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> Calliper-Fullbore Temperature

The CFT combines a two-axis (X-Y) calliper with a fullbore flowmeter and a high resolution temperature sensor in a single, short tool. The spring cage of the flowmeter provides sufficient centralisation force to eliminate the requirement for a lower centraliser when deployed with a typical production logging string.

The four-arm device is designed to minimise the risk of jamming in side pockets and other well fittings. The instrument is fitted with a high sensitivity flowmeter which operates in casings up to 9 5/8". The processing board provides an RS232 data output for the calliper, together with flow pulses and direction for interfacing with a client-specified telemetry systems. On-board temperature compensation ensures an accurate calliper measurement under all conditions.

A novel roller design minimises wear and reduces maintenance costs, whilst optional larger rollers ensure the optimum stand-off from casing.

Product Features
  • Combined Temperature, Fullbore flowmete and X-Y Caliper in one short tool
  • Large range of ID's can be logged with a single tool with Guardians optional unique 'Proportional Blade' design
Product Applications
  • Wells where flow needs to be logged through multiple diameters or where is uncertainty about well ID
  • Rigups where tool length needs to be kept to a minimum
  • High flow rate injection wells where there is a concern about flowmeter being blown closed


   
Calliper-Fullbore Temperature
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