EXHIBIT 99.1 DIAMOND OFFSHORE DRILLING, INC. RIG STATUS REPORT AS OF OCTOBER 14, 2003 RIG NAME WD DESIGN LOCATION STATUS* OPERATOR - ------------------------------------------------------------------------------------------------------------------- DOMESTIC DEEPWATER SEMISUBMERSIBLES (6) - ------------------------------------------------------------------------------------------------------------------- Ocean Quest 3,500' Victory Class GOM Idle DODI - ------------------------------------------------------------------------------------------------------------------- Ocean Star 5,500' Victory Class GOM Contracted Kerr McGee - ------------------------------------------------------------------------------------------------------------------- Ocean America 5,500' Ocean Odyssey GOM Contracted Devon - ------------------------------------------------------------------------------------------------------------------- Ocean Valiant 5,500' Ocean Odyssey GOM Contracted Amerada Hess - ------------------------------------------------------------------------------------------------------------------- Ocean Victory 5,500' Victory Class GOM Idle DODI - ------------------------------------------------------------------------------------------------------------------- Ocean Confidence 7,500' DP Aker H-3.2 Modified GOM Contracted BP - ------------------------------------------------------------------------------------------------------------------- DOMESTIC 2ND/3RD GENERATION SEMISUBMERSIBLES (4) - ------------------------------------------------------------------------------------------------------------------- Ocean Concord 2,200' F&G SS-2000 GOM Contracted Kerr McGee - ------------------------------------------------------------------------------------------------------------------- Ocean Lexington 2,200' F&G SS-2000 GOM Contracted Walter Oil & Gas - ------------------------------------------------------------------------------------------------------------------- Ocean Saratoga 2,200' F&G SS-2000 GOM Contracted LLOG - ------------------------------------------------------------------------------------------------------------------- Ocean Yorktown 2,850' F&G SS-2000 GOM Shipyard preparing for DODI PEMEX work - ------------------------------------------------------------------------------------------------------------------- DOMESTIC JACKUPS (11) - ------------------------------------------------------------------------------------------------------------------- Ocean Crusader 200' Mat Cantilever GOM Contracted Walter Oil & Gas - ------------------------------------------------------------------------------------------------------------------- Ocean Drake 200' Mat Cantilever GOM Contracted Chevron/Texaco - ------------------------------------------------------------------------------------------------------------------- Ocean Columbia 250' Independent Leg GOM Contracted ADTI/Tana Cantilever - ------------------------------------------------------------------------------------------------------------------- Ocean Spartan 300' Independent Leg GOM Contracted Stone Energy Cantilever - ------------------------------------------------------------------------------------------------------------------- Ocean Spur 300' Independent Leg GOM Contracted Entre/Howard Cantilever - ------------------------------------------------------------------------------------------------------------------- Ocean King 300' Independent Leg GOM Contracted BP America Cantilever - ------------------------------------------------------------------------------------------------------------------- Ocean Nugget 300' Independent Leg GOM Contracted Taylor Energy Cantilever - ------------------------------------------------------------------------------------------------------------------- Ocean Summit 300' Independent Leg GOM Contracted El Paso Cantilever - ------------------------------------------------------------------------------------------------------------------- Ocean Warwick 300' Independent Leg GOM Contracted Murphy Cantilever - ------------------------------------------------------------------------------------------------------------------- Ocean Titan 350' Independent Leg Slot GOM Shipyard for cantilever DODI upgrade - ------------------------------------------------------------------------------------------------------------------- Ocean Tower 350' Independent Leg GOM Contracted Denbury Cantilever - ------------------------------------------------------------------------------------------------------------------- 1 - ------------------------------------------------------------------------------------------------------------------- INTERNATIONAL SEMISUBMERSIBLES (16) - ------------------------------------------------------------------------------------------------------------------- MEXICO - ------------------------------------------------------------------------------------------------------------------- Ocean Ambassador 1,100' Bethlehem SS-2000 GOM Contracted PEMEX - ------------------------------------------------------------------------------------------------------------------- Ocean Whittington 1,500' Aker H-3 GOM Contracted PEMEX - ------------------------------------------------------------------------------------------------------------------- Ocean Worker 3,500' F&G 9500 Enhanced GOM Contracted PEMEX Pacesetter - ------------------------------------------------------------------------------------------------------------------- AFRICA - ------------------------------------------------------------------------------------------------------------------- Ocean