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Spiral Sensor


Used to determine down-hole helical deformation (twist) of installed inclinometer casing.

Spiralling is typically of concern only in deep installations, however, should poor installation be suspected or installed spiral of interest, measurement of the installed groove azimuth can be carried out with this instrument.

Operation is similar to an inclinometer, using the same cable and readout instruments, however it is necessary to read only one groove set, and not take a 180 degree second reading set.

The data is then used to compensate any twist within the calculations or in-putted into Inclinalysis software.