Tubular well tool receiving conduit

Details Tubular well tool receiving conduit Tubular well tool receiving conduit

1985-06-24

1986-07-15

Leppink, James A.

Wells

Central chamber sealed with respect to prepositioned...

166118, 166134, 166242, E21B 2306

Patent

active

046000550

ABSTRACT:
A tubular well tool receiving conduit for receiving a well tool having anchoring teeth in which a plurality of circular extending grooves on the inside on the conduit are provided for coacting with the anchoring teeth for supporting the well tool. Preferably the grooves match the tooth profile of the anchoring teeth and the grooves are concentric. For receiving a well packer, a second plurality of circularly extending grooves on the inside of the conduit coact with the expandible seal for providing multiple seal points with the packer seal. A no-go shoulder on the conduit positions the well tool in the conduit. In another embodiment, the circular grooves extend longitudinally a greater distance to engage the well tool anchoring means and seal and extend continuously along the inside diameter.

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patent: 4460042 (1984-07-01), Galle, Jr.
patent: 4469172 (1984-09-01), Clark

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