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Spiral Centralizer - Anti-Deviating Tool for Straight & Stable Drilling in Hard Formations [High-Strength Alloy, Multi-Size]

FSDRILL / Product

Spiral Centralizer

Anti-Deviating Tool for Straight & Stable Drilling in Hard Formations [High-Strength Alloy, Multi-Size]

Specifications

Model SCZ-91/110/140/190 Product Type Spiral Centralizer (Anti-Deviating Tool)
Material Carburized 4140 High-Strength Alloy Steel (HRC 55–60) Blade Type Helical Blades (150–300 mm Pitch)
Applicable Hole Sizes Ø80 mm – Ø300 mm Working Temperature –30°C to 850°C
Connection Type Clamp-On / Threaded / Weld-On Compatibility PDC Bits, Core Barrels, API Drill Pipes
Max Working Pressure 20 MPa OEM Service Custom Sizes & Logo Available
Deviation Control ≤1° / 30 m in hard/complex formations (70% reduction over non-centralized drilling)
Wear Resistance 800–1200 hours operational life due to deep carburized alloy shell (HRC 55–60)
Fluid Dynamics Helical fins induce circumferential turbulence to counter lateral drift in vertical wells
Installation Quick-lock clamp system reduces on-site assembly time by 50%
Tool Compatibility Fully compatible with standard PDC systems, triple-tube core barrels & oilfield drill strings
Model Outer Diameter Recommended Hole Size Use Case
SCZ‑80 78 mm 80–100 mm Geological survey & core drilling
SCZ‑100 98 mm 100–130 mm Hydro drilling in granite & silty rock
SCZ‑150 148 mm 150–200 mm Hard formation grouting / urban tunnels
SCZ‑200 198 mm 200–300 mm Oilfield vertical well stabilization
Product & manufacturing images

Key Specifications

Model SCZ-91/110/140/190 Product Type Spiral Centralizer (Anti-Deviating Tool)
Material Carburized 4140 High-Strength Alloy Steel (HRC 55–60) Blade Type Helical Blades (150–300 mm Pitch)
Applicable Hole Sizes Ø80 mm – Ø300 mm Working Temperature –30°C to 850°C
Connection Type Clamp-On / Threaded / Weld-On Compatibility PDC Bits, Core Barrels, API Drill Pipes
Max Working Pressure 20 MPa OEM Service Custom Sizes & Logo Available

Technical Features

Deviation Control ≤1° / 30 m in hard/complex formations (70% reduction over non-centralized drilling)
Wear Resistance 800–1200 hours operational life due to deep carburized alloy shell (HRC 55–60)
Fluid Dynamics Helical fins induce circumferential turbulence to counter lateral drift in vertical wells
Installation Quick-lock clamp system reduces on-site assembly time by 50%
Tool Compatibility Fully compatible with standard PDC systems, triple-tube core barrels & oilfield drill strings

Model Guide

Model Outer Diameter Recommended Hole Size Use Case
SCZ‑80 78 mm 80–100 mm Geological survey & core drilling
SCZ‑100 98 mm 100–130 mm Hydro drilling in granite & silty rock
SCZ‑150 148 mm 150–200 mm Hard formation grouting / urban tunnels
SCZ‑200 198 mm 200–300 mm Oilfield vertical well stabilization

Field Performance

  • Tarim Oilfield: Reduced borehole deviation from 3.2° to 0.8° in granite-rich layers, cutting drilling time by 25%
  • Guizhou Tunnel Project: Maintained ±1° verticality over 180 m depth in fractured rock zone
  • Shanxi Coal Basin: Enabled accurate pilot-hole drilling for directional explosives using SCZ-100