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Fill/Flow Sub (Sludge trap)

Fill/Flow Sub (Sludge trap) is designed to allow fluid to fill the TCP string when running in the well. It also acts as a primary passage for reservoir production after detonation. An additional feature is a glass disc which is used to prevent debris from falling on the Firing Head before its activation.

Design features and application:

  • Ports provide flow area larger than the tubing bore.
  • Effective method of reducing debris deposit on downhole tools.
  • Simple design permits easy redress.
  • Available in standard EUE thread.
  • It is possible to use autorelease assembly.


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Specification

Feature
Value
Mark
VGS60-100.000
VGS73-100.000
Thread size and type, mm
V-60
V-73
OD, mm
78
93
Min ID, mm
45
60
Weight, kg
3,5
5
Flow area, cm2
20
30
Overall length, mm
225
235
Redress kit mark
RK VGS60-100.000
RK VGS73-100.000