STINGRAY PIPELINE COMPANY, LLC

Incident Narrative

ON 4/19/24 AT APPROXIMATELY 17:54 WHILE ADDING PRESSURE TO THE PIPELINE IN ORDER TO LOCATE A LEAK POINT FROM 02/02/24, A SHEEN WAS SPOTTED IN WC 564 NEAR THE ORIGINAL COORDINATES OF THE LEAK BY THE OVERFLIGHT. SONAR WAS USED TO SCAN THE AREA BUT WAS UNABLE TO SEE THE SOURCE USING THAT TECHNOLOGY. THE SHEEN WAS LOCATED APPROXIMATELY ONE MILE FROM THE LOCATION WHERE THE DSV WAS WORKING TO LOCATE A LEAK. OVERFLIGHTS ARE BEING CONDUCTED DAILY AND CURRENTLY THERE IS NO SHEEN OR BUBBLES BEING RELEASED. THE FOLLOWING INFORMATION WAS GIVEN TO BRYAN LETHCOE, ANTHONY WRIGHT AND GERY BAUMAN FOR THE FOUR SHEENS FOUND DURING THE REPAIR OF LEAK 7: -LEAK 7 DISCOVERED IN FEBRUARY -LINE PRESSURE WAS LOWERED FROM 125-150PSIG TO BELOW BOTTOM PRESSURE TO STOP LEAK -DSV DEPLOYMENT WAS DELAYED DUE TO OTHER COMMITMENTS AND WEATHER CONDITIONS -ONCE DSV WAS AVAILABLE LINE PRESSURE WAS INCREASED IN ORDER TO LOCATE LEAK 7 -2X DAILY OVERFLIGHTS NOTED SEPARATE SHEENS AND AREA OF SURFACE BUBBLES AFTER PRESSURE WAS INCREASED. --3 SHEENS --1 AREA OF BUBBLES -DSV CREW POSITIVELY IDENTIFIED LEAK 7 -PRESSURE WAS PULLED DOWN BELOW 70PSIG TO STOP OTHER 4 LEAKS --THESE 4 ADDITIONAL LEAKS HAVE NOT BEEN POSITIVELY LOCATED --SHEENS ARE SHRINKING --OVERFLIGHTS CONTINUE -CLAMP INSTALLED ON LEAK 7 -LEAKS ARE BEING EVALUATED AND FUTURE USE OF LINE TO BE DETERMINED -PRESSURE IS CURRENTLY BE MAINTAINED BELOW 50 PSI