1239dual lateral logging tool（5700 series)
1239dual lateral logging tool（5700 series)
it include: electronic circuit, pressure balanced probe ,the lower electrode ,have functions of 5700 dual lateral logging tools , technical indicators also reached 5700 requirements .
The 1239 logging tool measurements ways are as follows: --depth mode have: standard measurement type , calibration type, --shallow measurement modehave:standard type , enhanced type .
Increases the temperature correction function. If Change the measurement methods ,could meet different measurement requirements of different formations, could obtain accurate information of formation resistivity
the 1239 tool could control " The measured power supply system " fast , use dual shield electrode, focusing on the main current , reduces the affection of cable, ,mud, ground, have better capability of Distinguish different lawyers ,have much depper investigation-depth, could measure bigger dynamic range, high accuracy; and in the non-permeable formations ,the deep and shallow lateral curves coincidence well; have very good radial probe characteristics; have a good radial probe characteristics.
The instrument's probe can have fiberglass or rubber electrode electrode.
● Working Temperature: -25℃～175℃；
● Working Pressure: 140Mpa;
● Product size: Sonde Diameter φ92mm, line/cable φ89mm; Length: 5730mm;
● resistivity measurement range :0.2-40000Ω·m;
● Accuracy (in undisturbed formation):
0.2 ~ 1Ω · m ,± 20%;
1 ~ 2000Ω · m ,± 5%;
2000 ~ 5000Ω · m ,± 10%;
5000 ~ 40000Ω · m ,± 20%;
● vertical resolution: 610mm;
● Depth: deep / Standard mode: 1.397m; deep / the Groningen mode: 1.067m;
shalow / enhanced mode: 0.787m; shalow/ Standard mode: 0.457m;
● Power supply: 180Vac ± 10V, 50 ~ 60Hz, ≈ 70mAac;
● cable-core allocation:
4 and 6: AC power supply;
● The instrument state transitions:
1,5 and 10: Logging;
1 and 10: Scale;
5 and 10: zero moment
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