is designed for gamma-ray energy spectrums registration, which are generated during neutron deceleration and absorption from closed radioactive source and dissipation high-energy gamma-radiation.
Registered information can be used for:
- reservoir saturation character determination;
- downhole cross-section lithological breakdown;
- element content estimations, which anomalously absorb thermal neutrons (Cl, H, Si, Ca, Fe, Mn, Ni, Co and others);
- estimations of dissipative and absorptive neutrons and gamma- radial parameters in rock and their correlation.
Features and advantages:
- registrates gamma-radiation in wide energy range, increasing SNGK methodical possibilities;
- the tool is made in the form of digital two-sonde module, which contains two multichannel energy spectrometers.
Delivery in complete set: downhole tool, interface unit, technological software, maintenance tool, spare parts and accessories, certificate, operating manual.
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Gamma-quantum measurements range, MeV |
0,06÷8,0 |
|
Energy resolution, % |
up to 12 |
|
Integral nonlinearity of spectrum energy scale |
up to ±3 |
|
Energy scale instability, % |
up to 1 |
|
Spectrometric track dead-time, microsec |
4 |
|
Maximum cable length, mm |
5000 |
|
Maximum admissible pressure, MPa |
60 |
|
Operating temperature range, °C |
-5 … +120 |
|
Tool dimensions, mm: – diameter – length (without centralizers) – length (with centralizers) |
48 up to 1650 up to 3000 |
|
Weight (without centralizers), kg |
up to 12 |
|
Weight (with centralizers), kg |
up to 21 |