Tubular member secured within a well support member with a prelo

Details Tubular member secured within a well support member with a prelo Tubular member secured within a well support member with a prelo

1987-09-17

1991-04-30

Kisliuk, Bruce M.

Wells

Above ground apparatus

Well caps or casing heads

166206, 166379, 166380, 285140, 2853824, 2853825, E21B 1916, E21B 3304

Patent

active

050109529

ABSTRACT:
The improved joint of the present invention includes a tubular member which is cold formed into tight gripping and sealing engagement within an internal grooved recess within a support member, such a wellhead housing. The upper end of the recess is tapered upwardly and inwardly and the upper end of the tubular member of a wedge ring mounting between the upper end of the tubular member and the tapered surface of the recess is positioned against the tapered surface of the recess so that when the cold forging step is performed the upper end of the tubular member is compressed downwardly to introduce the compression preload into the joint.

REFERENCES:
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patent: 2715536 (1955-08-01), Shuptrine et al.
patent: 2793059 (1957-05-01), Woodling
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patent: 3167333 (1965-01-01), Hall et al.
patent: 3208136 (1965-09-01), Joslin
patent: 3311168 (1967-03-01), Pierce, Jr.
patent: 3432916 (1969-03-01), Fisher et al.
patent: 3534988 (1970-10-01), Lindsey
patent: 3982778 (1976-09-01), Spencer et al.
patent: 4330144 (1982-05-01), Ridenour
patent: 4388752 (1983-06-01), Vinciguera et al.
patent: 4662663 (1987-05-01), Schmitz

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