The utility model discloses an intraductal on -rotating of big latus rectum cover of highly deviated well or deep water test is sat and is sealed packer, setting upright or straight on, including the upper and lower joint of setting upright or straight and being equipped with mandrel mechanism between joint to the axial of setting upright or straight the lower clutch, mandrel mechanism includes water conservancy anchor body, volume pipe that top -down connects, goes up mandrel, transposition mandrel and connect the mandrel, be equipped with the overcoat subassembly in the mandrel mechanism, the overcoat subassembly includes that the suit is connecting the rupture disk urceolus of mandrel on setting upright or straight the joint under with at the transposition heart epaxial clutch blocks sleeve and locking arm and suit simultaneously setting one's heart epaxial sealed packing element subassembly and suit, clutch blocks on the clutch blocks sleeve passes through the slip spider and the briquetting is fixed on the clutch blocks sleeve, be equipped with the transposition lug in the clutch blocks sleeve, be equipped with the transposition groove on the transposition mandrel, will replace the lug locking at the transposition inslot of mandrel that replaces through the locking arm. This packer both be applicable to the sea, also be applicable to deep water, more be applicable to land and jack -up platform integration test tubular column use.