WORD BANKACCUMULATOR ANNULAR ATMOSPHERIC BARRIER BLIND BLINDSHEAR BRIDGING BYPASS CHOKE CLOSINGRATIO DEGASSER DIVERTER DRILLER ENVELOPE FIXED FLOAT FOSV HARD HYDROSTATIC IBOP INDEPENDENT MANAGEMENT MATERIAL MECHANICAL MGS MUDLEG NEUTRAL OPERATIONAL PHYSICAL PIT PRESSURE PRESSURIZED SHEAR SOFT SOLUBLE STRIPPING TEMPERATURE TRIP VARIABLE VISCOSITY |