Drill collar
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Product Property
| Product Status : | New |
| Sample Available : | no |
| Payment Mode : |
Bank Transfer,L/C |
Description
Drill Collar Number:NC23-31
Outside Diameter(mm):79.4
Inside Diameter(mm):31.8
Length(mm):9150
Ref.Bend (g)Strength ratio: 2.57 ：1
DF Bevel Diameter:76.2
Drill collar is mainly used to provide bit weight to drill bit so that drill pipe is in tension. Especially drill collar can keep drill bit centralized and hole track by large rigidity. Our drill collar are manufactured strictly from API Spec7-1 and SY5411 standard.
Outside Diameter(mm):79.4
Inside Diameter(mm):31.8
Length(mm):9150
Ref.Bend (g)Strength ratio: 2.57 ：1
DF Bevel Diameter:76.2
Drill collar is mainly used to provide bit weight to drill bit so that drill pipe is in tension. Especially drill collar can keep drill bit centralized and hole track by large rigidity. Our drill collar are manufactured strictly from API Spec7-1 and SY5411 standard.
