Oil well sucker rod shear tool

Details Oil well sucker rod shear tool Oil well sucker rod shear tool

1982-09-20

1983-10-25

Shedd, Wayne L.

Joints and connections

With adjunctive shield

403 2, 403286, F16B 1100, F16D 100, F16D 364, F16L 1112

Patent

active

044115466

ABSTRACT:
An oil well sucker rod shear tool is described comprising a generally cylindrical elongated member having externally threaded portions at the opposite ends thereof. The elongated member has a reduced diameter portion formed therein between the ends thereof which serves as a shear portion designed to shear upon a predetermined amount of stress being subjected thereto. A cylindrical sleeve is sealably mounted on the elongated member around the shear portion not only to protect the shear portion from the corrosive effects of the fluid being pumped but to also prevent deflection of the shear portion. A cylindrical nut is threadably mounted on the elongated member to maintain the sleeve thereon.

REFERENCES:
patent: 2772550 (1956-12-01), Harrington
patent: 3922104 (1974-09-01), McCullough
patent: 3961642 (1976-06-01), Thomas et al.
patent: 4016796 (1977-04-01), Brannan
patent: 4058328 (1977-11-01), Nickerson et al.
patent: 4211439 (1980-07-01), Moldestad
patent: 4350372 (1982-09-01), Logsdon

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