EXXON PIPELINE CO — Hazardous liquid — incident on 1992-05-21

Hazardous liquid incident in RUSK County, TX. Reported cause: CORROSION. Reported consequences: 0 fatalities, 0 injuries, 500 CRUDE OIL released, $37,000 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: 19920104.

Operator ID: 4906.

Reported incident date: 19920521.

Location detail: OCCURRED IN RUSK COUNTY, TX. FROM THE INTERSECTION OF HWY 42&64, W ON HWY 64 APPRO. 2.5 MI, S ON OIL FIELD RD APPROX. 3 MILES UNTIL EPC R-O-W, W APPRO. 250YDS

Cause detail: CORROSION, EXTERNAL

Cause detail: EXXON PIPELINE COMPANY (EPC) WAS CONDUCTING A ROUTINE SCRAPER RUN ON THE BULLARD TO ARP 8" TRUNK LINE. APPARENTLY, THE SCRAPER BECAME LODGED IN RECEIVING TRAP BLOCK VALVE WHICH CAUSED THE LINE TO PRESSURE UP. ALSO, THE PIPELINE HAD EXTERNAL CORROSION IN THE AREA OF THE LEAK PROVIDING A WEAK SEGMENT IN THE LINE. THE COMBINATION OF LINE PRESSURE AND EXTERNAL CORROSION CAUSED THE LEAK. THE SYSTEM DID LICK-OUT ON HIGH DISCHARGE. AIR PATROL REPORTED A LEAK; EPC PERSONNEL AND CONTRACTORS RESPONDED TO THE SITE TO REPAIR THE LINE AND TO CONTAIN AND RECOVER THE CRUDE OIL. THERE WERE NO INJURIES AND DEATHS. NRC TELEPHONE CONTACT: 11:55, 5/21/92; INCIDENT No. 118670.

PHMSA trend classification: significant incident, not serious.

PHMSA standardized cause: CORROSION — EXTERNAL.

PHMSA indexed costs: $37,000 reported total cost, $28,973.982 in 1984 dollars, $71,353.999 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.