|
|
| model hc-e tie back seal nipple with packer |
|
| |
features
-
run with casing or casing plus drill pipe. used for the tie-back of a liner string to surface or to any position above the liner top.the packer is set after cementation.
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a solid expandable mechanism is incorporated into the packer system to hold 10,000 psi differential pressure.
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once the packer is set, the hold-down slips and the internal locking mechanism hold the packer tight. neither picking up nor slacking off the drill string can retrieve the packer.
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specially designed spring sleeve prevents prematured setting of the packer.
specifications
|
liner size
|
shear-pin shear
weight
|
packer compression
weight
|
sealing capacity
|
packing element
o.d.
|
|
in.
|
t
|
klb
|
t
|
klb
|
mpa
|
psi
|
mm
|
in.
|
|
10-3/4
|
15
|
33
|
30~40
|
66~88
|
70
|
10,000
|
308
|
12.126
|
|
7-5/8
|
233
|
9.173
|
|
7
|
210
|
8.268
|
|
5-1/2
|
160
|
6.299
|
|
5
|
152
|
5.984
|
|
|
|
