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Spiral drill collar is used to reduce contact area with hole so as to avoid efficiently bit sticking from diffirential pressure.The drill collars are manufactired strictly according to API Spec7-1 and NS-1 Standard , Alsp Norsok Spec.
drill collar
2016-12-29 18:52 Views:78
Price:Negotiable
The drill collars are manufactired strictly according to API Spec7-1 and NS-1 Standard , Alsp Norsok Spec.
The drill collars are manufactired strictly according to API Spec7-1 and NS-1 Standard , Alsp Norsok Spec.
Contact Infomation
Send Inquiry
Company name:China Vigor Drilling Tools and Equipment Co,. Ltd
Status:[Offline] [Send message] [Chat]
Business contact:ViviSun(Mr.)
Telphone:
Mobile:
Area: Caribbean Region-Bermuda
Zip:710065
Status:[Offline] [Send message] [Chat]
Business contact:ViviSun(Mr.)
Telphone:
Mobile:
Area: Caribbean Region-Bermuda
Zip:710065