DCP MIDSTREAM

hazardous_liquid Incident —

Incident Information

Report Date
OperatorDCP MIDSTREAM
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates29.10321, -95.86846

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

AT APPROXIMATELY 2:30 PM ON 1/5/2019, A DCP TECHNICIAN WAS NOTIFIED BY DCP'S HOUSTON CONTROL CENTER (HCC) OF A GAS DETECTOR ALARM ORIGINATING FROM THE ASHWOOD PUMP STATION LOCATED IN ASHWOOD, TX. UPON ARRIVING ONSITE AT 3:15PM, THE FIELD TECHNICIAN FOUND A SMALL LEAK ARISING FROM A NIPPLE ON THE LOW POINT DRAIN OF THE DISCHARGE SIDE OF PUMP #2. THE LEAKING COMPONENT WAS THEN ISOLATED AND THE RESIDUAL NGL IN THE ENSUING PIPELINE WAS FLARED. THE LEAK WAS REPAIRED BY REMOVING THE NIPPLE AND PLUGGING THE ORIFICE. CORRECTIVE ACTION: THE FAILED COMPONENT WAS SENT TO STRESS ENGINEERING FOR EXAMINATION. THE ANALYSIS DETERMINED THAT THE FRACTURE WHICH DEVELOPED IN THE NIPPLE WAS AS A RESULT OF REVERSE BENDING FATIGUE WHICH IS TYPICALLY ASSOCIATED WITH VIBRATION.

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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