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 # 852229 INCIDENT DESCRIPTION *Report taken at 12:57 on 21-OCT-07

Incident Type: FIXED

Incident Cause: EQUIPMENT FAILURE Affected Area: GULF OF MEXICO

The incident occurred on 21-OCT-07 at 09:20 local time.

Affected Medium: WATER   GULF OF MEXICO

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SUSPECTED RESPONSIBLE PARTY

Organization:         ANADARKO PETROLEUM CO.

WOODLANDS, TX 77380

Type of Organization: PRIVATE ENTERPRISE

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INCIDENT LOCATION

County: GREEN CANYON State: LA Latitude: 27 Degrees 13' 25" N

Longitude: 90 Degrees 50' 14" W GULF OF MEXICO, WELL# 726-1

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RELEASED MATERIAL(S)

CHRIS Code: NCC    Official Material Name: NO CHRIS CODE

Also Known As:  SYNTHETIC BASED MUD

Qty Released: 1600 BARREL(S)           Qty in Water: 1600 BARREL(S)

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DESCRIPTION OF INCIDENT

CALLER REPORTED THAT SYNTHETIC BASED MUD RELEASED FROM A WELL INTO THE WATER DUE TO A HOLE IN THE MARINE RISER.

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INCIDENT DETAILS

Package: N/A Building ID: Type of Fixed Object: WELLHEAD Power Generating Facility: NO Generating Capacity: Type of Fuel: NPDES: NPDES Compliance: UNKNOWN

---WATER INFORMATION--- Body of Water: GULF OF MEXICO Tributary of: Nearest River Mile Marker: Water Supply Contaminated: NO

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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:

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REMEDIAL ACTIONS

TRIED TO PUMP A PILL TO PLUG THE HOLE, BUT WAS UNSUCCESSFUL, SHUT IN THE WELL, WILL SET A STORM PLUG AND REPAIR THE RAISER

Release Secured: YES Release Rate: Estimated Release Duration:

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WEATHER

Weather: CLEAR, 81ºF

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ADDITIONAL AGENCIES NOTIFIED

Federal:

NONE

State/Local:

NONE

State/Local On Scene:

State Agency Number:

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NOTIFICATIONS BY NRC

USCG HSOC AT DHS (USCG HSOC DESK)

21-OCT-07

13:04

DOT CRISIS MANAGEMENT CENTER (MAIN OFFICE)

21-OCT-07

13:04

FLD INTEL SUPPORT TEAM NEW ORLEANS (SUPERVISOR, FIST NEW ORLEANS)

21-OCT-07

13:04

GULF STRIKE TEAM (MAIN OFFICE)

21-OCT-07

13:04

JFO-LA (COMMAND CENTER)

21-OCT-07

13:04

JFO-LA (FEMA JFO LA)

21-OCT-07

13:04

LA DEPT OF ENV QUAL (MAIN OFFICE)

21-OCT-07

13:04

LA OFFICE OF EMERGENCY PREPAREDNESS (MAIN OFFICE)

21-OCT-07

13:04

LA OFFICE OF GOV ATTN ROLAND GUIDRY (MAIN OFFICE)

21-OCT-07

13:04

LA OFFICE OF PUBLIC HEALTH (MAIN OFFICE)

21-OCT-07

13:04

MSO MORGAN CITY (MAIN OFFICE)

21-OCT-07

13:08

NATIONAL INFRASTRUCTURE COORD CTR (MAIN OFFICE)

21-OCT-07

13:04

NOAA RPTS FOR LA (MAIN OFFICE)

21-OCT-07

13:04

LA STATE POLICE (MAIN OFFICE)

21-OCT-07

13:04

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ADDITIONAL INFORMATION

CALLER WILL NOTIFY THE MMS.

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*** END INCIDENT REPORT #

852229

***