is designed to determine rock electrical resistivity azimuthal distribution within a borehole with the scanning focused lateral logging sonde array.
Problems to be solved
Open well bore:
- geological formation azimuthal heterogeneities estimation;
- determination of layer bedding elements (dipmeter logging);
- reservoir quality discrimination and estimation of their anisotropy by electric properties;
- identification of vertical fracturing.
- strata inclination determination.
Cased well bore:
- Control of string technical condition;
- Detection of perforation holes, including slatted and drilling perforation.
Specifications
| Central electrode azimuth segments number | 16/8 |
| Investigation radial depth in open well bore, m | from 0.5 |
| Vertical resolution, mm | 15/30 |
| Azimuthal resolution, degree | 22.5 /45 |
| Measurements range: resistivity, Ohm•m azimuth, degree zenith, degree | 0.05 ÷1000 0 ÷ 360 0 ÷ 180 |
| Bed dip error: dip angle 5-10 degree , degree dip angle 10-50 degree , % | up to ±2 up to ±10 |
| Power consumption, W | up to 25 |
| Maximum temperature, 0С | 120 |
| Maximum hydrostatic pressure, MPa | 60 |
| Downhole dimensions, mm: diameter length (including centralizers) | 73 4700 |
| Weight, kg | up to 46 |
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