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Oil drill |
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General Drill Collar |
General Drill Collar |
General Drill Collar |
Non-magnetic drill collar |
Spiral Drill Collar |
Centralizer |
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Product Specifications |
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Model |
OD |
Diameter |
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mm |
in |
mm |
in |
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NC46-62(4IF) |
158.8 |
6 1/4 |
71.4 |
2 13/16 |
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NC46-65(4IF) |
165.1 |
6 1/2 |
57.2 |
2 1/4 |
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NC46-65(4IF) |
165.1 |
6 1/2 |
71.4 |
2 13/16 |
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NC46-67(4IF) |
171.5 |
6 3/4 |
57.2 |
2 1/4 |
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NC50-70(4 1/2IF) |
177.8 |
7 |
57.2 |
2 1/4 |
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NC50-70(4 1/2IF) |
177.8 |
7 |
71.4 |
2 13/16 |
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NC50-72(4 1/2IF) |
184.2 |
7 1/4 |
71.4 |
2 13/16 |
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NC56-77 |
196.9 |
7 3/4 |
71.4 |
2 13/16 |
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NC56-80 |
203.2 |
8 |
71.4 |
2 13/16 |
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6 5/8REG |
209.6 |
8 1/4 |
71.4 |
2 13/16 |
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NC56-90 |
228.6 |
9 |
71.4 |
2 13/16 |
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