山东省国防科工办于1985年1月25日～30日在山东机器厂主持召开了SLC84—29型射孔弹及84—29型四方位过油管射孔器的设计定型及生产定型会议。SLC84—29型射孔弹及四方位过油管射孔器是胜利油田测井公司研究所一项新的科研成果。根据国内外过油管射孔器材普遍存在射孔浅,不能四方位射孔,射孔弹爆炸后 Shandong Provincial Defense Science and Industry Office in January 25, 1985 to 30 in Shandong Machinery Factory presided over the SLC84-29-type perforation and 84-29-type four-way pipe perforation design and production of stereotypes meeting. SLC84-29-type perforation and four-way perforation of the pipe perforator Shengli Oilfield Logging Company Institute of a new scientific research. According to perforation pipe equipment at home and abroad pervasive perforated shallow, can not be perforated in four directions, after the explosion of a projectile