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天然气钻探过程中硫化氢的准确监测是确保钻井安全的必要条件。在介绍硫化氢气体的性质、危害的基础上具体阐述了现场常用硫化氢监测方法。对现行井场硫化氢监测进行了探讨,提出了硫化氢监测应从监测地面气体向监测地层流延伸,硫化氢报警内容应多样化的改进措施。
The accurate monitoring of hydrogen sulfide during natural gas drilling is a necessary condition for ensuring drilling safety. Based on the introduction of the properties and hazards of hydrogen sulfide gas, the commonly used methods for monitoring hydrogen sulfide in the field are described in detail. The existing monitoring of H2S in well site was discussed. It was proposed that H2S monitoring should extend from monitoring ground gas to monitoring formation flow, and the content of hydrogen sulfide alarm should be diversified.