Our Technology

Compensated Spectral Neutron

iQ-Tool-Icons-SGMultiple neutron spectra are captured and differentiated by their energy level to provide porosity measurements using spectral ratios and individual count-rates. The primary epithermal porosity measurement responds to the Hydrogen Index of the formation and is relatively unaffected by neutron absorbers and salinity, thus a truer porosity measurement is acquired. A second thermal porosity measurement is founded on both the Hydrogen Index and Capture Cross Section of the rock and pore space which is more sensitive to neutron absorbers, including variations in salinity. These differences are advantageous in calculating the clay volume and clay-type to enhance reservoir quality calculations and water saturation calculations based on a derived measurement of sigma (Σ). A unique and proprietary detector design increases the sensitivity and accuracy of the neutron energy responses, especially those within the higher energy epithermal range.

  • 2.75” (69.85mm) OD
  • 300°F (150°C) Temperature Rating
  • 15kpsi (103.4MPa) Pressure Rating
  • Hydrogen Index
  • Thermal Neutron Porosity
  • Formation Σ
  • Formation Evaluation in Open and Cased-Hole
  • Gas Detection with Density / Compressional Slowness
  • Neutron Porosity in Thermal Neutron Absorber Environments
  • Accurate Hydrogen Index
  • Clay Analysis
  • Thin Zone Identification
  • Low Activity Neutron Source (10.8mCi)
  • Low Z Housing
  • 1024 Channel MCA
  • Gain Stabilized Proprietary Scintillators
  • Compensated Measurement for Cased-Hole Effects (Casing, Cement, Borehole Fluid and Stand-Off)
  • Compensated Measurement for Open-Hole (KCL Muds, Barite Muds and Stand-Off)
  • SRO or Memory Operation
  • Mono-Conductor Cable Deployment
  • Integrated On-Board Memory