Range 2: Length of one pipe (including drill pipe joints), m – 9,2-9,3
Range 3: Pipe length, m – 12,2-12,5
下面是采购订单中对钻杆的参数描述，你可以参考下相关参数。
1. Grade – S 135
2. Outer diameter, mm – 73 (2-7/8”)
3. Upset type – external (EU)
4. Wall thickness, mm – 9,19
5. Inner diameter, mm – 54,6
6. Rotative moment, N*m – 28200
7. Tensile loading, kN – 1700
8. Burst strength, MPa – 205,1
9. Collapse pressure, MPa – 204,9
10. Thickness tolerance, not more than – 5%
Joint Characteristics:
1. Thread type – with two lips
2. Outer diameter, mm – 104,8 (4-1/8”)
3. Inner diameter of connector, mm – 50,8 (2”)
4. Elevator shoulder angle, ? - 18,0
5. Tensile loading, kN – 2208
6. Maximum permissible make-up torque, N*m – 14000
7. Minimum permissible make-up torque, N*m – 10700
8. Maximum permissible rotative moment, wherein the destruction takes place N*m – 23323
Assembly data
1. Outer diameter of pipe elevator, mm – 81,0
2. Inner diameter of weld junction, mm – 50,8
3. Weight, kg/m – 17,22
4. Length of one pipe (including drill pipe joints), m – 9,2-9,3
2.Spiral Drill Collar
Pipe Characteristics:
1. Jointless spiral HWDP
2. Grade – 758MPa Integral
3. Outer diameter of pipe body, mm – 81,0 (3-3/16”)
4. Nominal outer diameter, mm – 73 (2-7/8”)
5. Diameter of elevator recess, mm – 81,0 (3-3/16”)
6. Wall thickness, mm – 15,08
7. Inner diameter, mm – 50,8 (2”)
8. Rotative moment, N*m – 38500
9. Tensile loading, kN – 2400
10. Burst strength, MPa – 247,23
11. Collapse pressure, MPa – 229,92
12. Thread type – with two lips
13. Outer diameter, mm – 104,8 (4-1/8”)
14. Inner diameter of connector, mm – 50,8 (2”)
15. Length of collar key place, mm – 609,6 (24”)
16. Length of connector key place, mm – 609,6 (24”)
17. Length of one pipe, m – 9,2-9,3
18. Weight, kg/m – 44,53
3.Drill pipe
1. Application: slide rotation drilling, stripping, flushing, lowering and cementing of “tails”
2. Grade – G-105
3. Outer diameter of pipe body, mm – 88,9
4. Inner diameter, mm – 70,2
5. Wall thickness, nominal, mm – 9,35
6. Thickness tolerance – 5
7. Outer diameter of joint, not more than, mm – 127
8. Inner diameter of joint, mm – 65,1
9. Tool-joint thread type - of elevator recess, mm – 81,0 (3-3/16”)
10. Yield limit of joint material, not less than, MPa – 825
11. Permissible tensile loading under minimum wall thickness, not more than – 172,6
12. Permissible rotative moment of pipe, not less than, kg/m - 3500
13. Permissible rotative moment of joint, not less than, kg/m - 3400
14. Permissible tensile loading of joint – 290
15. Fatigue strength endurance, not less than, kgs*mm2 – 17,5
16. Hardwearing coating of thread – obligatory
17. Pipe length, m – 12,2-12,5
18. Execution type of elevator ledge of a collar bearing - 90? (square)
19. Wrench square
connector part, not less than, mm – 250
collar part, not less than, mm - 300
20. Upset length, mm – 100/150
21. For a pipe party min and max full load characteristics should be provided, based upon allowance for pipe body, per wall thickness, and diagram of combined load from thrust load and rotative moment.
22. In tool set measuring and cutting instruments should be provided.
23. Number of possible repair actions – 5-6
