------------------------------------------------------- Ocean Ambassador mid 30's available - -------------------------------------------------------------------------------------------- RIG NAME DAYRATE FUTURE CONTRACT (IN AND THOUSANDS) OTHER INFORMATION - -------------------------------------------------------------------------------------------- Ocean Nomad upper 30's shipyard repairs beginning mid January 2001 and ending mid April 2001 - -------------------------------------------------------------------------------------------- Ocean Epoch - available - -------------------------------------------------------------------------------------------- Ocean General upper 40's contracted for one well with OMVl in lower 60's ending late January 2001 - -------------------------------------------------------------------------------------------- Ocean New Era - available - -------------------------------------------------------------------------------------------- Ocean Bounty upper 40's contracted for one well with Nippon in lower 60's ending mid January 2001 - -------------------------------------------------------------------------------------------- Ocean Guardian lower 40's contracted for one well extension with Venture in lower 40's ending mid January 2001; followed by shipyard ending mid February 2001 - -------------------------------------------------------------------------------------------- Ocean Princess upper 30's available - -------------------------------------------------------------------------------------------- Ocean Whittington 100's available - -------------------------------------------------------------------------------------------- Ocean Prospector - - - -------------------------------------------------------------------------------------------- Ocean Endeavor - available - -------------------------------------------------------------------------------------------- Ocean Rover - - - -------------------------------------------------------------------------------------------- Ocean Concord lower 30's one well plus option with Walter in mid 30's ending late January 2001 - -------------------------------------------------------------------------------------------- Ocean Lexington mid 30's Spar program with Kerr McGee in lower 40's ending early July 2001 - -------------------------------------------------------------------------------------------- Ocean Saratoga mid 30's contracted for two wells plus option with Walter in upper 30's ending late January 2001 - -------------------------------------------------------------------------------------------- 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 late January 2001 - -------------------------------------------------------------------------------------------- Ocean Yatzy 120's available - -------------------------------------------------------------------------------------------- Ocean Worker 120's available - -------------------------------------------------------------------------------------------- Ocean Quest lower 70's available - -------------------------------------------------------------------------------------------- RIG NAME DAYRATE FUTURE CONTRACT (IN AND THOUSANDS) OTHER INFORMATION - -------------------------------------------------------------------------------------------- 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 early April 2001; followed by six month extension plus option with Kerr McGee in 100's ending early 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 January 2001; followed by 120's ending late December 2001 - -------------------------------------------------------------------------------------------- Ocean Alliance 110's available - -------------------------------------------------------------------------------------------- Ocean Baroness - available - -------------------------------------------------------------------------------------------- Ocean Confidence lower 170's available - -------------------------------------------------------------------------------------------- Ocean Clipper lower 90's available - -------------------------------------------------------------------------------------------- NOTES: DOTS = Diamond Offshore Team Solutions, Inc. GOM = Gulf of Mexico