Patriot 1,500' Bingo 3000 South Africa Contracted Forest Oil - ------------------------------------------------------------------------------------------------------------------- NORTH SEA - ------------------------------------------------------------------------------------------------------------------- Ocean Nomad 1,200' Aker H-3 North Sea Idle DODI - ------------------------------------------------------------------------------------------------------------------- Ocean Guardian 1,500' Earl & Wright Sedco 711 North Sea Contracted Shell Series - ------------------------------------------------------------------------------------------------------------------- Ocean Princess 1,500' Aker H-3 North Sea Contracted Talisman - ------------------------------------------------------------------------------------------------------------------- Ocean Vanguard 1,500' Bingo 3000 North Sea Idle DODI - ------------------------------------------------------------------------------------------------------------------- AUSTRALASIA - ------------------------------------------------------------------------------------------------------------------- Ocean Bounty 1,500' Victory Class Australia Contracted Inpex - ------------------------------------------------------------------------------------------------------------------- Ocean Epoch 1,640' Korkut Australia Contracted Santos - ------------------------------------------------------------------------------------------------------------------- Ocean General 1,640' Korkut Vietnam Idle DODI - ------------------------------------------------------------------------------------------------------------------- Ocean Baroness 7,000' Victory Class Indonesia Contracted Unocal - ------------------------------------------------------------------------------------------------------------------- Ocean Rover 7,000' Victory Class Singapore Contracted Murphy - ------------------------------------------------------------------------------------------------------------------- BRAZIL - ------------------------------------------------------------------------------------------------------------------- Ocean Yatzy 3,300' DP DYVI Super Yatzy Brazil Contracted Petrobras - ------------------------------------------------------------------------------------------------------------------- Ocean Winner 3,500' Aker H-3 Brazil Contracted Petrobras - ------------------------------------------------------------------------------------------------------------------- Ocean Alliance 5,000' Alliance Class Brazil Contracted Petrobras - ------------------------------------------------------------------------------------------------------------------- 2 INTERNATIONAL DRILLSHIPS (1) - ------------------------------------------------------------------------------------------------------------------- Ocean Clipper 7,500' DP Fluor/Mitsubishi Brazil Contracted Petrobras - ------------------------------------------------------------------------------------------------------------------- INTERNATIONAL JACKUPS (2) - ------------------------------------------------------------------------------------------------------------------- Ocean Sovereign 250' Independent Leg Indonesia Idle DODI Cantilever - ------------------------------------------------------------------------------------------------------------------- Ocean Heritage 300' Independent Leg Indonesia Idle DODI Cantilever - ------------------------------------------------------------------------------------------------------------------- COLD STACKED (7) - ------------------------------------------------------------------------------------------------------------------- Ocean Liberator 600' Aker H-3 S. Africa Cold Stacked DODI - ------------------------------------------------------------------------------------------------------------------- Ocean Century 800' Korkut GOM Cold Stacked DODI - ------------------------------------------------------------------------------------------------------------------- Ocean Prospector 1,700' Victory Class GOM Cold Stacked DODI - ------------------------------------------------------------------------------------------------------------------- Ocean Champion 250' Mat Slot GOM Cold Stacked DODI - ------------------------------------------------------------------------------------------------------------------- Ocean Endeavor 2,000' Victory Class GOM Cold Stacked DODI - ------------------------------------------------------------------------------------------------------------------- Ocean Voyager 3,200' Victory Class GOM Cold Stacked DODI - ------------------------------------------------------------------------------------------------------------------- Ocean New Era 1,500' Korkut GOM Cold Stacked DODI - ------------------------------------------------------------------------------------------------------------------- NOTES: * ASSUME 95-98% UTILIZATION RATE DURING CONTRACTED PERIODS TO ALLOW FOR NORMAL EQUIPMENT REPAIR DOWNTIME GOM = Gulf of Mexico ** TABLE CONTINUED ** 3 EXHIBIT 99.1 DIAMOND OFFSHORE DRILLING, INC. RIG STATUS REPORT AS OF OCTOBER 14, 2003 RIG NAME CURRENT TERM DAYRATE (000S) START DATE - ------------------------------------------------------------------------------------- DOMESTIC DEEPWATER SEMISUBMERSIBLES (6) - ------------------------------------------------------------------------------------- Ocean Quest - - - - ------------------------------------------------------------------------------------- Ocean Star nine month term work mid 80's early March 2003 - ------------------------------------------------------------------------------------- Ocean America one well upper 60's early June 2003 - ------------------------------------------------------------------------------------- Ocean Valiant one well plus option mid 50's late September 2003 - ------------------------------------------------------------------------------------- Ocean Victory - - - - ------------------------------------------------------------------------------------- Ocean Confidence five-year term 170's early January 2001 - ------------------------------------------------------------------------------------- DOMESTIC 2ND/3RD GENERATION SEMISUBMERSIBLES (4) - ------------------------------------------------------------------------------------- Ocean Concord second of two wells mid 40's early July 2003 - ------------------------------------------------------------------------------------- Ocean Lexington first of two wells plus low 40's late August 2003 option - ------------------------------------------------------------------------------------- Ocean Saratoga one well plus option low 40's late September 2003 - ------------------------------------------------------------------------------------- Ocean Yorktown - - - - ------------------------------------------------------------------------------------- DOMESTIC JACKUPS (11) - ------------------------------------------------------------------------------------- Ocean Crusader second of two wells low 20's late June 2003 - ------------------------------------------------------------------------------------- Ocean Drake 90 day term plus option mid 20's mid October 2003 - ------------------------------------------------------------------------------------- Ocean Columbia one well mid 20's mid August 2003 - ------------------------------------------------------------------------------------- Ocean Spartan one well mid 20's late July 2003 - ------------------------------------------------------------------------------------- Ocean Spur third of three wells upper 20's late August 2003 - ------------------------------------------------------------------------------------- Ocean King multiple wells low 30's early April 2003 - ------------------------------------------------------------------------------------- Ocean Nugget first of three wells mid 20's mid September 2003 - ------------------------------------------------------------------------------------- Ocean Summit second of three wells upper 20's late August 2003 plus option - ------------------------------------------------------------------------------------- Ocean Warwick one well plus option upper 20's late September 2003 - ------------------------------------------------------------------------------------- Ocean Titan - - - - ------------------------------------------------------------------------------------- Ocean Tower second of four wells plus mid 30's late August 2003 option - ------------------------------------------------------------------------------------- 1 - ------------------------------------------------------------------------------------- INTERNATIONAL SEMISUBMERSIBLES (16) - ------------------------------------------------------------------------------------- MEXICO - ------------------------------------------------------------------------------------- Ocean Ambassador four year term work mid 50's late July 2003 - ------------------------------------------------------------------------------------- Ocean Whittington four year term work low 60's late July 2003 - ------------------------------------------------------------------------------------- Ocean Worker four year term work upper 60's mid August 2003 - ------------------------------------------------------------------------------------- AFRICA - ------------------------------------------------------------------------------------- Ocean Patriot 100 days plus option mid 50's mid September - ------------------------------------------------------------------------------------- NORTH SEA - ------------------------------------------------------------------------------------- Ocean Nomad - - - - ------------------------------------------------------------------------------------- Ocean Guardian one year plus one year low 50's early April 2003 option - ------------------------------------------------------------------------------------- Ocean Princess second well low 40's late May 2003 - ------------------------------------------------------------------------------------- Ocean Vanguard _ _ _ - ------------------------------------------------------------------------------------- AUSTRALASIA - ------------------------------------------------------------------------------------- Ocean Bounty second of three wells plus low 70's mid June 2003 option for two - ------------------------------------------------------------------------------------- Ocean Epoch one well plus option low 60's mid September 2003 - ------------------------------------------------------------------------------------- Ocean General - - - - ------------------------------------------------------------------------------------- Ocean Baroness 400 days plus option 110's late March 2003 - ------------------------------------------------------------------------------------- Ocean Rover Three wells plus option 110s mid July 2003 - ------------------------------------------------------------------------------------- BRAZIL - ------------------------------------------------------------------------------------- Ocean Yatzy five-year term plus option 120's early November 1998 - ------------------------------------------------------------------------------------- Ocean Winner one year extension low 60's early November 2002 - ------------------------------------------------------------------------------------- Ocean Alliance four-year contract 110's early September 2000 - ------------------------------------------------------------------------------------- 2 INTERNATIONAL DRILLSHIPS (1) - ------------------------------------------------------------------------------------- Ocean Clipper one-year extension 100's mid February 2003 - ------------------------------------------------------------------------------------- INTERNATIONAL JACKUPS (2) - ------------------------------------------------------------------------------------- Ocean Sovereign - - - - ------------------------------------------------------------------------------------- Ocean Heritage - - - - ------------------------------------------------------------------------------------- COLD STACKED (7) - ------------------------------------------------------------------------------------- Ocean Liberator - - - - ------------------------------------------------------------------------------------- Ocean Century - - - - ------------------------------------------------------------------------------------- Ocean Prospector - - - - ------------------------------------------------------------------------------------- Ocean Champion - - - - ------------------------------------------------------------------------------------- Ocean Endeavor - - - - ------------------------------------------------------------------------------------- Ocean Voyager - - - - ------------------------------------------------------------------------------------- Ocean New Era - - - - ------------------------------------------------------------------------------------- NOTES: * ASSUME 95-98% UTILIZATION RATE DURING CONTRACTED PERIODS TO ALLOW FOR NORMAL EQUIPMENT REPAIR DOWNTIME GOM = Gulf of Mexico ** TABLE CONTINUED ** 3 EXHIBIT 99.1 DIAMOND OFFSHORE DRILLING, INC. RIG STATUS REPORT AS OF OCTOBER 14, 2003 RIG NAME ESTIMATED END DATE FUTURE CONTRACT AND OTHER INFORMATION - ----------------------------------------------------------------------------------------------- DOMESTIC DEEPWATER SEMISUBMERSIBLES (6) - ----------------------------------------------------------------------------------------------- Ocean Quest - available. - ----------------------------------------------------------------------------------------------- Ocean Star late October 2003 Two wells plus option with Kerr McGee in mid 70's beginning late October and ending late December 2003; available. - ----------------------------------------------------------------------------------------------- Ocean America mid October 2003 available. - ----------------------------------------------------------------------------------------------- Ocean Valiant late December 2003 available. - ----------------------------------------------------------------------------------------------- Ocean Victory - available. - ----------------------------------------------------------------------------------------------- Ocean Confidence early January 2006 available. - ----------------------------------------------------------------------------------------------- DOMESTIC 2ND/3RD GENERATION SEMISUBMERSIBLES (4) - ----------------------------------------------------------------------------------------------- Ocean Concord mid November 2003 one well extension; available. - ----------------------------------------------------------------------------------------------- Ocean Lexington early November 2003 available. - ----------------------------------------------------------------------------------------------- Ocean Saratoga early November 2003 available. - ----------------------------------------------------------------------------------------------- Ocean Yorktown - 1,371 day contract with PEMEX in mid 40's beginning Oct. 25, 2003 and ending mid July 2007; available. - ----------------------------------------------------------------------------------------------- DOMESTIC JACKUPS (11) - ----------------------------------------------------------------------------------------------- Ocean Crusader mid October 2003 One well plus option with Stone in mid 20's beginning mid October and ending late December 2003; available. - ----------------------------------------------------------------------------------------------- Ocean Drake early January 2004 available. - ----------------------------------------------------------------------------------------------- Ocean Columbia mid October 2003 One well with ADTI/Seneca in upper 20's beginning mid October and ending late October 2003; available. - ----------------------------------------------------------------------------------------------- Ocean Spartan mid November 2003 available. - ----------------------------------------------------------------------------------------------- Ocean Spur late October 2003 available. - ----------------------------------------------------------------------------------------------- Ocean King late October 2003 available. - ----------------------------------------------------------------------------------------------- Ocean Nugget late November 2003 Two wells in mid 20's and third well in low 30's; followed by six month extension plus option in low 30's ending late May 2004; available. - ----------------------------------------------------------------------------------------------- Ocean Summit mid November 2003 available. - ----------------------------------------------------------------------------------------------- Ocean