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:
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

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