VISULOGGER

WELL DRILLING DATA DEVICES USED FOR PROVIDING COMPUTER READ-OUT INFORMATION INDICATIVE OF VARIOUS PARAMETERS OF NECESSITY AND OF INTEREST IN THE COURSE OF DRILLING OF OIL AND GAS WELLS, INCLUDING TIME, DEPTH, RATE OF PENETRATION, HOOK LOAD, BIT WEIGHT, PUMP PRESSURE, PUMP STROKES, ROTARY RPM, ROTARY TORQUE, MUD VOLUME, MUD VOLUME DEVIATION, FLOW LINE RATE, GAS PRESENCE AND OTHER PARAMETERS