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For quantity reduction of round-trip operations and simultaneous

recording of several parameters, TzSP-С/О-90 tool can be produced as an integrated tool with the TzSP-GK-S-90 digital downhole gamma-ray spectrometry tool (100 mm diameter in complex) and also be completed with a thermometry channel.

Downhole tool is to be run with the log recorder Hector, Vulcan V3 and with tree-core cable.

Features and Advantages

• simultaneously-consecutive registration of 3 energy spectrums according to 512 quantization signal levels according to amplitude and summary gamma-radiation temporal spectrum according to 50 channels;
• the use of high-frequency impulsive (10 khz) fast neutron ING-06 radiator of increased power (more 10⁸ n/sec) and operation resource more 200 hours;
• technological program package for measurements process control and application program package for primary C/O logging data processing.

Application field

Estimation of oil-and-gas saturation coefficient on value of the relative amplitude of C/O and Ca/Si anomalies taking into account layers lithology, neutron and effective porosity of the investigated collectors.

Measurement of inelastic scattering gamma-ray, radiation capture gamma-ray and epithermal neutron spacetime and energy distributions provides the principle conditions for calculating of partial contributions from the basic oil-, water- and rock-forming element nuclei (C, O, H, Si, Ca, Fe, Cl, etc.) as well as for calculating different relations associated by the correlation dependences with the filtration-capacity parameters, rock lithology and fluids (oil, water) which saturates them.