Packer nose assembly

Details Packer nose assembly Packer nose assembly

1978-10-02

1981-02-03

Pate, III, William F.

Wells

Pistons, fluid driven into well

92252, 92253, 166202, E21B 3312

Patent

active

042482992

ABSTRACT:
A packer nose assembly for pumping downhole equipment of the free type into and out of boreholes. The assembly includes a mandrel having a lower end portion attachable to the downhole equipment and an upper end portion terminating in the form of a fishing neck. One or more packers are slidably received in a telescoping manner upon the mandrel and anchored into position by spaced sleeves which are likewise slidably received upon the mandrel. The packer is cylindrical in form and includes a plurality of spaced fins formed about the exterior thereof with each fin being circumferentially disposed about and radiating from the body portion. The fins taper in thickness in an outward direction from the body portion.

REFERENCES:
patent: 2893493 (1959-07-01), Copas
patent: 3179022 (1965-04-01), Bloudoff
patent: 3343461 (1967-09-01), Tinsley
patent: 3796260 (1974-03-01), Bradley

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