Spiral Drill Collar With Elevator Groove And Slip
yunyun you
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Basic Information
| Place of Origin | Jiangsu China (Mainland) |
|---|---|
| Brand Name | chenlong |
| Type | Drill Collar |
| Machine Type | Drilling Tool |
| Certification | API |
| Material | High Manganese Steel |
| Use | Well Drilling |
Elevator groove and slip groove made on the box thread face of normal drill collar or sprial drill collar can be used as lifting sub and safty slip when trip out. The technical parameters for elevator groove and slip groove is as per API Spec.7-1. Hard banding is optional at customers request.
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