Steel Drill Rods of Non-Standard Raw (SDRN).
TC 3668-286-00147016-2006
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Steel Drill Rods of Non-Standard Raw with Weld-on Tool Joints are foreseen for drilling-out of cement well bores during the capital repair of oil and gas wells and for drilling of small depths wells.
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Drawing 6 – Steel Drill Rods of Non-Standard Raw
Тable 12 – Technical characteristics of drill rods SDRN
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Marking-off standard size
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Basic parameters, mm
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Thread
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Body of the rod
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Tool joint
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Outside diameter, D
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Wall thickness, S
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Outside diameter, D1
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Inside diameter, d
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60 x 7
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60
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7
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86
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32
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Z-73
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63.5 x 8
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63.5
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8
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75
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32
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Z-57
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73 x 9
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73
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9
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92
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34
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Z-73
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73 x 9
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73
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9
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95
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34
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Z-73
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89 x 9
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89
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9
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95
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34
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Z-73
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Note:
- According to customer’s coordination drill rods can be made of any length from 0.7m up to 6.2 m;
- Group of durability of drill rods: «K» (made of steel 36G2S, 37G2S, 32G2) and «D» (it is possible to make drill
rods of steel 45). Tool joint are made of steel 40ХН.
- Tool joint’s thread Z-73 is analogical to the thread NC 26 in API7
- It is possible to make drill rods according to coordinated drawing.
WE ACCEPT ORDERS for the production of drill rods
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SDRN).
TC 3668-286-00147016-2006
