{"operation":"document","citation":"P-82-018","title":"NTSB Safety Recommendation P-82-018","source_type":"guidance","agency":"National Transportation Safety Board","status":"guidance","official":true,"published_on":"1982-06-09","effective_on":"1982-06-09","summary":"AS A RESULT OF THIS INVESTIGATION, THE NTSB RECOMMENDS THAT THE JET OIL COMPANY: ESTABLISH A PROCEDURE TO ASSURE THAT THE LOCATION OF ANY PIPELINE POTENTIALLY IN CONFLICT WITH A DRILLING LOCATION BE DETERMINED BEFORE INITIATING ANY ACTIVITIES WHICH MAY AFFECT THE EXISTING GRADE.","machine_formats":{"json":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-82-018.json","markdown":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-82-018.md"},"app_url":"https://regulus.evalyn.ai/document/ntsb-recommendation-p-82-018","source_url":"https://data.ntsb.gov/carol-main-public/sr-details/P-82-018","body":"NTSB safety recommendation P-82-018.\n\nAS A RESULT OF THIS INVESTIGATION, THE NTSB RECOMMENDS THAT THE JET OIL COMPANY: ESTABLISH A PROCEDURE TO ASSURE THAT THE LOCATION OF ANY PIPELINE POTENTIALLY IN CONFLICT WITH A DRILLING LOCATION BE DETERMINED BEFORE INITIATING ANY ACTIVITIES WHICH MAY AFFECT THE EXISTING GRADE.\n\nPriority: CLASS II\n\nOverall Status: Closed - Unacceptable Action\n\nIssued Date: 1982-06-09\n\nAdopted Date: 1982-04-20\n\nOverall Date Closed: 1989-05-19\n\nSynopsis: ON SEPTEMBER 27, 1981, NEAR ACKERLY, TEXAS, THE CHAPPARRAL PIPELINE, A REFINED PETROLEUM PRODUCTS 12-INCH STEEL PIPE LINE OWNED BY THE SANTA FE PIPELINE COMPANY, WAS DAMAGED BY A RATHOLE DRILL BIT; THE WALL OF THE PIPE WAS WEAKENED, AND IT RUPTURED UNDER THE 1,100 PSIG OPERATING PRESSURE. THE ETHANE-PROPANE MIXTURE IN THE PIPELINE BEGAN TO ESCAPE AND WAS IGNITED BY THE DRILLING RIG ENGINE. THE ENSUING EXPLOSION AND FIRE KILLED THREE PERSONS; CRITICALLY BURNED ONE PERSON, WHO DIED 4 DAYS LATER; DESTROYED THE RATHOLE DRILLING RIG, A PICKUP TRUCK, A ROAD GRADER, A COMPACTOR, AND 60 ACRES OF COTTON; AND BURNED 12,749 BARRELS (535,458 GALLONS) OF ETHANE-PROPANE MIXTURE. THIS IS NOT AN ISOLATED INCIDENT; THERE HAVE BEEN OTHER SIMILAR PIPELINE ACCIDENTS INVOLVING DRILLING ACTIVITIES. THE SAFETY BOARD IS CONCERNED ABOUT THE DAMAGE TO PIPELINES CAUSED BY DRILLING ACTIVITIES AND THE USE OF OUTSIDE EXCAVATION EQUIPMENT SINCE THE LOCATION OF A PIPELINE CAN BE ASCERTAINED IN SEVERAL WAYS.\n\nProbable Cause: None\n\nNtsbnumber: DCA81MP023\n\nReport Number: PAR-82-02\n\nAddressee Name: Jet Oil Company\n\nAddressee Status: Closed - Unacceptable Action\n\nAddressee Date Closed: 1989-05-19\n\nAddressee Organization Type: P-Private Industry\n\nCommunication Date: 1989-05-19\n\nCommunication Type: Official Correspondence\n\nAddressee Organization Type: P-Private Industry\n\nCommunication Date: 1988-02-22\n\nCommunication Type: Official Correspondence","truncated":false,"body_characters":1909}