Unitized wellhead system

Details Unitized wellhead system Unitized wellhead system

1992-01-06

1993-08-17

Neuder, William P.

Wells

Above ground apparatus

Inner member anchor or seal with lateral port

166 975, 2851332, 285134, E21B 33047

Patent

active

052360377

ABSTRACT:
There is disclosed a unitized wellhead system wherein each of concentric well strings are suspended within a well bore by means of individual hanger mandrels installed within the bore of a single wellhead housing.

REFERENCES:
patent: 4214778 (1980-07-01), Diehl
patent: 4770249 (1988-09-01), Courtney
patent: 5092401 (1992-03-01), Heynen
Composite Catalog of Oilfield and Pipeline Equipment, 1986-87 Edition, pp. 721 and 1395.

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