# ENABLE OKLAHOMA INTRASTATE TRANSMISSION, LLC — Gas transmission and gathering — incident on 2015-05-31

- **operation:** document
- **citation:** PHMSA Report 20150086
- **title:** ENABLE OKLAHOMA INTRASTATE TRANSMISSION, LLC — Gas transmission and gathering — incident on 2015-05-31
- **source type:** incident
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** 2015-06-25
- **effective on:** 2015-05-31
- **summary:** Gas transmission and gathering incident in Not Within a Municipality, HUGHES County, OK. Reported cause: NATURAL FORCE DAMAGE. Reported consequences: 0 fatalities, 0 injuries, 3441.2 NATURAL GAS released, $2,753,908 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. PHMSA trend classification: significant incident, not serious.
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**body:**

Gas transmission and gathering incident in Not Within a Municipality, HUGHES County, OK. Reported cause: NATURAL FORCE DAMAGE. Reported consequences: 0 fatalities, 0 injuries, 3441.2 NATURAL GAS released, $2,753,908 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: 20150086.

Operator ID: 26330.

Reported incident date: 5/31/2015 2:30.

Location detail: L-111A

Cause detail: HEAVY RAINS/FLOODS

Cause detail: PROLONGED PERIODS OF RAIN CAUSED EXTREME FLOODING IN THE SOUTH CANADIAN RIVER WHERE THIS PIPELINE CROSSES THE RIVER. THE PIPELINE WAS UNDERGROUND. APPROXIMATELY 100 YARDS HORIZONTAL DISTANCE OF SOIL FROM THE ORIGINAL RIVER BED HAS BEEN WASHED AWAY EXPOSING THE PIPELINE. DUE TO CONSIDERABLE RAINFALL SINCE THE INCIDENT, THE PIPELINE IS STILL UNDER WATER SO NO ASSESSMENT OF DAMAGE HAS BEEN MADE. PLANS ARE TO ASSESS THE PIPELINE ONCE IT IS POSSIBLE AND PLAN THE REPAIRS ACCORDINGLY. A SUPPLEMENTAL REPORT WILL BE COMPLETED ONCE ALL INFORMATION IS KNOWN. SUPPLEMENTAL INFORMATION: WITH WATER LEVELS BACK TO THE NORMAL IN THE RIVER, THE PIPELINE STILL CANNOT BE SEEN VISUALLY. THE COMPANY HAS MADE A DECISION TO ABANDON THE PIPE LOCATED IN THE RIVER. THE PERMANENT SOLUTION WILL BE TO BORE THE RIVER AND LAY NEW PIPE. EXPECTED COMPLETION OF THIS PROJECT IS SCHEDULED FOR OCTOBER 2015. UPON COMPLETION, A FINAL REPORT WILL BE SENT IN WITH DAMAGE AND REPAIR COSTS. SUPPLEMENTAL INFORMATION: BORE CONSTRUCTION IS COMPLETE. THE NEW LINE WAS TIED ON 1/5/17 AND BACKFILLED ON 1/9/17. PIPELINE WAS PUT BACK IN SERVICE ON 1/10/17. THE SECTION OF PIPE WITH THE DEFECT WAS ABANDONED IN PLACE. WATER LEVELS IN THE SOUTH CANADIAN RIVER NEVER RECEDED ENOUGH FOR AN EXTERNAL EXAMINATION OF THE LEAK SITE.

PHMSA trend classification: significant incident, not serious.

PHMSA standardized cause: NATURAL FORCE DAMAGE — HEAVY RAINS/FLOODS.

PHMSA indexed costs: $2,791,648 reported total cost, $1,404,321.302 in 1984 dollars, $3,448,068.521 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.
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