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Quick Details

  • Place of Origin: Jiangsu, China (Mainland)
  • Brand Name: YAOU
  • Model Number: Spiral drill collar
  • Type: Drill Collar
  • Machine Type: Drilling Equipment
  • Certification: API
  • Material: Carbon Steel
  • Processing Type: Forging
  • Use: Well Drilling

Packaging & Delivery

Packaging Details Standard export packing.

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 spec 7-1 .Hard banding is optional at customers request

Technical specification and parameters.....

Drill collar ranges O.D. (mm)

Elevator groove depth(mm)

Elevator groove length(mm)

Slip groove depth(mm)

Slip groove length(mm)

101.6117.5

5.6

4.8

406

457

120.6142.9

6.4

4.8

406

457

146.0168.3

7.9

6.4

406

457

171.4219.1

9.5

6.4

406

457

≥222.2

11.1

6.4

406

457

 

...

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