2026年2月24日 美国东部时间凌晨2:05 / 路透社
休斯顿，2月23日（路透社） – 美国化学安全与危险调查委员会（CSB）周一发布的报告称，墨西哥国家石油公司（Pemex）德克萨斯州迪尔帕克炼油厂缺乏一套用于正确识别闲置设备的标准系统，导致有毒气体泄漏，造成两名工人死亡。
报告指出，2024年10月10日，工人正在为即将开展的工作准备一个闲置且已清空的装置时，打开了附近一个运行中装置管道上的法兰。
一名打开法兰的工人吸入致命的硫化氢后死亡。随着气体向下风向扩散，另一名无法逃脱的工人也因硫化氢中毒死亡，报告称。
截至发稿时，墨西哥国家石油公司一名发言人尚未就该报告置评。
委员会在报告中写道：”CSB得出结论，墨西哥国家石油公司迪尔帕克炼油厂有书面程序规范管道切割的管道标记，但对于法兰开启和盲板移除活动没有标准化流程。如果墨西哥国家石油公司迪尔帕克炼油厂要求所有管线开启活动都有清晰的标准化标记，这起事故本可避免。”
委员会表示，泄漏期间迪尔帕克炼油厂的硫化氢浓度至少达到百万分之500。另有13名工人被送往医疗机构接受检查。泄漏期间，休斯顿郊区帕萨迪纳和迪尔帕克发布了就地避难指令。
报告称，自此次泄漏事件发生后，墨西哥国家石油公司炼油厂已采用了一套设备识别系统，用于确定可开启作业的设备。
报道：Erwin Seba；编辑：Edwina Gibbs
我们的标准：汤森路透信托原则。
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US Chemical Safety Board faults Pemex in 2024 fatal accident
February 24, 2026 2:05 AM UTC / Reuters
HOUSTON, Feb 23 (Reuters) – The lack of a standard system for correctly identifying idled equipment at Pemex’s Deer Park, Texas, refinery led to a poison gas release that killed two workers, the U.S. Chemical Safety and Hazard Investigation Board (CSB) said in a report released on Monday.
Workers were preparing an idled, de-inventoried unit for upcoming work on October 10, 2024 when they opened a flange on a nearby pipe of an operating unit, the report said.
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A total of 27,000 pounds of deadly hydrogen sulfide was released, killing one of the workers who opened the flange. As the gas drifted downwind, it overcame a worker who was unable to escape. He also died, the report said.
A Pemex spokesperson was not immediately available to discuss the report.
“The CSB concludes that PEMEX Deer Park had written procedures that standardize pipe marking for pipe cutting but did not have a standardized process for flange opening and blind removal activities,” the board wrote. “Had PEMEX Deer Park required clear standardized markings for all line opening activities, this incident may have been prevented.”
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Hydrogen sulfide concentrations during the release reached at least 500 parts per million at the Deer Park refinery, the board said. Thirteen other workers were taken to medical facilities for evaluation. The Houston suburbs of Pasadena and Deer Park issued shelter-in-place orders during the release.
Since the release, the Pemex refinery has adopted a system for identifying equipment to be opened for work, the report said.
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Reporting by Erwin Seba; Editing by Edwina Gibbs
Our Standards: The Thomson Reuters Trust Principles.
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