Industrial Supplies Projects

Function：
With a good performance of stratum Lithology acquisition, strata division, resistivity, porosity and volume density determination ,makes it a incompensible part of the series probes. valuates the radiate minerals content such as K and U, tell radiate minerals from non-radiate ones .

Specifications：
*Measured parameters: double-spaced compensated density (DsCD), Natural Gamma, Three direction laterolog, Caliper and spontaneous potential
*Data transmitter: 8-bit serial output
Work environment: -10℃ to 70℃
Dimensions:Ф50×2950mm (divided to two segments)
Probe weight: ≤28 Kg,
Pressurization: less than 20Mpa

DSCD (double-spaced compensate density log)
Function：
The source relies on oriented-emitting, and explorer uses long- or short-spaced oriented receiver which is wall-sticking can reduce affect borehole type to the density measurement.

Specifications：
Work source strength: 100mCi137Cs radioisotopes.
Short spacing: 200mm, Long spacing: 350mm
Glimmers body: Nal(T1), Ф23×40mm
Photomultiplier Tube: GDB23
Counting range: 0 to 32000cps
Measurement density range: 1 to 4g/cm3
Measurement relative error: 5%
Stability: work a continual 4-hour (5μCi or C s137 source), and the output changes less than 5%

Natural Gamma logging
Specifications：
Glimmers body: NaI(T1), Φ23×60mm
Photomultiplier Tube: GDB23
Measurement range: > 30Kev γ-rays
Counting range: 0 to 32000cps
Stability: be able to work a continual 4-hour, and the output change no more than 3.5%(an average of 100 data set).
Trace-interval disturbance: Values the source-loaded traces can disturb the natural ones are no more than 0.5%.

Three-lateral Resistivity laterolog
Specifications：
Range of measurement: 0 to 2kΩ
Scaling accuracy error: <5%
Stability: can work a continual 4-hour, and its output changes no more than 5%.
Main electrode length: 25mm, electrodes full length is 455mm

Caliper logging：
Specifications：
phole device controls the downhole probe, make it instantly fold or unfold t