After-sales Service: | 7X24 |
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Warranty: | 13months |
Manufacturing Process: | Forging |
Samples: |
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Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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Payment Method: | |
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Initial Payment Full Payment |
Currency: | US$ |
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Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Product Description
Cross-over sub acts for conversion and connection and is the basic component in downhole work. It is divided into drill string cross-over sub and tubing Cross-over sub. Drill string Cross-over sub is divided into type A, type B and type C.And we can desgin and manufacture special types of subs to satisfy clients' ideas or drawings .
1.OD:57mm-168mm
2.Material:35CrMo/40Cr/4137H
3.Length: N:235mm M:195mm or as your request
4.Apply to connection 50mm drill rod Well Drilling,Geological drilling
5.Tool Joint: NC26, NC31, NC38, NC40, NC46, NC50, Vam Top or as your request
Technical Specification:
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 |
Suppliers with verified business licenses