Rugao Yaou Import & Export Trade Co., Ltd.
Main products:Drill Collar,Power Tong,Valve,Manual Tong,DDZ Elevator
Products
Contact Us
  • Contact Person : Mr. Xue aihong
  • Company Name : Rugao Yaou Import & Export Trade Co., Ltd.
  • Tel : 86-513-87635480
  • Fax : 86-513-87632623
  • Address : Jiangsu,Rugao,Room 907 #13 Jinjiuhuafu Ninghai RD.
  • Country/Region : China
  • Zip : 226500

Spiral drill collar,drill collar,drilling collar

Spiral drill collar,drill collar,drilling collar
Product Detailed
Spiral Drill Collar With Elevator Groove And Slip Groove Spiral drill collar,drill collar,drilling collar

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

Spiral drill collar,drill collar,drilling collar.

Spiral drill collar,drill collar,drilling collar



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