Uses

    The inspection of well cementation.

    Only a single-conductor cable is needed to connect the surface system with downhole tools.The temperature compensator in the Gamma Ray Tool can compensate the drift caused by the temperature on Gamma ray detector.Two transmitters and three receivers can effectively overcome the problem of tool deviation and the influence of the liquid in the well.

       Maximum working pressure:70MPa
       Maximum working temperature:150°C
       OD:ø70mm
       Working voltage (at cable head) 110VDC

       Working current:
          Casing collar locator/telemetry cartridge: 25mA
          Natural Gamma ray tool:23mA
          Sonic cement bond tool:38mA
          Logging speed:≤600m/h
          Natural gamma background counts:≥100cps
          Gamma error band of ebb and flow:≤10%

       Length:
          Upper centralizer:79cm
          Casing collar locator/telemetry cartridge:104cm
          Natural Gamma ray tool:145cm
          Sonic cement bond tool:280cm
          Lower centralizer:79cm
          Zero Length (counted from the bottom of the tool):
          Casing collar locator/remote sensing cylinder:79cm
          Natural Gamma ray tool:114cm

       Sonic cement bond tool:
          Range1 (X1---R1):160cm
          Range 2(X1---R2):145cm
          Range 3(X2---R1):69cm
          Range 4(X2---R2):53cm
          Recorder of variable density or XY:122cm

       Weight:
          Upper centralizer:6.8Kg
          Casing collar locator/telemetry cartridge:18Kg
          Natural Gamma ray tool:26Kg
          Sonic cement bond tool:39Kg
          Lower centralizer:6.8Kg

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