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为了适应飞跃前进中的石油普查工作的需要，防止在钻探过程中发生油气喷出的事故。地质部于58年2月委托某厂将原石油部HHM—8“型防喷器21套改装成适合于轻便钻机要求的规格。其主要的改装部份为：
In order to meet the needs of the oil census in the process of leaping forward, the accident of oil and gas spillage during the drilling process is prevented. In February 58, the Ministry of Geology entrusted a factory to convert 21 sets of HHM-8 ”BOPs of the former Ministry of Petroleum into specifications suitable for portable drilling rigs. The main modifications were: