Radioactive Logging MODULE (GGKLP + NNKT)
Tasks to be solved:
- measurement of bulk density of rocks and photoelectric absorption index of rocks;
- detailed lithological dissection and stratigraphic studies;
- determination of filtration-capacitive properties;
- determination of the mineral composition of rocks;
- construction of a wellbore sweep for geosteering (16 sectors);
- well diameter determination
nominal diameter of the downhole tool | 121 mm |
downhole tool length | 3000 mm |
maximum working temperature | +120 ° C |
maximum working pressure | 80 MPa |
power consumption | 6.7 watts |
supply voltage | 24 ÷ 40 V |
bulk density measurement range | 1.7 ÷ 3.0 g / cm 3 |
limit of the main relative measurement error of bulk density | 1.7 to 2.0 ± 1.5% 2.0 to 3.0 ± 1.2% |
photoelectric absorption index measuring range | 1.0 ÷ 7.0 barne / electron |
limit of the main relative measurement error of the photoelectric absorption index | ± 0.2 at Re <2.5 bar / electron |
volumetric measurement range of hydrogen content | 0 ÷ 40% |
limit of the main relative measurement error of the volumetric hydrogen content | ± [4,2 + 2,3 * (40 / W-1)]% |
The instrument uses a litho-density logging probe developed at NPP Energia.