CHAPARRAL ENERGY, LLC

hazardous_liquid Incident —

Incident Information

Report Date
OperatorCHAPARRAL ENERGY, LLC
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates34.47250, -97.66435

Cause

CauseMATERIAL FAILURE OF PIPE OR WELD
Subcause—

Casualties

Fatalities0
Injuries0

Costs

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

Location Map

Incident Narrative

ON WEDNESDAY, DECEMBER 2ND CHAPARRAL WAS NOTIFIED BY A LAND OWNER OF A BARE SPOT IN A WHEAT PASTURE NEAR THE PIPELINE ROW. DUE TO THE LOCATION OF VARIOUS NATURAL GAS PIPELINES IN THE AREA AND THE PRESENTATION OF THE POSSIBLE LEAK, THE BARE SPOT WAS ESTIMATED TO BE A NATURAL GAS LEAK. ON WEDNESDAY, DECEMBER 16TH CHAPARRAL PERSONNEL INVESTIGATED THE POSSIBLE LEAK LOCATION. AT APPROXIMATELY 1120 HRS ON WEDNESDAY DECEMBER 16TH, CHAPARRAL CONFIRMED THE LOCATION OF THE LEAK ON THE CO2 PIPELINE. MLBV 1 WAS CLOSED AT APPROXIMATELY 1411 HRS AND MLBV 2 WAS CLOSED AT APPROXIMATELY 1425 HRS. THE ISOLATED SEGMENT COMMENCED BLOW DOWN AT BOTH VALVE LOCATIONS (1&2) AT APPROXIMATELY 1425 HRS. ON THURSDAY, DECEMBER 17TH, THE PIPELINE WAS EXCAVATED AND THE AFFECTED SECTION OF PIPE WAS REMOVED AND REPLACED WITH NEW PIPE. THE ISOLATED SEGMENT WAS THEN PURGED OF AIR AND THE PIPELINE RESUMED OPERATION ON THURSDAY, DECEMBER 17TH AT APPROXIMATELY 1530 HRS. THE LEAK CAUSED NO PERSONAL, PROPERTY, OR ENVIRONMENTAL DAMAGE AND WAS NOT LOCATED IN AND DID NOT AFFECT A HIGH CONSEQUENCE AREA.

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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