IRONWOOD MIDSTREAM ENERGY PARTNERS, LLC

hazardous_liquid Incident —

Incident Information

Report Date
OperatorIRONWOOD MIDSTREAM ENERGY PARTNERS, LLC
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates28.93331, -97.79117

Cause

CauseEQUIPMENT FAILURE
Subcause—

Casualties

Fatalities0
Injuries0

Costs

Property Damage
Lost Commodity
Public/Private Damage
Emergency Response
Environmental Remediation
Other Costs

Location Map

Incident Narrative

ON NOVEMBER 29, 2022, AT APPROXIMATELY 11:00 AM, IRONWOOD LOCAL FIELD OPERATIONS WAS NOTIFIED BY A THIRD-PARTY OPERATOR THAT THERE WAS A LEAKING FITTING ON THE PIG RECEIVER FOR THE GRAY OAK LATERAL. IRONWOOD OPERATORS WERE DISPATCHED TO THE LOCATION TO INVESTIGATE THE LEAK REPORT AND FOUND THE PRESSURE INDICATOR ON THE PIG RECEIVER LEAKING. THE FITTING WAS TIGHTENED, AND THE LEAK STOPPED. THE OPERATOR THEN ISOLATED THE PIG RECEIVER FROM THE PIPELINE AND RELIEVED THE PRESSURE ON THE RECEIVER TO ALLOW THEM TO REMOVE THE FITTING AND INVESTIGATE THE CAUSE, IT WAS DETERMINED THAT THE O-RING FAILED DUE TO AMBIENT TEMPERATURE CHANGES. THE O-RING WAS REPLACED, NO REPAIRS WERE MADE TO THE PIPELINE. THE RELEASE VOLUME WAS CALCULATED TO BE 1.6 BARRELS. THERE WERE NO INJURIES, FATALITIES, UNINTENTIONAL FIRES/EXPLOSIONS, EVACUATIONS, OR ROAD CLOSURES AS A RESULT OF THE LEAK. TO PREVENT RE-OCCURRENCE OF THE SAME TYPE OF ACCIDENT ENSURED THE CORRECT TYPE OF O-RINGS ARE BEING USED AND INSPECTED OTHER SITES WITH THE SAME TYPE OF CONFIGURATION.

About This Pipeline Incident

Pipeline incident data is reported to the Pipeline and Hazardous Materials Safety Administration (PHMSA). All significant incidents involving fatalities, injuries, or property damage over $50,000 must be reported.

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