ATS-A Production Logging Tool

ATS-A

Accelerometer & Temperature

The accelerometer/temperature tool is used to make environmental corrections to logs made by other sensors.

Acceleration data is passed through special processing software to compute the instantaneous deviation in depth from the indicated value provided by the measure-wheel, caused by stick-slip or yo-yo motion of a tool string.

Temperature (internal) is used to correct for thermal expansion of a long tool-string that introduces errors into the depth offsets.

These corrections must be combined with accurate calibrated values of the measure-points for each tool in the string, for maximum accuracy.

ATS-A

Accelerometer & Temperature

The accelerometer/temperature tool is used to make environmental corrections to logs made by other sensors.

Acceleration data is passed through special processing software to compute the instantaneous deviation in depth from the indicated value provided by the measure-wheel, caused by stick-slip or yo-yo motion of a tool string.

Temperature (internal) is used to correct for thermal expansion of a long tool-string that introduces errors into the depth offsets.

These corrections must be combined with accurate calibrated values of the measure-points for each tool in the string, for maximum accuracy.

ATS-A Specifications

SensorsAccelerometer & Temperature
MechanicalDiameter (OD)1 11/16”
Length (make-up)12.0”
Weight4.0 lb.
End ConnectorsGO Single Pin
MaterialTi-6Al-4V Titanium
PerformanceSensitivity/Range+/-2G.
Resolution0.01G.
EnvironmentalOperating Temperature175°C (350°F)
Survival Temperature204°C (400°F)
Max. Temperature Ramp Rate 5°F per minute
Pressure15,000 psi
Power RequirementsInput Voltage46-48 VDC, 50VDC Max.
Input Current20mA
Output SignalDigital Telemetry

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