But modus ponens bridging plug fisher

The utility model relates to a but modus ponens bridging plug fisher belongs to kit technical field under oil industry oil, the well development well. The utility model discloses a top connection, salvage barrel, bailer grab, top connection and salvage barrel threaded connection, it is toper reducing section to salvage barrel lower part cavity, and it has the well -flushing hydrophthalmia to open on the pipe wall of toper reducing section upper portion, the bailer grab is the split type slips, and the upper end is equipped with outer circular bead, is clearance fit with pipe wall in the salvage barrel, and the lower extreme is toper reducing section, places in the cavity of salvaging the barrel. The utility model discloses a top connection is connected in oil pipe bottom, and flushing fluid passes through through -hole circulation well -flushing in the bridging plug fisher, transfers the tubular column and washes the salvage, clean the pit shaft after, the tubular column pressurization, the bailer grab locks