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Active casing collar locator (ALM)

АЛМ

The tool has the following modifications by max operating temperature T max and upper value of borehole hydrostatic pressure Pmax :
  by temperature: 120, 150, 175, 200 °С,
  by pressure: 80, 100, 120, 140 МPа.

Designed for casing collars location.

Used for casing collars location for log data precise tying to depth .

Applications:
 tying to well section.
 

 Measured parameters Range Error 
Casing collar locator readings 100÷4000 ADC units not standardized

 General specifications
Tool length, mm 700 not more than
Tool diameter, mm 76 not more than
Tool weight, kg 12 not more than
Power supply:
supply voltage, V
supply frequency, Hz

220
50

10%
1%
Borehole diameter, mm 110÷350  
Logging speed, m/hr up to 2000  
Combinability feed-through  
Location in the borehole free