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Quick Details

  • Place of Origin: Shandong, China (Mainland)
  • Brand Name: CNPS
  • Model Number: CNT
  • Max Temperature: 175℃
  • Max Pressure: 140MPa
  • O.D.: 3-5/8in(9.2cm)
  • Min Borehole Diameter: 4.5in(11.4cm)in Imaging Mode
  • Tool Length: 122.15in(5.45m)
  • Max Borehole Diameter: 12.5in(31.75cm)in Imaging Mode
  • Min Borehole Diameter: 5.5in(12.7cm)in Cased Mode
  • Max Borehole Diameter in Cased Mode: 13.375in(33.97cm)

Packaging & Delivery

Packaging Details wooden box,paper box
Delivery Time Shipped in 30 days after payment

The method that ultrasonic beams (about 0.2 inches in diameter) at 250-400 KHz transmitted by rotary ultrasonic transducer are focused to scan the side wall and the reflected waves are recorded by the tool is adopted by UBIT. CBIL - AMP is acquired by the change of the target echoes’ amplitude with the acoustic impedance changing. CBIL – TT is acquired by the change of the reflected waves’ transmission time with the geometric figure of side wall changing. The measurements of the reflected waves’ amplitude and the reflected waves’ transmission time can display the wall with high resolution, therefore, the lithology and changes of geometric figure such as cracks in the well can be obtained.



Dimensions and Ratings

Max Temperature:175

Max Pressure:140MPa


Min Borehole Diameter: 4.5in(11.4cm)in Imaging Mode

Tool Length:122.15in(5.45m)

MaxBoreholeDiameter:12.5in(31.75cm)inImaging Mode

MinBoreholeDiameter: 5.5in(12.7cm)in Cased Mode

MaxBoreholeDiameter:13.375in(33.97cm)inCased Mode

Borehole Conditions



Maximum Logging Speed:   21ft/min(6.4m/min)in Imaging Mode

60,30&20ft/min in Cased Mode

Tool Positioning:


Hardware Characteristics

Source Type: Rotary ultrasonic transducer

Sensor Type: Receiver and transmitter ultrasonic transducer

Sensor Spacing: N/A

Firing Rate: 200 shots/turn in Imaging Mode


100 shots/turn in Cased Mode

Radial Scan Rate: 40r/ftin Imaging Mode


4r/ftin Cased Mode

Radial Sampling Rate: 0.3in (in Imaging Mode)

6,3,1 in (in Cased Mode)

Combinability: DITS



Imaging mode: Measure the maximum amplitude and transit-time values of the reflected wave.

Cased mode: Measure the transit time, the peak amplitude and the resonant sum.


Imaging mode: Adjustable amplitude Reflected travel time is 30 to 409.6us Cased mode:    16 gray scales

Vertical Resolution:

Imaging mode:0.3in Cased mode: 0.25in

Investigation Depth:






Primary Curves:

Imaging mode:

Maximum amplitude and travel time of the ultrasonic echo; Bore hole fluid velocity

Cased mode:

Amplitude of the ultrasonic echo; Acoustic impedance, borehole radius, Case radius

Secondary Curves:

Imaging mode:


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