La description
Drill Collar is the basic component in the BHA which provides
weight on the bit for drilling and keeps the drillsting in
tension.
Drill Collar has been approved by the NS*1 certification, it is
manufactured from ***5H modified quenched and tempered steel,
strict metallurgical specifications are followed to insure that
full length heat treating produces a consistent maximum depth of
hardness.
Features and Benefits
A hardness range of **5 to **1 BHN and a Charpy impact value of *0
ft-lbs are guaranteed at evenly distributed *6 points in any
sections at room temperature;
Connections are completed(phosphate coated)to protect them from the
elements after machining and to help prevent galling upon initial
make-up;
Thread roots are cold rolled on API and H**0 connections;
Pressed steel thread protectors are supplied for all drill collar
that are equipped with standard connections
When ordering Please specify;
Drill collar OD and ID;
Overall length;
Connections required (size and type);
Special features desired, for example:
Slick or Spiral;
Stress Relief Features;
Slip and/or Elevator Recess
| Pays: |
China |
| N ° de modèle: |
-
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| Prix FOB: |
(Negotiable)
Obtenir le dernier prix
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| Localité: |
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| Prix de commande minimale: |
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| Commande minimale: |
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| Packaging Detail: |
in bundles |
| Heure de livraison: |
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| Capacité de Fournir: |
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| Payment Type: |
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| Groupe de produits : |
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