FIELD: oil-and-gas industry.
SUBSTANCE: invention relates to oil-and-gas industry and can be used to center logging tool (well log sonde) in wellbore or to arranged logging tool in preset position relative to perimetric (peripheral) wellbore surface. It can also be used to gather useful data on wellbore diametre and configuration. Various versions are suitable for centering wellbore tool, arranging it in off center position or otherwise. Proposed invention covers the methods intended for measuring wellbore diametre and configuration with the help of positioning device.
EFFECT: expanded performances.
20 dwg, 68 cl
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