SUNOCO PIPELINE L.P. — Hazardous liquid — incident on 2019-03-30

Hazardous liquid incident in SNYDER, KIOWA County, OK. Reported cause: INCORRECT OPERATION. Reported consequences: 0 fatalities, 0 injuries, 0.01 CRUDE OIL released, $0 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: 20190133.

Operator ID: 18718.

Reported incident date: 3/30/2019 21:00.

Location detail: 105.9

Cause detail: OTHER INCORRECT OPERATION

Cause detail: AFTER THE GRANITE WASH MAIN LINE PURGE, CREW WAS BLOWING DOWN EXCESS NITROGEN PRESSURE FROM THE PIPELINE. ON MARCH 30, 2019 DURING THE BLOWDOWN BEING CONDUCTED AT NIGHT APPROXIMATELY 5 GALLONS OF CRUDE ENTRAINED IN THE NITROGEN SPRAYED ACROSS THE ROAD INTO AN ADJACENT FIELD DUE TO HIGH WINDS. LESS THAN ONE GALLON IMPACTED A SMALL UN-NAMED CREEK. CREWS DISCOVERED THIS WATER IMPACT ON THE MORNING OF APRIL 1ST, 2019. THE SHEEN ON THE WATER WAS CONTAINED AND REMOVED AND THE SOIL CLEAN UP AND REMEDIATION WAS ALSO COMPLETED. AFTER DISCOVERY NRC WAS NOTIFIED AND REPORT NO. 1241614 WAS ISSUED. REQUIRED 48 HOUR FOLLOW UP REPORT WAS FILED AND REPORT NO. 1241660 WAS ISSUED. PROCEDURE WAS NOT FOLLOWED BY BLOWING DOWN EXCESS PRESSURE WITHOUT BLOWDOWN VALVE BEING CONNECTED TO A FRAC TANK OR OTHER SIMILAR CONTAINMENT.

PHMSA trend classification: not significant, not serious.

PHMSA standardized cause: INCORRECT OPERATION — OTHER INCORRECT OPERATION.

PHMSA indexed costs: $30,007 reported total cost, $14,059.858 in 1984 dollars, $34,625.104 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.