Eight-Arm Dual-Layer Push-Pull Caliper

Electrical Imaging Hydraulic Eccentralizer

Eight-Arm Dual-Layer Push-Pull Caliper

  • Customizable upper/lower electromechanical interfaces
  • Hydraulically powered caliper system
  • Eight independently moving arms, arranged in dual layers (4 pads per layer)
  • Ambient temperature: 205℃ /Pressure: 140MPa
  • Tool diameter: OD 90mm (CPL OD 90 series compatible interface)
  • Maximum diameter: OD127mm
  • Applicable borehole range: 203mm–406mm
  • Patented technology enables both upward-pull and straight-push logging modes

R&D stage product– 1 unit prototype had developed