Hole Opening Tools for Drilling Rig
Zhenjiang Boral Machinery and Equipment Co., Ltd.- Certification：ISO 9001:2008, API
- Power Source：Hydraulic
- Operation Pressure：Vacuum
- Applicable Medium：Natural Gas, Crude Oil
- Structure：Horizontal
- Material：Cast Steel
Base Info
- Model NO.：NSJ
- API Standard：API-7-1
- Transport Package：Standard Export Case
- Trademark：NSJ
- Origin：China
- Production Capacity：10000 Pieces Per Year
Description
Number
of
CuttersPilot Hole(Min.) Fishing Neck Upper Lower ID OAL mm(inch) mm(inch) mm(inch) Conn. Conn. mm(inch) mm(inch) KZ3-216 215.9(8 1/2) 3 165.1(6 1/2) 120.7(4 3/4) NC38 3 1/2REG 25.4(1) 1524(60) KZ3-311 311(12 1/4) 3 215.9(8 1/2) 203.2(8) 6 5/8REG 4 1/2REG 38.1(1 1/2) 1524(60) KZ3-444 444.5 (17 1/2) 3 266.7(10 1/2) 241.3(9 1/2) 7 5/8REG 7 5/8REG 57.2(2 1/4) 1752(69) KZ3-584 584(23) 3 355.6(14) 241.3(9 1/2) 7 5/8REG 7 5/8REG 76.2(3) 1753(69) KZ3-660 660.4(26) 3 444.5(17 1/2) 241.3(9 1/2) 7 5/8REG 7 5/8REG 76.2(3) 1753(69) KZ3-813 812.8(32) 3 444.5(17 1/2) 241.3(9 1/2) 7 5/8REG 7 5/8REG 76.2(3) 1850(72 27/32) KZ3-914 914.4(36) 3 609.6(24) 241.3(9 1/2) 7 5/8REG 7 5/8REG 76.2(3) 1905(75) KZ4-914 914.4(36) 4 444.5(17 1/2) 241.3(9 1/2) 7 5/8REG 7 5/8REG 89(3 1/2) 2650(104 3/8) KZ4-813 812.8(32) 4 444.5(17 1/2) 241.3(9 1/2) 7 5/8REG 7 5/8REG 76.2(3) 2540(100) KZ6-1067 1066.8(42) 6 660.4(26) 241.3(9 1/2) 7 5/8REG 7 5/8REG 76.2(3) 1955(77)
UR-I Under Reamer
UR-1 Under reamer is used for enlarging the hole size under the casings.
Specification
UR-II Drilling Type Variable Diameter Hole Openers
UR-II Drilling type variable diameter hole opener is a tool to enlarge the hole size in drilling operation, and save the trip times. It can expediently control the cutters to expand and shrink. It has the advantages of exquisite structure, convenient control and flexible action Features. According to different requirements, it could be adjusted to revelant diameter in maintenance workshop.
Specification
of
Cutters
UR-I Under Reamer
UR-1 Under reamer is used for enlarging the hole size under the casings.
Specification
| Model | Ream Range (inch) | ID mm(inch) | Conn. | OAL mm(inch) |
| UR-I 241 | (5 7/8" - 9 1/2") | 38.1(1 1/2) | 3 1/2REG | 1369(54) |
| UR-I 609 | (12"~24") | 71.4(2 13/16) | 6 5/8REG | 1977(78) |
UR-II Drilling type variable diameter hole opener is a tool to enlarge the hole size in drilling operation, and save the trip times. It can expediently control the cutters to expand and shrink. It has the advantages of exquisite structure, convenient control and flexible action Features. According to different requirements, it could be adjusted to revelant diameter in maintenance workshop.
Specification
| Model | Ream Range (inch) | ID mm(inch) | Conn. | OAL mm(inch) |
| UR-II 184 | (8 1/4"~13") | 25.4(1") | 4 1/2REG | 2418(95) |