/
:
1. :
- 151 ,,
- 161 ,
- 190,5 ,
2. Varel, Hughes, Smith, Kingdream:
- 152,4 (6") IADC 447, 437, 537, 617, 637
- 155,6 (6 1/8") IADC 447, 437, 537, 617, 637
- 165,1 (6 1/2") IADC 447, 437, 537, 617, 637
- 190,5 (7 1/2") IADC 447, 437, 537, 617, 637
- 215,9 (8 1/2") IADC 447, 437, 537, 617, 637
- 295,3 (11 5/8") IADC 447, 437, 537, 617, 637
: +375172116678