FIELD: oil and gas production.
SUBSTANCE: group of inventions relates to oil and gas industry, particularly to field of control of drilling operations. System includes at least one slush pump for delivery of mud from tank for its storage to drilling equipment, pumping main, connected to ability of flowing of liquid with mud and drilling equipment, blowing line, connected to ability of flowing of liquid with drilling equipment and providing for return of mud into tank for mud storage and modulator for mud, connected to ability of liquid flowing at least with one element from group, consisting of pumping main and blowing line.
EFFECT: there is provided automation and effectiveness increase of control of drilling processes.
43 cl, 16 dwg
