|
|
| model cfz-a hydraulic stage collar |
|
| |
features
-
the circulation ports can be hydraulically opened, eliminating the need to use a free-fall opening plug. therefore, it is not restricted to well inclination.
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internal closing structure and anti-rotation mechanism protect the closing sleeve from damage while drilling out the opening and closing seats.
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all internal parts are made of easily drillable material.
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opening pressure adjustable upon customer request.
specifications
|
casing size
|
casing weight
|
max o.d.
|
drill-out i.d.
|
overall length
|
|
in.
|
kg/m
|
l b/ft
|
mm
|
in.
|
mm
|
in.
|
mm
|
in.
|
|
5-1/2
|
25,30
|
17.00
|
172
|
6.772
|
124
|
4.882
|
780
|
30.709
|
|
29.76
|
20.00
|
121
|
4.764
|
|
34.23
|
23.00
|
119
|
4.685
|
|
7
|
38 69
|
26.00
|
210
|
8.268
|
159
|
6 260
|
930
|
36.614
|
|
43.16
|
29.00
|
157
|
6.181
|
|
47.62
|
32.00
|
155
|
6.102
|
|
7-5/8
|
44.20
|
29.70
|
230
|
9.055
|
175
|
6.890
|
1120
|
44.094
|
|
50.15
|
33.70
|
172
|
6.772
|
|
58 04
|
39.00
|
168
|
6.614
|
|
9-5/8
|
59.53
|
40.00
|
282.5
|
11.122
|
224
|
8.819
|
1170
|
46 063
|
|
64.74
|
43.50
|
222
|
8.740
|
|
69.94
|
47.00
|
221
|
8 701
|
|
10-3/4
|
75.90
|
51.00
|
302
|
11.890
|
250
|
9.843
|
1210
|
47.992
|
|
82.59
|
55.50
|
248
|
9.764
|
|
90.33
|
60.70
|
245
|
9.646
|
|
|
|
