|
|
| model hc-d 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.
-
permanent pack-off is achieved after the packer is weight set.
-
both the packer elements and groups of v-rings provide 5,000 psi sealing capacity.
-
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 packe.
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.
|
|
7-5/8
|
12
|
26
|
20~40
|
44~88
|
35
|
5,000
|
233
|
9.173
|
|
7
|
208
|
8.189
|
|
5-1/2
|
|
5
|
146
|
5.748
|
|
4-1/2
|
|
|
|
