Subsurface tubing hanger and stinger assembly

Details Subsurface tubing hanger and stinger assembly Subsurface tubing hanger and stinger assembly

1981-05-18

1982-12-14

Leppink, James A.

Wells

Expansible anchor or casing

Fluid pressure actuated

166217, 166181, 166242, E21B 33128, E21B 33129

Patent

active

043633587

ABSTRACT:
A hanger and stinger assembly includes an expandable joint therebetween for the stinger to be telescoped with the hanger between extended and collapsed positions. An actuating spool for use in conjunction with a wireline tool mechanism is provided for hydraulically actuating the slips on the hanger and a releasable catch is connected between the stinger and a tubular receptacle mounted on the hanger to normally limit upward movement of the stinger to its extended position. A latch at the upper end of the stinger is utilized to hold the catch in a release position enabling the stinger to be withdrawn from the receptacle by a straight pull and a locking mechanism normally positions the latch to keep from holding the catch in its release position and the locking mechanism is hydraulically actuated.

REFERENCES:
patent: 3050128 (1962-08-01), Brown
patent: 3241616 (1966-03-01), Cox
patent: 3282342 (1966-11-01), Mott
patent: 3433506 (1969-03-01), Crowe
patent: 4051894 (1977-10-01), Goad
patent: 4146093 (1979-03-01), Horvath et al.
patent: 4258792 (1981-03-01), Restarick
patent: 4281858 (1981-08-01), Bowyer
patent: 4289202 (1981-09-01), Henderson

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