Table 19
Table 19 – The evaluation of efficiency of different variants of drill rods according to the expense during the drilling of the well with the depth 500 m
:
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Steel Universal Drill Rods
Steel Universal Drill Rods (SUDR)
SSR (State Standards of Russia) 51245-99
(TC (Technical Conditions) 3668-700-01423949-01)
Steel Drill Rods of the Heavy series
Steel Drill Rods of the Heavy series SDRH to KSSK-76
(TC 41-01-677-94)
Steel Drill Rods of Non-Standard Raw
Steel Drill Rods of Non-Standard Raw (SDRN).
TC 3668-286-00147016-2006
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Mechanical properties of the material of the drill rod’s body and the tool joint
Light Alloyed Drill Rods of Tool Joint’s Connection (LADR)
TC3668-708-01423949-03
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Light Alloyed Drill Rods for Core Drilling
Light Alloyed Drill Rods for Core Drilling
with diameter 54 mm (LADRCD-54) TC 41-01-363-79
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