LEGACY RESOURCES CO LP — Gas transmission and gathering — incident on 2014-12-09

Gas transmission and gathering incident in AL. Reported cause: OTHER INCIDENT CAUSE. Reported consequences: 0 fatalities, 0 injuries, 73.5 NATURAL GAS released, $400,000 reported property damage. Operator-reported incident data submitted to PHMSA, generally within 30 days. Records may be supplemented or corrected and do not represent final agency causal findings.

Report number: 20140140.

Operator ID: 31836.

Reported incident date: 12/9/2014 1:00.

Cause detail: MISCELLANEOUS

Cause detail: AN UNKNOWN VESSEL RAN OVER THE STRUCTURAL PLATFORM AND WELL. THE ACTUATOR AND STEM ON THE UPPERMASTER TREE VALVE WAS SHEARED OFF AND COULD NOT CLOSE. GAS WAS BUBBLING OUT OF THE UPPERMASTER. DIVERS WERE DISPATCHED AND FOUND THAT THE STEM OF THE MANUAL LOWER MASTER VALVE WAS ALSO BENT BY THE UNKNOWN VESSEL. DIVERS WERE ABLE TO RELIEVE CONTROL PRESSURE TO THE SCSSV AND IT CLOSED, STOPPING THE LEAK. DIVERS REMOVED ALL VALVES ABOVE LOWER MASTER VALVEAND INSTALLED A NEW VALVE AND CLOSED IT. THE WELL HAS BEEN PLUGGED AND ABANDONED, THE STUCTURE IS BEING CLEARED AND FLOWLINES ABANDONED. NO SUPPLEMENTAL REPORT WILL BE FILED.

PHMSA trend classification: significant incident, not serious.

PHMSA standardized cause: ALL OTHER CAUSES — MISCELLANEOUS.

PHMSA indexed costs: $600,296 reported total cost, $304,655.631 in 1984 dollars, $750,020.205 in current-year dollars.

PHMSA trend flags, standardized causes, and indexed costs are analytical fields added to operator-reported incident data. They do not represent final agency causal findings.