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Focused Electric (Guardlog)

http://www.neweradentalsociety.org/?biter=%D8%A7%D8%B3%D9%87%D9%85-%D8%A7%D8%AA%D8%B5%D8%A7%D9%84%D8%A7%D8%AA-%D8%A7%D9%84%D8%A7%D9%85%D8%A7%D8%B1%D8%A7%D8%AA-%D8%A7%D9%84%D9%8A%D9%88%D9%85&0cf=5a اسهم اتصالات الامارات اليوم The focussed resistivity (LL3) measurement provides excellent vertical resolution and a reasonable depth of investigation. The guard log replaces the classic Elog in conditions of low mud resistivity and high formation resistivity.

Principle of Measurement:

لماذا تتداول بالخيارات الثنائية The probe includes a central current-source electrode between two guard electrodes, maintained at the same potential by internal electronics. Current from the centre electrode is constrained to a thin disk by the presence of the guards and returns to the cable armour above a 10m insulated section. The potential of the central electrode with respect to a surface voltage-reference stake and the measured current are combined by a down-hole microprocessor to calculate apparent formation resistivity.

كم توقع تداول اسهم اسمنت Features

  • Good depth of penetration with excellent bed-boundary resolution
  • Down-hole calibration check using internal resistor
  • Digital down-hole measurement avoids errors due to cable effects in deeper boreholes
  • Constant-power down-hole current source give 4 decades of measurement without range switching

شكاوى خيار ثنائي Measurements

  • Focussed resistivity
  • Natural gamma

Applications

الخيارات الثنائية iq option Water

  • Determination of water quality
  • Indication of permeable zones and porosity
  • Minerals/Engineering
  • Strata correlation between boreholes
  • Indication of fractures and permeable zones
  • Bed-boundary and thickness measurements
  • Moisture determination in coal

Specifications

Diameter: 38mm
Weight: 8kg
Temperature: 0-70⁰C (extended ranges available)
Max. pressure: 20MPa
Measurement range: 1 to 2,000 ohm-m

Operating Conditions

اخبار الاسهم الخميس Borehole type: open-hole, water-filled
Centralisation: standoff recommended. The logging cable armour should be insulated for 10m above probe head.

Sales Information

I002078 Focussed electric probe includes natural gamma

 

Download Focused Electric (Guardlog) sheet

Support

...Practical Innovation with Global Service & Support...

Robertson Geologging Ltd., 2017

how can we help you?

(+44) 1492 582 323 sales@geologging.com