NATIONAL RESPONSE CENTER 1-800-424-8802 *** For Public Use *** Information released to a third party shall comply with any applicable federal and/or state Freedom of Information and Privacy Laws Incident Report # 787864 INCIDENT DESCRIPTION *Report taken at 19:34 on 12-FEB-06 Incident Type: VESSEL Incident Cause: EQUIPMENT FAILURE Affected Area: GULF OF MEXICO The incident occurred on 12-FEB-06 at 17:30 local time. Affected Medium: WATER GULF OF MEXICO ____________________________________________________________________________ SUSPECTED RESPONSIBLE PARTY Organization: TRANSOCEAN HOUSTON, TX 77084 Type of Organization: PRIVATE ENTERPRISE ____________________________________________________________________________ INCIDENT LOCATION County: MISSISSIPPI CANYON State: LA Latitude: 28 Degrees 10' 0" N Longitude: 88 Degrees 29' 0" W GULF OF MEXICO ____________________________________________________________________________ RELEASED MATERIAL(S) CHRIS Code: NCC Official Material Name: NO CHRIS CODE Also Known As: PETROLEUM FREE SYNTHETIC BASED DRILLING MUD Qty Released: 21 BARREL(S) Qty in Water: 21 BARREL(S) ________________________________________________________________________ DESCRIPTION OF INCIDENT THE MATERIAL RELEASED FROM A DRILLING SHIP SITTING ON THE SEA FLOOR DUE TO SEAL DAMAGE. ____________________________________________________________________________ INCIDENT DETAILS Platform Rig Name: Platform Letter: Location Area ID: MISSISSIPPI CANYON Location Block ID: 822 OCSG Number: OCSP Number: State Lease Number: Pier Dock Number: Berth Slip Number: ---WATER INFORMATION--- Body of Water: GULF OF MEXICO Tributary of: Nearest River Mile Marker: Water Supply Contaminated: NO ---VESSEL INFORMATION--- Name: DISCOVERER ENTERPRISE Number: 9186792 Aground: NO Flag: UNITED STATES OF AMERICA Length: Breadth: Draught: Type: OTHER Hull Construction: Fuel Capacity: 0 UNKNOWN AMOUNT Fuel on Board: 0 UNKNOWN AMOUNT Cargo Capacity: 0 UNKNOWN AMOUNT Cargo on Board: 0 UNKNOWN AMOUNT ____________________________________________________________________________ DAMAGES Fire Involved: NO Fire Extinguished: UNKNOWN INJURIES: NO Hospitalized: Empl/Crew: Passenger: FATALITIES: NO Empl/Crew: Passenger: Occupant: EVACUATIONS: NO Who Evacuated: Radius/Area: Damages: NO Length of Direction of Closure Type Description of Closure Closure Closure Air: N Road: N Major Artery: N Waterway: N Track: N Passengers Transferred: NO Environmental Impact: UNKNOWN Media Interest: NONE Community Impact due to Material: NO ____________________________________________________________________________ REMEDIAL ACTIONS NO SHEEN WAS OBSERVED, DISPLACING THE MUD OUT OF THE RISER, REPAIRS ARE UNDERWAY Release Secured: YES Release Rate: Estimated Release Duration: ____________________________________________________________________________ WEATHER Weather: CLEAR, 68ºF Wave Condition: 5 VERY ROUGH (8 - 12 FT) ____________________________________________________________________________ ADDITIONAL AGENCIES NOTIFIED Federal: State/Local: State/Local On Scene: State Agency Number: ____________________________________________________________________________ NOTIFICATIONS BY NRC USCG HSOC AT DHS (USCG HSOC DESK) 12-FEB-06 19:38 CG INVESTIGATIVE SERVICE HQ (PRIMARY) 12-FEB-06 19:38 DOT CRISIS MANAGEMENT CENTER (PRIMARY) 12-FEB-06 19:38 USCG FIST NEW ORLEANS (SUPERVISOR, FIST NEW ORLEANS) 12-FEB-06 19:38 LA DEPT OF ENV QUAL (PRIMARY) 12-FEB-06 19:38 LA OFFICE OF EMERGENCY PREPAREDNESS (PRIMARY) 12-FEB-06 19:38 LA OFFICE OF GOV ATTN ROLAND GUIDRY (PRIMARY) 12-FEB-06 19:38 LA OFFICE OF PUBLIC HEALTH (PRIMARY) 12-FEB-06 19:38 MSO MORGAN CITY (PRIMARY) 12-FEB-06 19:41 NATIONAL INFRASTRUCTURE COORD CTR (PRIMARY) 12-FEB-06 19:38 NOAA RPTS FOR LA (PRIMARY) 12-FEB-06 19:38 LA STATE POLICE (PRIMARY) 12-FEB-06 19:38 ____________________________________________________________________________ ADDITIONAL INFORMATION NO SHEEN INFORMATION. ___________________________________________________________________________ *** END INCIDENT REPORT # 787864 ***