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Quick Details

  • Place of Origin: Shandong, China (Mainland)
  • Brand Name: CNPS
  • Model Number: PGRT
  • model: PGRT
  • OD: 89mm
  • Max Temperature: 177℃
  • Max Pressure: 140Mpa

Packaging & Delivery

Packaging Details wooden case packing
Delivery Time 10-180days




Product Description


The rugged gamma ray tool is used to measure natural gamma ray radiation generated from the downhole formation. Based on the inherent intensity of a known geological mineral deposit, the tool measuring depth can be determined. The rugged gamma ray tool differs from a conventional one in that it incorporates special anti-shock means in its electric connectors, electronics and sensors, enabling it to be logged with a perforator or a coring tool so that perforating or coring can be performed in a single run after the depth has been determined.



Mono-conductor cable transmission;
Pulsed signal, compatible with any surface logging system;
Rugged design so as to complete depth correction and perforation in one run;
Relay switching control to prevent wrong firing during logging;
Compatible with a rugged analog CCL.



Wireline Requirement:      Mono-conductor or Multi-conductor
Maximum Temperature:175℃ (350)
Maximum Pressure:20000psi (140MPa) 
Tool Diameter:89mm (3 1/2")
Shipping Length:1653.5mm (65.09″) 
Make-up Length:1216mm (47.87″) 
Measuring Point:From tool bottom
 445mm (17.51″) 
Tool Weight:36.5kg (80.3lb)
Detector Type:             
          GR:Shock proof NaI Crystal
Power Supply: 
Conductor Defination:         
Power/GR Signal:       #7~#10 for multi-conductor
Upper/lower connection:    10 pins
Amplitude of GR Signal:13V (with minus/plus pulse selectable)
Width of GR Signal:        33μs
Accuracy of GR:          1 pulse approximately equal to 1 API unit
Max. Temperature Drift of GR: ±15%
Vertical Resolution of GR: 203mm(8)
Max. Logging Speed:      10m/min(30ft/min)
Signal Output:           Analog


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China (Mainland) | Trading Company
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