WILLIAMS FIELD SERVICES — Gas transmission and gathering — incident on 2004-04-13

Gas transmission and gathering incident. Reported cause: 9. Reported consequences: 0 fatalities, 0 injuries, $100,000 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: 20040044.

Operator ID: 30826.

Reported incident date: 4/13/2004.

Cause detail: THIRD PARTY EXCAVATION DAMAGE

Cause detail: A BRUCE FFTS MK4 ANCHOR WAS USED AS A PIGGYBACK ANCHOR FOR INSTALLATION OF THE GULFTERRA 30-INCH OIL PIPELINE. THE ANCHOR WAS INSTALLED BY ALLSEA "M/V SOLITAIRE". WFS DID NOT RECEIVE PRIOR NOTIFICATIONS OF THE PLANNED ANCHOR ARRANGEMENTS. THE "M/V SOLITAIRE" ATTEMPTED TO RETRIEVE THE ANCHOR ON OR ABOUT APRIL 10, 2004 RESISTANCE WAS OBSERVED. AN ROV INSPECTION CONFIRMED THAT THE ANCHOR WAS ATTACHED TO THE 24-INCH PIPELINE, WFS WAS NOTIFIED OF THE EVENT ON APRIL 13, 2004. INSPECTIONS HAVE BEEN MADE AN NOTIFICATIONS OF THE INSPECTIONS HAVE BEEN SENT TO THE OPS, SOUTHWEST REGION AND TO THE MMS. THE REPAIR IS ONGOING.

PHMSA trend classification: significant incident, not serious.

PHMSA standardized cause: EXCAVATION DAMAGE — THIRD PARTY EXCAVATION DAMAGE.

PHMSA indexed costs: $100,000 reported total cost, $62,213.56 in 1984 dollars, $153,212.851 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.