NATIONAL RESPONSE TEAM

Of The National Oil and Hazardous Substances Pollution Contingency Plan

G-OPF 2100 2nd St. S.W., Washington, DC 20593-0001

INCIDENT SUMMARY 022-97

Sitrep Three and Final

26 June 1997

 

These reports describe significant environmental incidents reported to and tracked by the National Response Center. They reflect both new incidents and follow-up information describing actions taken for previously reported events. The NRC publishes Incident Summary Reports periodically upon receipt of documentary information from the Federal On-Scene Coordinator.

NRC Case #: 022-97
INSUM #: Three and Final
Occurence Date: 17 June, 1997
Location: Butte LaRose, LA
Source: Rig Mallard 52
Material: Natural Gas
Severity: Major
Quantity Discharged: Unknown
Quantity in Water: Unknown
Body of Water Affected: Atchafalaya River
Federal On-Scene Coordinator: MSO Morgan City, LA

 

SITUATION: This updates the Rig Mallard 52 fire and explosion that occurred while drilling for natural gas on Lake Chicot gas field off the Atchalafaya River. "Dynamic well kill" has been completed. Shearing operations have been conducted and gas flow has been controlled with a choke system. Excess pressure was bled off after pumping of kill fluid was completed. USCG Gulf Strike Team and Spill contractors have been released. Marine Safety Office Morgan City will conduct investigate of incident as a Major Marine Casualty. CASE CLOSED THIS UNIT.