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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.
API spiral Drill Collar
2016-10-26 06:15 Views:306
Price:Negotiable
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Company name:China Vigor Drilling Oil Tools and Equipment Co.,Ltd
Status:[Offline] [Send message] [Chat]
Business contact:Cherry (Ms.)
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Mobile:
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Area: Caribbean Region-Bermuda
Address:Building No.4 I-City, South Tangyan Road,,High-Tech Zone, Xi
Zip:710065
Status:[Offline] [Send message] [Chat]
Business contact:Cherry (Ms.)
Telphone:
Mobile:
Fax:
Area: Caribbean Region-Bermuda
Address:Building No.4 I-City, South Tangyan Road,,High-Tech Zone, Xi
Zip:710065