FIELD: mining.
SUBSTANCE: method consists in movement of measuring well logging sonde along controlled section of casing string and recording of its readings at various depths of casing string by which values corrosion state of casing string is controlled. Thickness gage is used as measuring well logging sonde moved along controlled section. At that readings of thickness gage at various depths of casing string are recorded at various moments of time during progress of corrosion state of casing string with subsequent comparison of values obtained at various moments of time.
EFFECT: control of corrosion state of casing strings and tubing string of well by direct investigation method.
10 cl, 3 dwg
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