摘要
可退式倒扣捞筒是集可退捞筒、卡瓦捞筒于一身的多功能修井打捞工具,既可抓捞井下落鱼,又能对遇卡落鱼施加反扭矩,使之从接箍处松扣。必要时还可释放落鱼,收回工具。介绍了这种工具的结构特点和抓捞、倒扣、释放落鱼等工作原理以及操作程序,简述了在大庆、辽河等油田的试用效果。
A multiple-functionary well-service fishing tool--reversible fishing barrel is introduced including its structuralcharacters, working principles and operational procedures. Thisreversible fishing barrel can grab the fishing, bring a reversetorque to bear on it in order to loosen the screw joint, and ifnecessary, the fishing can be released and the fishing barrelcan be taken back.
出处
《石油机械》
北大核心
1989年第8期36-39,7-8,共4页
China Petroleum Machinery
