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Description du produit
Description |
Upper junction block . |
Lower junction block |
Type |
Kelly sub |
Kelly |
Drill pipe sub |
Type A or B |
Drill pipe sub |
Drill pipe |
Drill pipe sub |
Type A or B |
Crossover sub |
Drill pipe |
Drill collar |
Type A or B |
Drill collar sub |
Drill collar |
Drill collar |
Type A or B |
Bit sub |
Drill collar |
Bit |
Type A or B |
Swivel sub |
Swivel lower sub |
Kelly |
Type C |
Fish sub |
Kelly |
Drill pipe sub |
Type C |
Drill pipe |
Fishing tool |
Type C |
O.D. Range |
Min. Yield Strength |
Min. Tensile strength |
Elongation Min. |
Min. Brinell Hardness |
3.1/2 THRU 6.7/8 |
760Mpa |
965Mpa |
13% |
285 |
7 THRU 10 |
690Mpa |
930Mpa |
13% |
277 |
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