清除海底废油井的多层套管切割弹研制试验成功中国兵器工业第２０４研究所爆破公司研制的“浅海油井用多层套管切割弹”最近获部级科技二等奖，并获国家实用新型专利。“浅海油井用多层套管切割弹”主要用于浅海油田废弃井口二层或三层套管的切割。在我国浅海油田作业中遗... Multi-layer casing cutters for removing waste oil wells from submarine wells were successfully developed The “Multi-layer casing cutters for shallow wells” developed by the blasting company of the 204th Research Institute of China Ordnance Industries recently won the second prize of the ministry-level science and technology and was awarded the national utility model patent. “Multi-layer casing cutting bombs used in shallow sea oil wells” are mainly used for the cutting of the second or third layer casing of abandoned wellheads in shallow offshore oil fields. In our shallow-sea oil operations ...