• Free Drillable Stage Collar
  • Free Drillable Stage Collar

Free Drillable Stage Collar

Description

Description
The Free Drillable Stage Collar is used for two-stage cementing operations. After cementing, the opening/closing plugs and sleeves will drop into the bottom of the casing, which requires no drilling out and saves the well-establish cost.
Features
Full flow area available after cementing.
No drilling out job required and high sealing capability of stage collar.
Specifications


PN

Size

Casing

Sealing capacity

In

mm

Lb/ft

mm

MPa

8429000236

5-1/2

139.7

17.00
20.00

7.72
9.17

35/50

8429000237

7

177.8

26.00
29.00
32.00
35.00

9.19
10.36
11.51
12.65

35/50

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