Drill Collar

Model:	Drill Collar-1
Brand:	China Vigor Drilling
Origin:	Made In China
Category:	Metallurgy , Mining & Energy / Energy / Petroleum
Label:	Short Drill Collar , Sprial Drill Collar , Slick Drill Collar
Price:	US $500 / unit
Min. Order:	100 unit

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Product Description

Spiral Drill Collar With Elevator Groove And Slip Groove

Elevator groove and slip groove made on box thread face of slick drill collar or spiral drill collar can be used as lifting sub and safety slip when trip out.

The technical parameters for elevator groove and slip groove is as per API SPEC7-1. Hardbanding is optional at customers’ requests.

Technical specifications and parameters

Spiral Drill Collar With Elevator Groove And Slip Groove
Spiral Drill Collar With Elevator Groove And Slip Groove
Elevator groove and slip groove made on box thread face of slick drill collar or spiral drill collar can be used as lifting sub and safety slip when trip out.
The technical parameters for elevator groove and slip groove is as per API SPEC7-1. Hardbanding is optional at customers’ requests.
Technical specifications and parameters
Drill collar ranges OD(mm)	Elevator groove depth(mm)	Elevator groove length(mm)	Slip Groove depth(mm)	Slip groove length(mm)
101.6~117.5	5.6	406	4.8	457
120.6~142.9	6.4	406	4.8	457
146.0~168.3	7.9	406	6.4	457
171.4~219.1	9.5	406	6.4	457
≥222.2	11.1	406	6.4	457