事故信息 - 化工安全人

免 F 20140811 陕西长庆油田井场闪爆致设施损毁（编号：SG00003313）

2025-10-10 1009

一、时间地点

时间/日期: 2014-08-11

地点: 中国、陕西

二、工厂介绍

公司介绍: 长庆油田第六采油厂

所在行业: 石油化工

三、事故介绍

事故类型: 爆炸

事故概述: 2014年8月11日21时40分，中石油长城钻探工程公司西部钻井有限公司代管的陕西省靖边县天通实业有限责任公司长城40609钻井队，在长庆油田第六采油厂安平179井作业过程中发生井场闪爆燃烧事故，造成井架烧毁、钻具报废及部分设施损毁，直接经济损失约300万元。

事故后果

死亡人数：人、受伤人数：人、疏散人数：人

经济损失： 3000000万

四、事故原因

直接原因类别

直接原因: 钻井队在下完油层套管、循环钻井液过程中，钻井液循环不充分，循环压井时间滞后，地层油气侵入井筒形成溢流并膨胀上窜，形成的油气混合物从高压软管出口处瞬间喷出，夹杂的岩屑与管口金属等摩擦、撞击产生火花发生闪

根本原因类别

根本原因

五、事故链

偏离类别

后果类别

六、特征

涉及化学品: 油气混合物

涉及单元操作

涉及工业设备

涉及工业操作

涉及化学工艺/装置

运营阶段

事故信息检索

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