FIELD: mining.
SUBSTANCE: method includes obtaining data on weight of a drilling rig, withdrawal of the first drillpipe stand from a well, obtaining data on the load during withdrawal, calculation of the average load on the basis of the data on the load, calculation of the hook load by calculation of the difference between the average load and the drilling rig weight, calculation of the upper limit of the load based on the hook load and setting the upper limit of the load for a subsequent drillpipe stand withdrawn from the well.
EFFECT: prevention of the drilling rig damage and accidents in the area of the wellhead.
28 cl, 15 dwg
