Wells – Submerged well – Wellhead
Patent
1997-11-12
2000-05-16
Neuder, William
Wells
Submerged well
Wellhead
166 881, 166 884, E21B 33043
Patent
active
060623144
ABSTRACT:
A well production assembly includes a production tree which has a lateral production passage extending laterally from a vertical bore of the tree. A tubing hanger, also having a lateral production passage, lands in the tree, with the lateral passages registering with each other. The junction of the lateral passages has flat, tapered sealed areas which mate with one another. An annulus passage extends vertically through the tubing hanger offset from and parallel to the tubing hanger vertical production passage. The annulus passage also has a lateral passage which registers with the lateral passage formed in the tree. The annulus lateral passages have a flat seal area at their junction. The tubing hanger has a downward facing hydraulic connector which registers with an upward facing hydraulic connector located on a shoulder formed in the bore. Once mated, the connectors provide hydraulic or other auxiliary fluid communication to downhole equipment.
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patent: 5465798 (1995-11-01), McConaughy et al.
patent: 5544707 (1996-08-01), Hopper et al.
patent: 5555935 (1996-09-01), Brammer et al.
patent: 5865250 (1999-02-01), Gariepy
patent: 5884706 (1999-03-01), Edwards
ABB Vetco Gray Inc.
Bradley James E.
Neuder William
LandOfFree
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