EOG RESOURCES, INC — Hazardous liquid gravity and reporting-regulated-only — incident on 2024-05-24

Hazardous liquid gravity and reporting-regulated-only incident in JOURDANTON, MCMULLEN County, TX. Reported cause: EQUIPMENT FAILURE. Reported consequences: 0 fatalities, 0 injuries, 0.6 CRUDE OIL released, $4,500 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: 20240050.

Operator ID: 4461.

Reported incident date: 5/24/2024 14:16.

Cause detail: FAILURE OF EQUIPMENT BODY (EXCEPT PUMP), TANK PLATE, OR OTHER MATERIAL

Cause detail: ON 5/24/2024, AN 8IN ABOVE GROUND BALL VALVE FAILED ON THE PIPELINE SEGMENT NAMED MARY GARY/GORDON C TO MOONLIGHT PL 8IN OG (T-4 08305). FAILURE OCCURRED IN BODY SEAL OF VALVE RESULTING IN 25 GALLONS OF CRUDE OIL RELEASED. ANOTHER OPERATOR'S TECHNICIAN NOTICED RELEASED WHEN PASSING BY AND NOTIFIED EOG AT 2:16PM AND CONTROLLER SHUT-IN PIPELINE SYSTEM AT 2:25PM. EOG PIPELINE TECH ARRIVED ON-SITE AT 3:15PM TO CONFIRM AND ISOLATE. EOG'S CONTRACTOR ARRIVED SHORTLY AFTER TO ASSIST IN REPLACING VALVE. PRODUCT STAYED WITHIN PIPELINE RIGHT-OF-WAY AND WAS PROMPTLY BIO-REMEDIATED. FAILED VALVE WAS INVESTIGATED BY EOG, VALVE MANUFACTURER, AND 3RD PARTY SUBJECT MATTER EXPERT (SME). FAILURE WAS CAUSED BY A DETERIORATED O-RING IN BODY SEAL. ALL OTHER VALVE COMPONENTS WERE VERIFIED TO BE DESIGNED AND BUILT TO SPECIFICATIONS. THIS WAS NOT RELATED TO AN OVERPRESSURE EVENT ON THIS SYSTEM. O-RING HAS BEEN SENT OFF TO LABORATORY FOR FULL INVESTIGATION AS TO CAUSE OF FAILURE. LABORATORY RESULTS ARE PENDING AT THE TIME OF THIS REPORT SUBMISSION.