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Drilling
FIXED DIAMETER HOLE OPENER
- Type:Drilling
- CAS No:
- Qty in 20' FCL:
- Min. Order:
- Packaging:
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-
Model
Hole open diameter
Qty of cutters
Min. Pilot hole
Fishing neck diameter
I.D.
Top connection(Pin)
Bottom connection
Overall Length
KKQ331
12 1/4”
3
8 1/2”
8”
1 1/2”
6 5/8REG
6 5/8REG
55”
KKQ406
16”
3
10”
9 1/2”
2 1/4”
7 5/8REG
6 5/8REG
59”
KKQ444
17 1/2”
3
10”
9 1/2”
2 1/4”
7 5/8REG
6 5/8REG
59”
KKQ559
22”
3
12 3/4”
9 1/2”
2 1/4”
7 5/8REG
6 5/8REG
69”
KKQ584
23”
3
12 3/4”
8”
3”
7 5/8REG
6 5/8REG
69”
KKQ610
24”
3
14”
10”
3”
7 5/8REG
7 5/8REG
69”
KKQ660
26”
3
17 1/2”
10”
3”
7 5/8REG
7 5/8REG
69”
KKQ4-914
36”
4
26”
10”
3 1/2”
7 5/8REG
7 5/8REG
87”
-
Fixed Diameter Hole Openers are used for expanding the drilled hole.
The cutters are manufactured under the severe quality control. All our TIANHE hole openers are field maintainable, with easy assembly and disassembly. They are all equipped with 3 or 4 cutters, as well as mud nozzles precisely located to clean the cutters and the hole simultaneously.
They are used for the following purposes.
1. When drilling of the big hole is not possible because of the rig capacity.
2. When a satisfied penetration rate is not obtained in case of the big hole
drilling, it is used after drilling with smaller bit.
3. When the hole direction must be controlled.
When ordering please specify:
● Hole size to desire;
● Pilot hole size;
● op and bottom connections;
● Fishing neck and bottom neck O.D and length;
● Type of cutters.
