drill collar pipes
Product Details
Size from 3-1/8" to 11"
Type: Normal drill collars, Non-magnetic drill collars, Spiral drill collars
Material: AISI 4145H
Length 9150mm & 9450mm
Detailed Product Description
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 tract by large rigidity. Manufactured strictly from API Spec 7.
all its physical properties conform to the latest API Spec 7.
- Package:bundle
- Application:petroleum well
- Type:Drills
- black:silver
- Technique:Seamless
- Secondary Or Not:Is Secondary
- Application:Drill Pipe
- Place of Origin:Beijing China (Mainland)
- Country:China (Mainland)
- telephone:86-10-63407657
| Package: | bundle |
| Payment Terms: | L/C,T/T |
| Port: | tianjin |
| Package: | bundle |
| Application: | petroleum well |
| Type: | Drills |
| black: | silver |
| Technique: | Seamless |
| Secondary Or Not: | Is Secondary |
| Application: | Drill Pipe |
| Place of Origin: | Beijing China (Mainland) |
