Intelligent Compensated Neutron (iCN)

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The Intelligent Compensated Neutron tool utilizes an Americium-241/ Beryllium (Am/Be) neutron source and dual Helium-3 detectors to measure the ratio of thermal neutrons at each detector. The ratio is environmentally corrected and porosity is calculated for the desired lithology. When run in combination with the Intelligent Litho Density tool, indications of lithology and gas zones can be interpreted.

LOGGING APPLICATIONS:

  • Determination of porosity
  • Lithology identification
  • Identification of gas zones

MECHANICAL:

LENGTH 5.3 ft (1.6 m)
DIAMETER 2.25 in (57 mm)
WEIGHT 43 lbs (19.5 kg)
PRESSURE RATING 20,000 psi (140 Mpa)
TEMP RATING 350 °F (175 °C)
MAX HOLE SIZE 14 in
TENSILE STRENGTH 65,000 lbs (289,134 N)

MEASUREMENT:

OUTPUT Thermal Neutron Porosity
RANGE -3 to 60 pu
VERTICAL RESOLUTION 12 in (30 cm)
ACCURACY +/- 1 pu or 6%
DEPTH OF INVESTIGATION 9 in (23 cm)