FIELD: oil and gas industry.
SUBSTANCE: invention relates to the oil and gas industry, more specifically to the method for controlling the landing depth of the drill column. Proposed method comprises determining the difference in the measured elevation values between the first sensor position and the second sensor position based on measurement data made using the ground elevation measuring device, determining the difference in the calibration values of the elevation marks between the first and second positions, which are indicated on the basis of measurement data made by the sensor using the markers, which are placed at the predetermined elevations, and calibrating the ground elevation measurement device based at least in part on the relationship between the difference in the measured elevation values and the difference in the calibration values of the elevation marks.
EFFECT: technical result is to increase the efficiency of the method for controlling the depth of the landing depth of the drill column.
22 cl, 16 dwg
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