Well starter head

Details Well starter head Well starter head

1993-02-22

1994-04-05

Dang, Hoang C.

Wells

Processes

Assembling well part

166 85, 166 96, 166 751, 285 23, 285323, 285348, E21B 3303

Patent

active

052996441

ABSTRACT:
A connector for connecting a tubular starter head to a casing of a well allows connection without special tools. The tubular head has an annular recess extending upward from its lower end. The connector includes a seal actuating ring and a slips actuating ring, one of the rings having a recess. A seal ring locates in one of the recesses and slips locate in the other recess. Upward movement of one of the actuating rings sets either the slips or the seal ring first while the other remains unset. Then upward movement of the other actuating ring sets the other.

REFERENCES:
patent: 3552781 (1971-01-01), Helland
patent: 4239266 (1980-12-01), Mynhier
patent: 4290632 (1981-09-01), Manchester, Jr. et al.
patent: 4335908 (1982-06-01), Burge
patent: 4413845 (1983-11-01), Lawrence
patent: 5056830 (1991-10-01), Reaux

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