The Series 4000 Stacked Gamma-Temperature-Telemetry Tool
records natural gamma and temperature and provides data
transmission telemetry. It works by itself or in combination with the
4175 Stacked Neutron Tool Sub or 4239 Stacked Photoelectric
Density Tool Sub or both tool subs together.
FEATURES
Properties Measured
1. Natural Gamma:
2.9 x 10.2 cm (1.125 x 4.5
in.)
NAI Scintillation
Offset: 25.4 cm (10 in.)
2. Temperature Measurement:
Thermal temperature on needle
sensor.
Offset: 115.57 cm (45.5 in.)
Length: 131.47 cm (51.76 in.)
Temperature: 125 C (257 F)
Diameter: 63.5 mm (2.5 in.)
Pressure: 350 kg/cm2 (5,000 psi)
Weight: 18.37 kg (40.5 lb.)
Logging Speed: 9 m/min(30 ft./min.)
4000 Series Tool
