Bidirectional anchoring downhole instrument hanger
A technology of downhole instruments and hangers, applied in wellbore/well components, measurement, earthwork drilling and other directions, can solve problems such as unreliable locking method, damage to measuring instruments, damage to the inner wall of the tubing, etc. Reasonable design and easy operation
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[0052] Referring to each figure, a two-way anchoring downhole instrument hanger, the hanger includes a hanger body, a throwing device for launching the hanger body and a fishing device for fishing the hanger body; the hanger body includes a fishing Rod 1, upper connecting rod seat 2, spring bushing 3, upper taper sleeve 4, lower taper sleeve 5, release sleeve 6, lower connecting rod 7, roller 8, connecting rod 9, lower connecting rod seat 10, suspension joint 11, Connecting rod spring 12, connecting rod screw 13, tapered sleeve spring 14, shear nail 15, anti-rotation sleeve 16 and limit screw 17; the release sleeve 6 is set on the end of the lower connecting rod 7, and is locked and fixed by the shear nail 15 , the lower connecting rod 7 at one end of the release sleeve 6 is set with a taper sleeve spring 14, and the other end of the release sleeve 6 is threadedly connected with the fishing rod 1, and is locked and fixed by a set screw; the upper taper sleeve 4 is sleeved with ...
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