Pressure Distributing Valve

Pressure Distributing Valve

  1. Brief introduction
    In middle drill string testing tool, connect pressure distributing valve between open hole packers. This kind of valve could adjust and distribute hydraustatic pressure between open hole packers and to every packer, which could avoid loss of seal cause of single packer could not bear testing differential pressure. The function is advantage for setting in unconsolidated layer or vertical fracture zone.
     
  2. Structure feature
    Pressure Distributing Valve is closed automatically when pressure sealed by packers is equal to determined operating pressure. Pressure Distributing Valve keeps closed in whole testing if testing reservoir pressure not higher than its operating pressure.
     
  3. Technical specification
    Size ID(mm) Length(mm) Working temperature (℃) Service circumstances Thread connection
    5’’ Ф42 758 -40℃~+150℃ Mud,crude oil, natural gas and water, which all without H2S 3 1/2’’FH.B×P

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