IMPROVING THE DETERMINATION ACCURACY OF THE BOREHOLE GEOMETRY BY MULTISENSOR PROFILERS
The features of the mechanical and acoustic caliper data, the main approaches to their preprocessing in the «Sonata» program are described. A method has been created for correcting measurement results for eccentricity of the device. Determining the position of the center of the device is carried out by minimizing the functional using the Lagrange multipliers method. The methods of noise reduction in the acoustic caliper data are considered. For the program «Sonata» developed a method of noise suppression, based on the method of principal components.