"ONEOK NGL PIPELINE, LLC"

hazardous_liquid Incident — — July 19, 2017

Incident Information

Incident DateJuly 19, 2017
Operator"ONEOK NGL PIPELINE, LLC"
CommodityHVL OR OTHER FLAMMABLE OR TOXIC FLUID WHICH IS A GAS AT AMBI
Pipeline Typehazardous_liquid

Location

State
Coordinates32.01987, -102.02241

Cause

CauseEQUIPMENT FAILURE
SubcauseNON-THREADED CONNECTION FAILURE

Casualties

Fatalities0
Injuries0

Costs

Property Damage$25
Emergency Response$150
Other Costs$0

Location Map

Incident Narrative

"AT APPROXIMATELY 03:26 AM ON JULY 19TH 2017, ONEOK PIPELINE CONTROL CENTER RECEIVED A HAZARDOUS ATMOSPHERIC LOCK-OUT AND STATION SHUTDOWN AT ONEOK'S MIDLAND PUMP STATION LOCATED NEAR MIDLAND, TEXAS. LOCAL FIELD OPERATIONS EMPLOYEES WERE NOTIFIED AND DISPATCHED TO THE LOCATION. FIELD EMPLOYEES ARRIVED AT THE STATION AT APPROXIMATELY 04:27 AM AND IDENTIFIED A ""HISSING"" SOUND COMING FROM THE DOOR ON THE SCRAPER TRAP. EMPLOYEES ISOLATED THE TRAP AND RELIEVED THE RESIDUAL PRODUCT TO THE FLARE SYSTEM. UPON OPENING THE SCRAPER TRAP DOOR, IT WAS DETERMINED THE O-RING IN THE CLOSURE HAD FAILED CAUSING THE RELEASE. A NEW O-RING WAS INSTALLED AND THE SCRAPER TRAP WAS RETURNED TO SERVICE AT APPROXIMATELY 05:57 AM."

About This Pipeline Incident

Pipeline incident data is reported to the Pipeline and Hazardous Materials Safety Administration (PHMSA). All significant incidents involving fatalities, injuries, or property damage over $50,000 must be reported.

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