API 7-1 Spiral drill collar with Elevator Groove And Slip Groove

  • group nameDrilling Tools

  • Min Order5 piece

  • modelSpiral drill

  • update timeMon, 08 Apr 2013 00:05:31 GMT

Paramtents

  • API 7-1 Spiral drill collar with Elevator Groove And Slip Groove

  • CNC or Not Normal

  • Condition New

Packging & Delivery

  • Min Order5 piece

Briefing

1. Spiral collar with Elevator Groove And Slip Groove
2. API 7-1
3. design according to customer's need

Detailed


1. Spiral collar with Elevator Groove And Slip Groove
2. API 7-1
3. design according to customer's need

 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.

 

Drill collar ranges O.D.(mm)

Elevator groove depth (mm)

Elevator groove length(mm)

Slip groove length(mm0

Slip groove length(mm)

101.6-117.5

5.6

4.8

406

457

120.6-142.9

6.4

4.8

406

457

146.0-168.3

7.9

6.4

406

457

171.4-219.1

9.5

6.4

406

457

no less than 222.2

11.1

6.4

406

457