Warwick late December 2003 available. - ----------------------------------------------------------------------------------------------- Ocean Titan - Cantilever upgrade ending mid December 2003. - ----------------------------------------------------------------------------------------------- Ocean Tower late December 2003 available. - ----------------------------------------------------------------------------------------------- 1 - ----------------------------------------------------------------------------------------------- INTERNATIONAL SEMISUBMERSIBLES (16) - ----------------------------------------------------------------------------------------------- MEXICO - ----------------------------------------------------------------------------------------------- Ocean Ambassador mid December 2007 available. - ----------------------------------------------------------------------------------------------- Ocean Whittington early October 2006 available. - ----------------------------------------------------------------------------------------------- Ocean Worker late July 2007 available. - ----------------------------------------------------------------------------------------------- AFRICA - ----------------------------------------------------------------------------------------------- Ocean Patriot late December 2003 available. - ----------------------------------------------------------------------------------------------- NORTH SEA - ----------------------------------------------------------------------------------------------- Ocean Nomad - available. - ----------------------------------------------------------------------------------------------- Ocean Guardian late March 2004 available. - ----------------------------------------------------------------------------------------------- Ocean Princess early November 2003 First option declared plus option with Talisman in low 40s beginning early November 2003 and ending mid January 2004. - ----------------------------------------------------------------------------------------------- Ocean Vanguard _ available. - ----------------------------------------------------------------------------------------------- AUSTRALASIA - ----------------------------------------------------------------------------------------------- Ocean Bounty late February 2004 available. - ----------------------------------------------------------------------------------------------- Ocean Epoch mid December 2003 available. - ----------------------------------------------------------------------------------------------- Ocean General - Standby for PetroVietman; available. - ----------------------------------------------------------------------------------------------- Ocean Baroness early May 2004 available. - ----------------------------------------------------------------------------------------------- Ocean Rover late December 2003 available. - ----------------------------------------------------------------------------------------------- BRAZIL - ----------------------------------------------------------------------------------------------- Ocean Yatzy early November 2003 Scheduled for survey in 4th Qtr. Estimated downtime 30 days. - ----------------------------------------------------------------------------------------------- Ocean Winner late October 2004 Scheduled for survey in 4th Qtr. Estimated downtime 60 days. - ----------------------------------------------------------------------------------------------- Ocean Alliance early September 2004 Scheduled for survey in 1st Qtr. '04 Estimated downtime 60 days. - ----------------------------------------------------------------------------------------------- 2 INTERNATIONAL DRILLSHIPS (1) - ----------------------------------------------------------------------------------------------- Ocean Clipper early January 2004 available. - ----------------------------------------------------------------------------------------------- INTERNATIONAL JACKUPS (2) - ----------------------------------------------------------------------------------------------- Ocean Sovereign - available. - ----------------------------------------------------------------------------------------------- Ocean Heritage - available. - ----------------------------------------------------------------------------------------------- COLD STACKED (7) - ----------------------------------------------------------------------------------------------- Ocean Liberator - Cold stacked Nov. '02. - ----------------------------------------------------------------------------------------------- Ocean Century - Cold stacked July '98. - ----------------------------------------------------------------------------------------------- Ocean Prospector - Cold stacked Oct. '99. - ----------------------------------------------------------------------------------------------- Ocean Champion - Cold Stacked Feb. '02. - ----------------------------------------------------------------------------------------------- Ocean Endeavor - Cold stacked March '02. - ----------------------------------------------------------------------------------------------- Ocean Voyager - Cold stacked March '02. - ----------------------------------------------------------------------------------------------- Ocean New Era - Cold stacked Dec. '02. - ----------------------------------------------------------------------------------------------- NOTES: * ASSUME 95-98% UTILIZATION RATE DURING CONTRACTED PERIODS TO ALLOW FOR NORMAL EQUIPMENT REPAIR DOWNTIME GOM = Gulf of Mexico ** TABLE COMPLETE ** 3