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Products

Heavy-wall non-magnetic drill pipes (FLEX)

Design types:

  • without central swells;
  • with one central swell;
  • with two central swells;

Heavy-wall non-magnetic drill pipes with a rectangular elevator ledge can be also supplied:

  • without central swells;
  • with one central swell;
  • with two central swells.

without central swells

Heavy-wall non-magnetic drill pipes sizes

Diameter, mm Thread size
Outer, D
Pipe bodies, D2
Internal
opening, d
Swells, Du
Elevator
grooves, De
105 89 51 102 92 З-86 (NC31)
105,5 89 51 102 92 З-83
121 89 51 102 97 З-94 (NC35)
121 89 63 102 97 З-102 (NC38)
127 102 57 114 106 З-102 (NC38)
133 102 63 114 106 З-108 (NC40)
146 114 71 121 119 З-118 (NC44)
159 114 57 127 119 З-122 (NC46)
159 114 71 127 119 З-122 (NC46)
165 127 83 140 130 З-133 (NC50)
165 127 90 140 130 З-133 (NC50)
168 127 76 140 130 З-133 (NC50)
168 127 83 140 130 З-133 (NC50)
168 127 90 140 130 З-133 (NC50)
172 127 82,6 140 130 З-133 (NC50)
178 140 102 152 144 З-147 (5 1/2 FH)
184 140 90 152 144 З-147 (5 1/2 FH)
184 140 102 152 144 З-147 (5 1/2 FH)
203 168 102 181 176 З-163 (NC61)
203 168 127 181 176 З-171 (6 5/8 FH)

The supply of products with other sizes can be agreed with the customer.