ANR PIPELINE CO — Gas transmission and gathering — incident on 2017-07-04

Gas transmission and gathering incident in Not Within a Municipality, HARPER County, OK. Reported cause: OTHER OUTSIDE FORCE DAMAGE. Reported consequences: 0 fatalities, 0 injuries, 8070 NATURAL GAS released, $3,500 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: 20170067.

Operator ID: 405.

Reported incident date: 7/4/2017 8:05.

Location detail: MP 42.57

Cause detail: OTHER OUTSIDE FORCE DAMAGE

Cause detail: AT 0805 HOURS CT ON JULY 5, 2017 THE ANR FIELD OFFICE IN MOORELAND, OK OFFICE WAS NOTIFIED BY DCP THAT REGULATING EQUIPMENT IN THEIR LOVEDALE STATION WAS DAMAGED AND THAT GAS WAS VENTING FROM A .5 INCH SENSE LINE. ANR TECHNICIANS ARRIVED AT 0855, VERIFIED THE EQUIPMENT WAS ANR'S AND GAS WAS VENTING, THUS ESTABLISHING TIME OF CONFIRMED DISCOVERY. THE FAILED .5 INCH LINE WAS THEN ISOLATED AND THE EQUIPMENT WAS SHUT IN. IT APPEARS THE REGULATOR AND LINE WAS DAMAGED WHEN THE CUSTOMER'S FIBERGLASS TANK BLEW OVER DURING A STORM ON JULY 3, 2017 AND TRAVELED APPROX. 50 YARDS STRIKING AND COMING TO REST AGAINST ANR'S EQUIPMENT. NRC NOTIFICATION WAS MADE AT 0957 ON JULY 5. FACILITIES WERE REPAIRED AND RETURNED TO SERVICE ON JULY 11, 2017. BASED ON THE INFORMATION AVAILABLE, IT IS ESTIMATED THAT THE AMOUNT OF GAS VENTED REACHED THE 3MMCF THRESHOLD AT 0805 ON JULY 4, 2017

PHMSA trend classification: not significant, not serious.

PHMSA standardized cause: OTHER OUTSIDE FORCE DAMAGE — OTHER OUTSIDE FORCE DAMAGE.

PHMSA indexed costs: $27,600 reported total cost, $24,548.202 in 1984 dollars, $32,314.468 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.