SEMINOLE PIPELINE CO — Hazardous liquid — incident on 2000-03-16

Hazardous liquid incident in WILLIAMSON County, TX. Reported cause: OTHER. Reported consequences: 0 fatalities, 0 injuries, 340 NATURAL GAS LIQUID released, $6,000 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: 20000044.

Operator ID: 18194.

Reported incident date: 20000316.

Location detail: 1 1/2 MILES NORTH OF COUPLAND, TEXAS OFF COUNTY ROAD 454, 200 YARDS EAST OF HWY 95

Cause detail: SEAL FAILURE ON #4 PUMP

Cause detail: AT 22:16 THE PIPELINE CONTROL CENTER IN TULSA, OK, RECEIVED A SEAL FAIL ALARM FROM THE COUPLAND STATION ON THE SEMINOLE PIPELINE COMPANY (SPC) MAINLINE IN WILLIAMSON COUNTY. THE CONTROLLER PROMPTLY NOTIFIED SPC TECHNICAL PERSONNEL THAT WERE ON CALL TO INVESTIGATE. THE COUNTY SHERIFF DEPARTMENT WAS CONTACTED BY AN UNARMED LOCAL SOURCE AND DISPATCHED OFFICERS, AS WELL AS PERSONNEL FROM THE LOCAL FIRE DEPARTMENT TO THE SCENE, WHO INSTITUTED AN INCIDENT COMMAND STRUCTURE. UPON INVESTIGATION BY PIPELINE PERSONNEL, THE CAUSE WAS IDENTIFIED AND A DISCHARGE VALVE CLOSED, ELMINATING THE RELEASE. TELEPHONIC NOTIFICATION TO REGULATORY AGENCIES WAS TIMELY MADE IN ACCORDANCE WITH REGULATIONS. AS A PRECAUTION, THE SHERIFF AND FIRE DEPARTMENT HALTED TRAFFIC ON NEARBY ROADS AND EVACUATED ONE RESIDENCE. REPAIRS WERE PROMPTLY MADE AND THE LINE RETURNED TO SERVICE; THE ROADS WERE REOPENED, AND AFTER THE EVACUATED OCCUPANTS WERE CHECKED AND FOUND TO BE SAFE, THEY WERE PERMITTED TO RETURN HOME. ALL PARTICIPANTS IN THE INCIDENT COMMAND WERE DEBRIEFED IN ACCORDANCE WITH REGULATIONS, AS WELL AS, COMPANY PROCEDURE AND THE INCIDENT COMMAND WAS DISBANDED.

PHMSA trend classification: significant incident, not serious.

PHMSA standardized cause: ALL OTHER CAUSES — MISCELLANEOUS.

PHMSA indexed costs: $6,000 reported total cost, $4,054.657 in 1984 dollars, $9,985.373 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.