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T1000 Wireline Cablehead Thermometer

Electronic Replacement for Mercury Maximum reading thermometers

Page last modified
Tuesday, March 30, 2021 - 14:30

In the past, Maximum reading mercury thermometers were placed in logging cable heads to get a uniform, independent downhole temperature measurement. With the banning of mercury, AccSensum have developed the T-1000 thermometer (patent pending) allowing temperature vs time logs for the entire run duration.


Up to 3 independent temperature measurements per run
Installation does not interfere in any way with wireline tool string or telemetry
With multiple runs, Horner plot to determine static temperature can be generated
Can be used to determine temperature gradients
Requires use of small lithium batteries


Areas of application Used to provide gradients, Reservoir Temperature, and tool correction temperatures.
Depth With provision of depth file, temperature vs depth is deliverable.
Range 0-180 ºC
Temperature A calibrated Temperature measurement.
Weight 180g

Relative Business Impact

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Technology Readiness Level


Development Technology demonstration Mature / Proven

About AccSensum

AccSensum was set up to provide Efficient, Compact and Reliable Downhole memory sensors for the Oil, Gas and Geothermal Industries.  AccSensum, specialise in temperature, pressure and accelerometer measurements, with simple to use USB communications and safe, High Temperature batteries.

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