WATCHDOG
INSTRUMENTATION UTILIZED IN THE DRILLING OF OIL AND GAS WELLS, NAMELY, GAS DETECTORS, TRIP GUARDS, FLOW SENSORS AND TRANSMITTING TRIP MONITORS, LOSS/GAIN INDICATORS, PUMP STROKE COUNTERS, PIT VOLUME TOTALIZERS, SURFACE MUD MONITORS, ELECTRONIC DRILLING RECORDERS, DRILLING CHOKES, CHOKE POSITION INDICATORS, PUMP PRESSURE MONITORS AND MUD LOGGER PERSONAL COMPUTER INTERFACES
Abandoned · May 23, 2001 · 78065203 ·