Firing Heads & Accessories

CATALOG (1) (2) 		 
Pressure Release Sub (Kobe Sub)


Firing Heads
  Mechanical FH
  Extended Mechanical FH
  Hydromechanical FH
  Absolute Pressure FH
  Differential Pressure FH
  Hydraulic FH
  Auto Release Hydraulic FH
  Auto Release Mechanical FH
  X-3  Crossover Assembly
  Absolute Press.Time Delay FH
 Time Delay
  Tensile Stud
 
Accessories
  Retrievable Production Packer
  Vertical Shock Absorber
  Radial Schock Absorber
  Debris Sub
  Mechanical Tubing Release
  Surge Sub Assembly
  Sure Shot Indicator
  Pressure Rel. (Kobe) Sub
  Drop Bar Activated Vent Sub
  Bi-Differential Press. Assy
  Drop Bars
  RA Marker Sub
  Dump Valve
  ByPass Valve
  Gun Brake 
  Y- Block

  

Description
The pressure Release (Kobe) Sub is utilized to establish communication between the tubing and the annulus. The communication ports is opened by breaking the kobe with the wireline tool or with the drop bar.

Advantages
Economical, Simple, Safe, and Reliable
Can be run in conjunction with all firing heads
Mechanical operation
Extreme overbalanced perforating
Small flow area

Operation
The Pressure Release (Kobe) Sub can be used with any and all Firing Heads. The most common use for this tool is placed below the packer and above the Differential Pressure Sub when using a Mechanical Type Firing Head.